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Highlights
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Differences
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Onn 4,000 mAh Magsafe
Facts:
140 Specifications & 23 Highlights
Get the facts before you unbox. The Onn 4,000 mAh Magsafe power bank features 140 key specs & features, with general information, battery & capacity, charging input performance & power output performance topping the list.
Cycle Life Rating: 300–500 Cycles
Indicates the estimated number of full charge cycles the battery can complete before noticeable capacity degradation.
A fast snapshot of the Onn 4,000 mAh Magsafe, covering its standout specification and what you can expect right out of the box.
Onn 4,000 mAh Magsafe
Onn 4,000 mAh Magsafe is a portable magnetic power bank from Onn (a Walmart brand) designed primarily for the iPhone 12, 13, 14, 15, 16, and 17 models, offering convenient wireless charging by attaching it to the back of a MagSafe-compatible iPhone. It is an MFi-certified accessory known for its compact size, LED indicator, and magnetic mount, serving as a portable power source for on-the-go charging, although some users note that it may be necessary to remove certain phone cases for optimal use.
Specifications & Facts
140
Specs measured. Drama avoided.
Think you know gadgets? Check out the full scoop on the Onn 4,000 mAh Magsafe power bank: specs, votes, pros, cons, and how it measures up to competing power banks.
General Information
10
Onn 4,000 mAh Magsafe
Operating Temperature Minimum
What is the minimum operating temperature?
32
°F
0Votes
31.56
°F (Average)
Onn 4,000 mAh Magsafe
Minimum operating temperature is 32 °F (around 0 °C), supporting device use in cool environments.
Defines the lowest ambient temperature the power bank can operate safely.
When it comes to Operating Temperature Minimum,
Onn 4,000 mAh Magsafe ◉ is
worse than
Power Bank in this range ◉
, delivering
equal
0.4 °F
measurement.
Don’t keep it to yourself — be the first to react and review the
Operating Temperature Minimum on Onn 4,000 mAh Magsafe
◉ and help others decide!
Onn 4,000 mAh Magsafe
Operating Temperature Maximum
What is the maximum operating temperature?
95
°F
0Votes
107.11
°F (Average)
Onn 4,000 mAh Magsafe
Maximum operating temperature is 95 °F (approximately 35 °C), the upper limit for reliable performance.
Defines the highest ambient temperature the power bank can operate safely.
When it comes to Operating Temperature Maximum,
Onn 4,000 mAh Magsafe ◉ is
worse than
Power Bank in this range ◉
, delivering
equal
12.1 °F
measurement.
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Operating Temperature Maximum on Onn 4,000 mAh Magsafe
◉ and help others decide!
Onn 4,000 mAh Magsafe
Product Type
What is the product type?
57
Onn 4,000 mAh Magsafe
0
Votes
Power Bank
19
Power Banks in this range
Power Bank
Identifies the functional category of the portable charging device.
When it comes to Product Type,
Onn 4,000 mAh Magsafe ◉ is
better than
Power Bank in this range ◉
, delivering
higher
38 score
measurement.
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Product Type on Onn 4,000 mAh Magsafe
◉ and help others decide!
Onn 4,000 mAh Magsafe
Intended Use Case
What is the intended use case?
62
Onn 4,000 mAh Magsafe
0
Votes
Smartphone Charging, Travel Backup, Emergency Power
19
Power Banks in this range
Smartphone Charging, Tablet Charging, Travel Backup, Emergency Power
Describes the primary usage scenarios the power bank is designed for.
When it comes to Intended Use Case,
Onn 4,000 mAh Magsafe ◉ is
better than
Power Bank in this range ◉
, delivering
higher
43 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Intended Use Case on Onn 4,000 mAh Magsafe
◉ and help others decide!
Onn 4,000 mAh Magsafe
Release Year
What is the release year?
77
Onn 4,000 mAh Magsafe
0
Votes
2022
27
Power Banks in this range
2024
Indicates the year the product was first released to market.
When it comes to Release Year,
Onn 4,000 mAh Magsafe ◉ is
better than
Power Bank in this range ◉
, delivering
higher
50 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Release Year on Onn 4,000 mAh Magsafe
◉ and help others decide!
Onn 4,000 mAh Magsafe
Country of Origin
Where is this product made?
67
Onn 4,000 mAh Magsafe
0
Votes
China
21
Power Banks in this range
China
States the country where the product is manufactured or assembled.
When it comes to Country of Origin,
Onn 4,000 mAh Magsafe ◉ is
better than
Power Bank in this range ◉
, delivering
higher
46 score
measurement.
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Country of Origin on Onn 4,000 mAh Magsafe
◉ and help others decide!
Onn 4,000 mAh Magsafe
Color Options
What color options are available?
73
Onn 4,000 mAh Magsafe
0
Votes
Black,White
23
Power Banks in this range
Black
Lists the available exterior color choices.
When it comes to Color Options,
Onn 4,000 mAh Magsafe ◉ is
better than
Power Bank in this range ◉
, delivering
higher
50 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Color Options on Onn 4,000 mAh Magsafe
◉ and help others decide!
Onn 4,000 mAh Magsafe
Finish Type
What type of finish does it have?
57
Onn 4,000 mAh Magsafe
0
Votes
Matte
19
Power Banks in this range
Matte
Describes the surface finish of the exterior shell.
When it comes to Finish Type,
Onn 4,000 mAh Magsafe ◉ is
better than
Power Bank in this range ◉
, delivering
higher
38 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Finish Type on Onn 4,000 mAh Magsafe
◉ and help others decide!
Onn 4,000 mAh Magsafe
Rugged Design
Does it have a rugged design?
No
0Votes
Onn 4,000 mAh Magsafe
Yes
Power Banks in this range
Indicates whether the power bank is built for enhanced durability.
When it comes to Rugged Design,
Onn 4,000 mAh Magsafe ◉ is
worse than
Power Bank in this range ◉
.
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Rugged Design on Onn 4,000 mAh Magsafe
◉ and help others decide!
Onn 4,000 mAh Magsafe
Storage Temperature Range
What is the storage temperature range?
52
Onn 4,000 mAh Magsafe
0
Votes
14–113°F
19
Power Banks in this range
32–113°F
Specifies safe temperature conditions for storing the power bank when not in use.
When it comes to Storage Temperature Range,
Onn 4,000 mAh Magsafe ◉ is
better than
Power Bank in this range ◉
, delivering
higher
33 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Storage Temperature Range on Onn 4,000 mAh Magsafe
◉ and help others decide!
Battery & Capacity
14
Onn 4,000 mAh Magsafe
Battery Capacity
What is the battery capacity?
4,000
mAh
0Votes
10,399.87
mAh (Average)
Onn 4,000 mAh Magsafe
This power bank has a battery capacity of 4000 mAh, which is adequate for providing multiple charges to smartphones and smaller devices during travel or emergency backup.
States the total energy storage capacity of the battery cells.
When it comes to Battery Capacity,
Onn 4,000 mAh Magsafe ◉ is
worse than
Power Bank in this range ◉
, delivering
equal
6,399.9 mAh
measurement.
Don’t keep it to yourself — be the first to react and review the
Battery Capacity on Onn 4,000 mAh Magsafe
◉ and help others decide!
Onn 4,000 mAh Magsafe
Energy Rating
What is the energy rating?
14.8
Watt
0Votes
53.23
Watt (Average)
Onn 4,000 mAh Magsafe
The energy rating is 14.8 Watts, indicative of the overall power capacity for charging.
Measures total energy stored expressed in watt-hours.
When it comes to Energy Rating,
Onn 4,000 mAh Magsafe ◉ is
worse than
Power Bank in this range ◉
, delivering
equal
38.4 Watt
measurement.
Don’t keep it to yourself — be the first to react and review the
Energy Rating on Onn 4,000 mAh Magsafe
◉ and help others decide!
Onn 4,000 mAh Magsafe
Battery Voltage
What is the battery voltage?
3.7
Volt
0Votes
3.96
Volt (Average)
Onn 4,000 mAh Magsafe
Battery voltage is 3.7 Volt, typical for lithium-polymer cells.
Indicates the nominal voltage of the battery pack.
When it comes to Battery Voltage,
Onn 4,000 mAh Magsafe ◉ is
worse than
Power Bank in this range ◉
, delivering
equal
0.3 Volt
measurement.
Don’t keep it to yourself — be the first to react and review the
Battery Voltage on Onn 4,000 mAh Magsafe
◉ and help others decide!
Onn 4,000 mAh Magsafe
Cycle Life Rating
What is the cycle life rating?
47
Onn 4,000 mAh Magsafe
0
Votes
300–500 Cycles
17
Power Banks in this range
300–500 Cycles
Onn 4,000 mAh Magsafe
This power bank has a cycle life rating between 300 and 500 cycles, indicating the number of full charge-discharge cycles the battery can undergo before its capacity significantly degrades.
Indicates the estimated number of full charge cycles the battery can complete before noticeable capacity degradation.
When it comes to Cycle Life Rating,
Onn 4,000 mAh Magsafe ◉ is
better than
Power Bank in this range ◉
, delivering
higher
30 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Cycle Life Rating on Onn 4,000 mAh Magsafe
◉ and help others decide!
Onn 4,000 mAh Magsafe
Self-Discharge Rate
What is the self-discharge rate?
3
%
0Votes
9.96
% (Average)
Onn 4,000 mAh Magsafe
The self-discharge rate is 3%, reflecting how much charge the battery loses when idle over time.
Indicates how much charge is lost when not in use.
When it comes to Self-Discharge Rate,
Onn 4,000 mAh Magsafe ◉ is
better than
Power Bank in this range ◉
, delivering
higher
7.0 %
measurement.
Don’t keep it to yourself — be the first to react and review the
Self-Discharge Rate on Onn 4,000 mAh Magsafe
◉ and help others decide!
Onn 4,000 mAh Magsafe
Standby Power Loss
How much power is lost in standby?
0.2
Watt
0Votes
1.53
Watt (Average)
Onn 4,000 mAh Magsafe
The standby power loss is 0.2 Watt, which is low and beneficial for energy conservation during periods of inactivity.
Measures power lost while the unit is idle.
When it comes to Standby Power Loss,
Onn 4,000 mAh Magsafe ◉ is
better than
Power Bank in this range ◉
, delivering
higher
1.3 Watt
measurement.
Don’t keep it to yourself — be the first to react and review the
Standby Power Loss on Onn 4,000 mAh Magsafe
◉ and help others decide!
Onn 4,000 mAh Magsafe
Rated Capacity
What is the rated capacity?
4,000
mAh
0Votes
9,052.91
mAh (Average)
Indicates the usable output capacity after conversion losses.
When it comes to Rated Capacity,
Onn 4,000 mAh Magsafe ◉ is
worse than
Power Bank in this range ◉
, delivering
equal
5,052.9 mAh
measurement.
Don’t keep it to yourself — be the first to react and review the
Rated Capacity on Onn 4,000 mAh Magsafe
◉ and help others decide!
Onn 4,000 mAh Magsafe
Battery Protection System
Does it include a battery protection system?
Yes
0Votes
Onn 4,000 mAh Magsafe
Yes
Power Banks in this range
Confirms presence of integrated battery protection circuitry.
When it comes to Battery Protection System,
Onn 4,000 mAh Magsafe ◉ is
same as
Power Bank in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Battery Protection System on Onn 4,000 mAh Magsafe
◉ and help others decide!
Onn 4,000 mAh Magsafe
Battery Cell Type
What type of battery cell does it use?
67
Onn 4,000 mAh Magsafe
0
Votes
Pouch
22
Power Banks in this range
Pouch
Indicates the physical form factor of the battery cells used.
When it comes to Battery Cell Type,
Onn 4,000 mAh Magsafe ◉ is
better than
Power Bank in this range ◉
, delivering
higher
45 score
measurement.
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Battery Cell Type on Onn 4,000 mAh Magsafe
◉ and help others decide!
Onn 4,000 mAh Magsafe
Battery Chemistry
What battery chemistry is used?
47
Onn 4,000 mAh Magsafe
0
Votes
Lithium-Polymer
15
Power Banks in this range
Lithium-Polymer
Defines the chemical composition of the battery cells.
When it comes to Battery Chemistry,
Onn 4,000 mAh Magsafe ◉ is
better than
Power Bank in this range ◉
, delivering
higher
32 score
measurement.
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Battery Chemistry on Onn 4,000 mAh Magsafe
◉ and help others decide!
Onn 4,000 mAh Magsafe
Cell Count
How many battery cells are used?
7
Onn 4,000 mAh Magsafe
0
Votes
1
6
Power Banks in this range
1
Shows the number of battery cells inside the power bank.
When it comes to Cell Count,
Onn 4,000 mAh Magsafe ◉ is
better than
Power Bank in this range ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Cell Count on Onn 4,000 mAh Magsafe
◉ and help others decide!
Onn 4,000 mAh Magsafe
Battery Configuration
What is the battery configuration?
17
Onn 4,000 mAh Magsafe
0
Votes
Single Cell
13
Power Banks in this range
Single Cell
Describes how battery cells are electrically arranged to achieve desired voltage and capacity.
When it comes to Battery Configuration,
Onn 4,000 mAh Magsafe ◉ is
better than
Power Bank in this range ◉
, delivering
higher
4 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Battery Configuration on Onn 4,000 mAh Magsafe
◉ and help others decide!
Onn 4,000 mAh Magsafe
Overcharge Protection
Is overcharge protection supported?
Yes
0Votes
Onn 4,000 mAh Magsafe
Yes
Power Banks in this range
Prevents damage from charging beyond safe limits.
When it comes to Overcharge Protection,
Onn 4,000 mAh Magsafe ◉ is
same as
Power Bank in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Overcharge Protection on Onn 4,000 mAh Magsafe
◉ and help others decide!
Onn 4,000 mAh Magsafe
Overdischarge Protection
Is overdischarge protection supported?
Yes
0Votes
Onn 4,000 mAh Magsafe
Yes
Power Banks in this range
Prevents battery depletion below safe voltage levels.
When it comes to Overdischarge Protection,
Onn 4,000 mAh Magsafe ◉ is
same as
Power Bank in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Overdischarge Protection on Onn 4,000 mAh Magsafe
◉ and help others decide!
Charging Input Performance
10
Onn 4,000 mAh Magsafe
Maximum Input Power
What is the maximum input power?
10
Watt
0Votes
18.37
Watt (Average)
Onn 4,000 mAh Magsafe
Maximum input power is 10 Watts, suitable for efficient charging without excessive heat generation.
Shows the maximum power the power bank can accept while charging.
When it comes to Maximum Input Power,
Onn 4,000 mAh Magsafe ◉ is
worse than
Power Bank in this range ◉
, delivering
equal
8.4 Watt
measurement.
Don’t keep it to yourself — be the first to react and review the
Maximum Input Power on Onn 4,000 mAh Magsafe
◉ and help others decide!
Onn 4,000 mAh Magsafe
Input Current Rating
What is the input current rating?
2
Amp
0Votes
2.37
Amp (Average)
Onn 4,000 mAh Magsafe
Input current is rated at 2 Amp, supporting relatively fast input charging.
Defines the maximum current the power bank can draw during charging.
When it comes to Input Current Rating,
Onn 4,000 mAh Magsafe ◉ is
worse than
Power Bank in this range ◉
, delivering
equal
0.4 Amp
measurement.
Don’t keep it to yourself — be the first to react and review the
Input Current Rating on Onn 4,000 mAh Magsafe
◉ and help others decide!
Onn 4,000 mAh Magsafe
Input Port Type
What input port types are supported?
97
Onn 4,000 mAh Magsafe
0
Votes
USB-C
25
Power Banks in this range
USB-C
Identifies the physical port types used to recharge the power bank.
When it comes to Input Port Type,
Onn 4,000 mAh Magsafe ◉ is
better than
Power Bank in this range ◉
, delivering
higher
72 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Input Port Type on Onn 4,000 mAh Magsafe
◉ and help others decide!
Onn 4,000 mAh Magsafe
Pass-Through Charging
Does it support pass-through charging?
Yes
0Votes
Onn 4,000 mAh Magsafe
Yes
Power Banks in this range
Allows the power bank to charge devices while being charged itself.
When it comes to Pass-Through Charging,
Onn 4,000 mAh Magsafe ◉ is
same as
Power Bank in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Pass-Through Charging on Onn 4,000 mAh Magsafe
◉ and help others decide!
Onn 4,000 mAh Magsafe
Input Port Count
How many input ports does it have?
7
Onn 4,000 mAh Magsafe
0
Votes
1
4
Power Banks in this range
1
Indicates how many input ports are available for charging.
When it comes to Input Port Count,
Onn 4,000 mAh Magsafe ◉ is
better than
Power Bank in this range ◉
, delivering
higher
3 score
measurement.
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Input Port Count on Onn 4,000 mAh Magsafe
◉ and help others decide!
Onn 4,000 mAh Magsafe
Input Voltage Range
What input voltage range is supported?
15
Onn 4,000 mAh Magsafe
0
Votes
5V
14
Power Banks in this range
5V
Specifies the supported voltage range for charging input.
When it comes to Input Voltage Range,
Onn 4,000 mAh Magsafe ◉ is
better than
Power Bank in this range ◉
, delivering
higher
1 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Input Voltage Range on Onn 4,000 mAh Magsafe
◉ and help others decide!
Onn 4,000 mAh Magsafe
Fast Input Charging
Does it support fast input charging?
No
0Votes
Onn 4,000 mAh Magsafe
Yes
Power Banks in this range
Indicates whether fast-charging input standards are supported.
When it comes to Fast Input Charging,
Onn 4,000 mAh Magsafe ◉ is
worse than
Power Bank in this range ◉
.
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Fast Input Charging on Onn 4,000 mAh Magsafe
◉ and help others decide!
Onn 4,000 mAh Magsafe
USB-C Input
Is USB-C input supported?
Yes
0Votes
Onn 4,000 mAh Magsafe
Yes
Power Banks in this range
Confirms whether USB-C can be used as a charging input.
When it comes to USB-C Input,
Onn 4,000 mAh Magsafe ◉ is
same as
Power Bank in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
USB-C Input on Onn 4,000 mAh Magsafe
◉ and help others decide!
Onn 4,000 mAh Magsafe
Charging Efficiency
What is the charging efficiency?
70
%
0Votes
85.36
% (Average)
Measures how efficiently input power is converted to stored energy.
When it comes to Charging Efficiency,
Onn 4,000 mAh Magsafe ◉ is
worse than
Power Bank in this range ◉
, delivering
equal
15.4 %
measurement.
Don’t keep it to yourself — be the first to react and review the
Charging Efficiency on Onn 4,000 mAh Magsafe
◉ and help others decide!
Onn 4,000 mAh Magsafe
Charging Time
How long does it take to fully recharge?
3
hour
0Votes
3.69
hour (Average)
Estimates total time required to fully recharge the power bank.
When it comes to Charging Time,
Onn 4,000 mAh Magsafe ◉ is
better than
Power Bank in this range ◉
, delivering
higher
0.7 hour
measurement.
Don’t keep it to yourself — be the first to react and review the
Charging Time on Onn 4,000 mAh Magsafe
◉ and help others decide!
Power Output Performance
14
Onn 4,000 mAh Magsafe
Maximum Output Power
What is the maximum output power?
15
Watt
0Votes
19.76
Watt (Average)
Onn 4,000 mAh Magsafe
The maximum output power is 15 Watts, which balances fast charging speeds with safe thermal management.
Shows the highest power level supported by a single output.
When it comes to Maximum Output Power,
Onn 4,000 mAh Magsafe ◉ is
worse than
Power Bank in this range ◉
, delivering
equal
4.8 Watt
measurement.
Don’t keep it to yourself — be the first to react and review the
Maximum Output Power on Onn 4,000 mAh Magsafe
◉ and help others decide!
Onn 4,000 mAh Magsafe
Total Output Power
What is the total output power?
15
Watt
0Votes
20.11
Watt (Average)
Onn 4,000 mAh Magsafe
Total output power is 15 Watts, suitable for charging smartphones and similar devices efficiently.
Measures the combined power available when using multiple ports.
When it comes to Total Output Power,
Onn 4,000 mAh Magsafe ◉ is
worse than
Power Bank in this range ◉
, delivering
equal
5.1 Watt
measurement.
Don’t keep it to yourself — be the first to react and review the
Total Output Power on Onn 4,000 mAh Magsafe
◉ and help others decide!
Onn 4,000 mAh Magsafe
Output Port Type
What output port types are available?
87
Onn 4,000 mAh Magsafe
0
Votes
USB-C
23
Power Banks in this range
USB-A, USB-C
Identifies the physical ports used to deliver power to devices.
When it comes to Output Port Type,
Onn 4,000 mAh Magsafe ◉ is
better than
Power Bank in this range ◉
, delivering
higher
64 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Output Port Type on Onn 4,000 mAh Magsafe
◉ and help others decide!
Onn 4,000 mAh Magsafe
Output Port Count
How many output ports does it have?
0
Onn 4,000 mAh Magsafe
0
Votes
1
0
Power Banks in this range
2
Indicates how many devices can be physically connected at once.
When it comes to Output Port Count,
Onn 4,000 mAh Magsafe ◉ is
same as
Power Bank in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Output Port Count on Onn 4,000 mAh Magsafe
◉ and help others decide!
Onn 4,000 mAh Magsafe
Output Voltage Range
What output voltage range is supported?
0
Onn 4,000 mAh Magsafe
0
Votes
5V
0
Power Banks in this range
5V
Defines the voltage levels supported for device charging.
When it comes to Output Voltage Range,
Onn 4,000 mAh Magsafe ◉ is
same as
Power Bank in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Output Voltage Range on Onn 4,000 mAh Magsafe
◉ and help others decide!
Onn 4,000 mAh Magsafe
Output Current Rating
What is the output current rating?
7.5
Watt
0Votes
10.75
Watt (Average)
Represents the power delivery capability under load conditions.
When it comes to Output Current Rating,
Onn 4,000 mAh Magsafe ◉ is
worse than
Power Bank in this range ◉
, delivering
equal
3.2 Watt
measurement.
Don’t keep it to yourself — be the first to react and review the
Output Current Rating on Onn 4,000 mAh Magsafe
◉ and help others decide!
Onn 4,000 mAh Magsafe
Fast Charging Technology
Which fast charging technologies are supported?
0
Onn 4,000 mAh Magsafe
0
Votes
Power Delivery
0
Power Banks in this range
Power Delivery
Lists supported fast-charging standards.
When it comes to Fast Charging Technology,
Onn 4,000 mAh Magsafe ◉ is
same as
Power Bank in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Fast Charging Technology on Onn 4,000 mAh Magsafe
◉ and help others decide!
Onn 4,000 mAh Magsafe
Simultaneous Device Charging
Can it charge multiple devices simultaneously?
No
0Votes
Onn 4,000 mAh Magsafe
Yes
Power Banks in this range
Indicates whether multiple devices can be charged at once.
When it comes to Simultaneous Device Charging,
Onn 4,000 mAh Magsafe ◉ is
worse than
Power Bank in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Simultaneous Device Charging on Onn 4,000 mAh Magsafe
◉ and help others decide!
Onn 4,000 mAh Magsafe
Power Distribution Control
Does it manage power distribution automatically?
Yes
0Votes
Onn 4,000 mAh Magsafe
Yes
Power Banks in this range
Ensures balanced power delivery across connected devices.
When it comes to Power Distribution Control,
Onn 4,000 mAh Magsafe ◉ is
same as
Power Bank in this range ◉
.
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Onn 4,000 mAh Magsafe
Output Stability
How stable is the output power?
0
Onn 4,000 mAh Magsafe
0
Votes
Stable
0
Power Banks in this range
Stable
Describes how consistently the power bank maintains output power under varying load conditions.
When it comes to Output Stability,
Onn 4,000 mAh Magsafe ◉ is
same as
Power Bank in this range ◉
.
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Onn 4,000 mAh Magsafe
Voltage Regulation Accuracy
How accurate is the voltage regulation?
0
Onn 4,000 mAh Magsafe
0
Votes
Good
0
Power Banks in this range
Good
Indicates how precisely the power bank maintains target voltage levels during charging.
When it comes to Voltage Regulation Accuracy,
Onn 4,000 mAh Magsafe ◉ is
same as
Power Bank in this range ◉
.
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Onn 4,000 mAh Magsafe
Load Detection
Does it detect connected device load?
Yes
0Votes
Onn 4,000 mAh Magsafe
Yes
Power Banks in this range
Automatically detects connected devices to optimize power output.
When it comes to Load Detection,
Onn 4,000 mAh Magsafe ◉ is
same as
Power Bank in this range ◉
.
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Load Detection on Onn 4,000 mAh Magsafe
◉ and help others decide!
Onn 4,000 mAh Magsafe
Low-Power Device Mode
Is there a low-power device mode?
No
0Votes
Onn 4,000 mAh Magsafe
Yes
Power Banks in this range
Enables safe charging for small electronics like earbuds.
When it comes to Low-Power Device Mode,
Onn 4,000 mAh Magsafe ◉ is
worse than
Power Bank in this range ◉
.
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◉ and help others decide!
Onn 4,000 mAh Magsafe
Auto Shut-Off
Does it auto shut off when idle?
Yes
0Votes
Onn 4,000 mAh Magsafe
Yes
Power Banks in this range
Automatically stops output when no device is connected.
When it comes to Auto Shut-Off,
Onn 4,000 mAh Magsafe ◉ is
same as
Power Bank in this range ◉
.
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◉ and help others decide!
Charging Protocols & Compatibility
12
Onn 4,000 mAh Magsafe
USB Power Delivery
Does it support USB Power Delivery?
Yes
0Votes
Onn 4,000 mAh Magsafe
Yes
Power Banks in this range
Indicates support for the USB Power Delivery fast charging standard.
When it comes to USB Power Delivery,
Onn 4,000 mAh Magsafe ◉ is
same as
Power Bank in this range ◉
.
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◉ and help others decide!
Onn 4,000 mAh Magsafe
Quick Charge
Is Quick Charge supported?
No
0Votes
Onn 4,000 mAh Magsafe
Yes
Power Banks in this range
Confirms compatibility with Qualcomm Quick Charge standards.
When it comes to Quick Charge,
Onn 4,000 mAh Magsafe ◉ is
worse than
Power Bank in this range ◉
.
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Onn 4,000 mAh Magsafe
Programmable Power Supply
Does it support PPS charging?
No
0Votes
Onn 4,000 mAh Magsafe
Yes
Power Banks in this range
Indicates support for Programmable Power Supply charging.
When it comes to Programmable Power Supply,
Onn 4,000 mAh Magsafe ◉ is
worse than
Power Bank in this range ◉
.
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Onn 4,000 mAh Magsafe
Apple Charging Compatibility
Is it compatible with Apple devices?
Yes
0Votes
Onn 4,000 mAh Magsafe
Yes
Power Banks in this range
Ensures optimized charging for Apple devices.
When it comes to Apple Charging Compatibility,
Onn 4,000 mAh Magsafe ◉ is
same as
Power Bank in this range ◉
.
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Onn 4,000 mAh Magsafe
Samsung Charging Compatibility
Is it compatible with Samsung devices?
Yes
0Votes
Onn 4,000 mAh Magsafe
Yes
Power Banks in this range
Confirms optimized charging for Samsung devices.
When it comes to Samsung Charging Compatibility,
Onn 4,000 mAh Magsafe ◉ is
same as
Power Bank in this range ◉
.
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Onn 4,000 mAh Magsafe
Laptop Charging
Can it charge laptops?
No
0Votes
Onn 4,000 mAh Magsafe
Yes
Power Banks in this range
Indicates ability to charge laptops via USB-C output.
When it comes to Laptop Charging,
Onn 4,000 mAh Magsafe ◉ is
worse than
Power Bank in this range ◉
.
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◉ and help others decide!
Onn 4,000 mAh Magsafe
Tablet Charging
Can it charge tablets?
No
0Votes
Onn 4,000 mAh Magsafe
Yes
Power Banks in this range
Confirms reliable charging for tablets and large devices.
When it comes to Tablet Charging,
Onn 4,000 mAh Magsafe ◉ is
worse than
Power Bank in this range ◉
.
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◉ and help others decide!
Onn 4,000 mAh Magsafe
Wearable Device
Does it support wearable devices?
Yes
0Votes
Onn 4,000 mAh Magsafe
Yes
Power Banks in this range
Indicates compatibility with smartwatches and wearables.
When it comes to Wearable Device,
Onn 4,000 mAh Magsafe ◉ is
same as
Power Bank in this range ◉
.
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◉ and help others decide!
Onn 4,000 mAh Magsafe
Low-Current Device
Does it support low-current devices?
Yes
0Votes
Onn 4,000 mAh Magsafe
Yes
Power Banks in this range
Enables safe charging for devices requiring very low current.
When it comes to Low-Current Device,
Onn 4,000 mAh Magsafe ◉ is
same as
Power Bank in this range ◉
.
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◉ and help others decide!
When it comes to Multi-Protocol,
Onn 4,000 mAh Magsafe ◉ is
same as
Power Bank in this range ◉
.
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Onn 4,000 mAh Magsafe
Protocol Auto-Detection
Does it auto-detect charging protocols?
Yes
0Votes
Onn 4,000 mAh Magsafe
Yes
Power Banks in this range
Automatically selects the best protocol for each device.
When it comes to Protocol Auto-Detection,
Onn 4,000 mAh Magsafe ◉ is
same as
Power Bank in this range ◉
.
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◉ and help others decide!
Onn 4,000 mAh Magsafe
Backward Compatibility
Is it backward compatible?
Yes
0Votes
Onn 4,000 mAh Magsafe
Yes
Power Banks in this range
Ensures support for older devices and standards.
When it comes to Backward Compatibility,
Onn 4,000 mAh Magsafe ◉ is
same as
Power Bank in this range ◉
.
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Physical Dimensions & Weight
6
Onn 4,000 mAh Magsafe
Width
What is the width?
4.02
inch
0Votes
3.79
inch (Average)
Onn 4,000 mAh Magsafe
Width is 4.02 inch (about 10.21 cm), suitable for grip and bag storage.
Measures the horizontal size of the power bank.
When it comes to Width,
Onn 4,000 mAh Magsafe ◉ is
worse than
Power Bank in this range ◉
, delivering
equal
0.2 inch
measurement.
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Width on Onn 4,000 mAh Magsafe
◉ and help others decide!
Onn 4,000 mAh Magsafe
Depth
What is the depth?
1.26
inch
0Votes
2.01
inch (Average)
Onn 4,000 mAh Magsafe
Depth measures 1.26 inch (approximately 3.20 cm), contributing to a slim and pocket-friendly design.
Measures the front-to-back thickness of the power bank.
When it comes to Depth,
Onn 4,000 mAh Magsafe ◉ is
better than
Power Bank in this range ◉
, delivering
higher
0.7 inch
measurement.
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Depth on Onn 4,000 mAh Magsafe
◉ and help others decide!
Onn 4,000 mAh Magsafe
Height
What is the height?
5.91
inch
0Votes
3.14
inch (Average)
Onn 4,000 mAh Magsafe
Height is 5.91 inch (about 15.01 cm), making it relatively slim and easy to handle.
Measures the vertical dimension of the power bank.
When it comes to Height,
Onn 4,000 mAh Magsafe ◉ is
worse than
Power Bank in this range ◉
, delivering
equal
2.8 inch
measurement.
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Height on Onn 4,000 mAh Magsafe
◉ and help others decide!
Onn 4,000 mAh Magsafe
Weight
How much does it weigh?
0.41
lbs
0Votes
0.61
lbs (Average)
Onn 4,000 mAh Magsafe
Weight is 0.41 lbs (approximately 0.19 kg), light enough to carry comfortably during daily use.
Indicates how heavy the power bank is for portability.
When it comes to Weight,
Onn 4,000 mAh Magsafe ◉ is
better than
Power Bank in this range ◉
, delivering
higher
0.2 lbs
measurement.
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Weight on Onn 4,000 mAh Magsafe
◉ and help others decide!
Onn 4,000 mAh Magsafe
Pocket-Friendly Design
Is it pocket-friendly?
Yes
0Votes
Onn 4,000 mAh Magsafe
Yes
Power Banks in this range
Indicates whether the size is suitable for pocket carry.
When it comes to Pocket-Friendly Design,
Onn 4,000 mAh Magsafe ◉ is
same as
Power Bank in this range ◉
.
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Onn 4,000 mAh Magsafe
Travel-Friendly Size
Is it travel-friendly?
Yes
0Votes
Onn 4,000 mAh Magsafe
Yes
Power Banks in this range
Indicates suitability for travel and carry-on use.
When it comes to Travel-Friendly Size,
Onn 4,000 mAh Magsafe ◉ is
same as
Power Bank in this range ◉
.
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Build Materials & Durability
10
Onn 4,000 mAh Magsafe
Drop Resistance Height
What drop height can it survive?
2
ft
0Votes
2.75
ft (Average)
Onn 4,000 mAh Magsafe
Drop resistance height is 2 ft (approximately 61 cm), indicating the device can withstand everyday drops from pocket height.
Specifies the maximum drop height the device can withstand.
When it comes to Drop Resistance Height,
Onn 4,000 mAh Magsafe ◉ is
worse than
Power Bank in this range ◉
, delivering
equal
0.8 ft
measurement.
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Drop Resistance Height on Onn 4,000 mAh Magsafe
◉ and help others decide!
Onn 4,000 mAh Magsafe
Outer Shell Material
What is the outer shell material?
0
Onn 4,000 mAh Magsafe
0
Votes
Plastic
0
Power Banks in this range
Plastic
Specifies the primary material used for the exterior housing.
When it comes to Outer Shell Material,
Onn 4,000 mAh Magsafe ◉ is
same as
Power Bank in this range ◉
.
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Onn 4,000 mAh Magsafe
Internal Frame Material
What is the internal frame material?
0
Onn 4,000 mAh Magsafe
0
Votes
Plastic
0
Power Banks in this range
Plastic
Describes the internal structural material supporting the battery cells.
When it comes to Internal Frame Material,
Onn 4,000 mAh Magsafe ◉ is
same as
Power Bank in this range ◉
.
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Onn 4,000 mAh Magsafe
Impact Resistance Rating
What is the impact resistance rating?
0
Onn 4,000 mAh Magsafe
0
Votes
Low Impact Resistance
0
Power Banks in this range
Moderate Impact Resistance
Indicates the ability of the power bank to withstand shocks and physical impacts.
When it comes to Impact Resistance Rating,
Onn 4,000 mAh Magsafe ◉ is
same as
Power Bank in this range ◉
.
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Onn 4,000 mAh Magsafe
Heat Resistance
Is the power bank heat resistant?
Yes
0Votes
Onn 4,000 mAh Magsafe
Yes
Power Banks in this range
Indicates whether the power bank is designed to withstand elevated internal and external temperatures without performance degradation.
When it comes to Heat Resistance,
Onn 4,000 mAh Magsafe ◉ is
same as
Power Bank in this range ◉
.
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Onn 4,000 mAh Magsafe
Fire Retardant Materials
Does it use fire-retardant materials?
Yes
0Votes
Onn 4,000 mAh Magsafe
Yes
Power Banks in this range
Indicates use of flame-resistant materials in construction.
When it comes to Fire Retardant Materials,
Onn 4,000 mAh Magsafe ◉ is
same as
Power Bank in this range ◉
.
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Onn 4,000 mAh Magsafe
Scratch Resistance
Is the surface scratch resistant?
No
0Votes
Onn 4,000 mAh Magsafe
Yes
Power Banks in this range
Indicates whether the exterior surface is resistant to scratches from daily handling and transport.
When it comes to Scratch Resistance,
Onn 4,000 mAh Magsafe ◉ is
worse than
Power Bank in this range ◉
.
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Onn 4,000 mAh Magsafe
Structural Reinforcement
Is there structural reinforcement?
No
0Votes
Onn 4,000 mAh Magsafe
Yes
Power Banks in this range
Indicates added reinforcement for improved durability.
When it comes to Structural Reinforcement,
Onn 4,000 mAh Magsafe ◉ is
worse than
Power Bank in this range ◉
.
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Onn 4,000 mAh Magsafe
Button Durability Rating
How durable are the buttons?
0
Onn 4,000 mAh Magsafe
0
Votes
Good
0
Power Banks in this range
Good
Indicates the overall durability and longevity of the physical buttons based on build quality and expected usage.
When it comes to Button Durability Rating,
Onn 4,000 mAh Magsafe ◉ is
same as
Power Bank in this range ◉
.
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Onn 4,000 mAh Magsafe
Port Reinforcement
Are the ports reinforced?
No
0Votes
Onn 4,000 mAh Magsafe
Yes
Power Banks in this range
Indicates reinforced charging ports for extended lifespan.
When it comes to Port Reinforcement,
Onn 4,000 mAh Magsafe ◉ is
worse than
Power Bank in this range ◉
.
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Display, Indicators & Controls
10
Onn 4,000 mAh Magsafe
Indicator Accuracy
How accurate is the battery indicator?
85
%
0Votes
55.72
% (Average)
Onn 4,000 mAh Magsafe
Indicator accuracy is 85%, showing reliable battery level representation but not perfectly precise.
Measures how accurately the indicator reflects actual remaining power.
When it comes to Indicator Accuracy,
Onn 4,000 mAh Magsafe ◉ is
better than
Power Bank in this range ◉
, delivering
higher
29.3 %
measurement.
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Onn 4,000 mAh Magsafe
Display Type
What type of display does it have?
0
Onn 4,000 mAh Magsafe
0
Votes
LED Indicator
0
Power Banks in this range
LED Indicator
Specifies the type of display used to show power information.
When it comes to Display Type,
Onn 4,000 mAh Magsafe ◉ is
same as
Power Bank in this range ◉
.
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Onn 4,000 mAh Magsafe
Battery Level Indicator
Does it show battery level?
Yes
0Votes
Onn 4,000 mAh Magsafe
Yes
Power Banks in this range
Indicates whether the power bank shows remaining battery level.
When it comes to Battery Level Indicator,
Onn 4,000 mAh Magsafe ◉ is
same as
Power Bank in this range ◉
.
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Onn 4,000 mAh Magsafe
Remaining Time Display
Does it display remaining time?
No
0Votes
Onn 4,000 mAh Magsafe
Yes
Power Banks in this range
Shows estimated remaining usage or charging time.
When it comes to Remaining Time Display,
Onn 4,000 mAh Magsafe ◉ is
worse than
Power Bank in this range ◉
.
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Onn 4,000 mAh Magsafe
Button Type
What type of button does it use?
0
Onn 4,000 mAh Magsafe
0
Votes
Physical Button
0
Power Banks in this range
Physical Button
Describes the type of button used for control.
When it comes to Button Type,
Onn 4,000 mAh Magsafe ◉ is
same as
Power Bank in this range ◉
.
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Onn 4,000 mAh Magsafe
Button Count
How many buttons are there?
0
Onn 4,000 mAh Magsafe
0
Votes
1
0
Power Banks in this range
1
Indicates the number of physical control buttons.
When it comes to Button Count,
Onn 4,000 mAh Magsafe ◉ is
same as
Power Bank in this range ◉
.
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Onn 4,000 mAh Magsafe
Touch Control
Does it support touch controls?
No
0Votes
Onn 4,000 mAh Magsafe
Yes
Power Banks in this range
Indicates whether touch-based controls are supported.
When it comes to Touch Control,
Onn 4,000 mAh Magsafe ◉ is
worse than
Power Bank in this range ◉
.
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Onn 4,000 mAh Magsafe
Auto Wake Feature
Does it auto wake when a device is connected?
Yes
0Votes
Onn 4,000 mAh Magsafe
Yes
Power Banks in this range
Automatically activates when a device is connected.
When it comes to Auto Wake Feature,
Onn 4,000 mAh Magsafe ◉ is
same as
Power Bank in this range ◉
.
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Onn 4,000 mAh Magsafe
Auto Sleep Feature
Does it auto sleep when idle?
Yes
0Votes
Onn 4,000 mAh Magsafe
Yes
Power Banks in this range
Automatically enters sleep mode when idle to save power.
When it comes to Auto Sleep Feature,
Onn 4,000 mAh Magsafe ◉ is
same as
Power Bank in this range ◉
.
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Onn 4,000 mAh Magsafe
User Feedback Alerts
What user alerts are available?
0
Onn 4,000 mAh Magsafe
0
Votes
LED Light
0
Power Banks in this range
LED Light
Indicates how the device provides user feedback and alerts.
When it comes to User Feedback Alerts,
Onn 4,000 mAh Magsafe ◉ is
same as
Power Bank in this range ◉
.
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Safety & Protection Features
14
Onn 4,000 mAh Magsafe
Short Circuit Protection
Does it have short circuit protection?
Yes
0Votes
Onn 4,000 mAh Magsafe
Yes
Power Banks in this range
Prevents damage when a short circuit is detected.
When it comes to Short Circuit Protection,
Onn 4,000 mAh Magsafe ◉ is
same as
Power Bank in this range ◉
.
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Onn 4,000 mAh Magsafe
Overcurrent Protection
Is overcurrent protection supported?
Yes
0Votes
Onn 4,000 mAh Magsafe
Yes
Power Banks in this range
Protects devices from excessive current flow.
When it comes to Overcurrent Protection,
Onn 4,000 mAh Magsafe ◉ is
same as
Power Bank in this range ◉
.
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Overcurrent Protection on Onn 4,000 mAh Magsafe
◉ and help others decide!
Onn 4,000 mAh Magsafe
Overvoltage Protection
Does it include overvoltage protection?
Yes
0Votes
Onn 4,000 mAh Magsafe
Yes
Power Banks in this range
Prevents voltage levels from exceeding safe limits.
When it comes to Overvoltage Protection,
Onn 4,000 mAh Magsafe ◉ is
same as
Power Bank in this range ◉
.
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◉ and help others decide!
Onn 4,000 mAh Magsafe
Thermal Protection
Does it have thermal protection?
Yes
0Votes
Onn 4,000 mAh Magsafe
Yes
Power Banks in this range
Shuts down or limits power when overheating is detected.
When it comes to Thermal Protection,
Onn 4,000 mAh Magsafe ◉ is
same as
Power Bank in this range ◉
.
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Onn 4,000 mAh Magsafe
Temperature Monitoring
Is temperature monitored internally?
Yes
0Votes
Onn 4,000 mAh Magsafe
Yes
Power Banks in this range
Continuously monitors internal temperature.
When it comes to Temperature Monitoring,
Onn 4,000 mAh Magsafe ◉ is
same as
Power Bank in this range ◉
.
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Onn 4,000 mAh Magsafe
Foreign Object Detection
Does it detect foreign objects?
Yes
0Votes
Onn 4,000 mAh Magsafe
Yes
Power Banks in this range
Detects abnormal objects or unsafe connections.
When it comes to Foreign Object Detection,
Onn 4,000 mAh Magsafe ◉ is
same as
Power Bank in this range ◉
.
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◉ and help others decide!
Onn 4,000 mAh Magsafe
Surge Protection
Is surge protection included?
Yes
0Votes
Onn 4,000 mAh Magsafe
Yes
Power Banks in this range
Protects against sudden power surges.
When it comes to Surge Protection,
Onn 4,000 mAh Magsafe ◉ is
same as
Power Bank in this range ◉
.
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Surge Protection on Onn 4,000 mAh Magsafe
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Onn 4,000 mAh Magsafe
Electrostatic Discharge Protection
Does it protect against static discharge?
Yes
0Votes
Onn 4,000 mAh Magsafe
Yes
Power Banks in this range
Protects internal circuits from static electricity.
When it comes to Electrostatic Discharge Protection,
Onn 4,000 mAh Magsafe ◉ is
same as
Power Bank in this range ◉
.
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Electrostatic Discharge Protection on Onn 4,000 mAh Magsafe
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Onn 4,000 mAh Magsafe
Safety Certification
What safety certifications does it have?
0
Onn 4,000 mAh Magsafe
0
Votes
UL, CE, FCC, RoHS
0
Power Banks in this range
CE, FCC, RoHS
Lists recognized safety and compliance certifications.
When it comes to Safety Certification,
Onn 4,000 mAh Magsafe ◉ is
same as
Power Bank in this range ◉
.
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Safety Certification on Onn 4,000 mAh Magsafe
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Onn 4,000 mAh Magsafe
Airline Safety Compliance
Is it airline-safe?
Yes
0Votes
Onn 4,000 mAh Magsafe
Yes
Power Banks in this range
Indicates compliance with airline carry-on regulations.
When it comes to Airline Safety Compliance,
Onn 4,000 mAh Magsafe ◉ is
same as
Power Bank in this range ◉
.
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Airline Safety Compliance on Onn 4,000 mAh Magsafe
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Onn 4,000 mAh Magsafe
Fire Protection Circuit
Does it include fire protection circuitry?
Yes
0Votes
Onn 4,000 mAh Magsafe
Yes
Power Banks in this range
Includes circuitry designed to prevent fire hazards.
When it comes to Fire Protection Circuit,
Onn 4,000 mAh Magsafe ◉ is
same as
Power Bank in this range ◉
.
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Fire Protection Circuit on Onn 4,000 mAh Magsafe
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Onn 4,000 mAh Magsafe
Smart Power Management
Does it use smart power management?
Yes
0Votes
Onn 4,000 mAh Magsafe
Yes
Power Banks in this range
Dynamically manages power to maintain safe operation.
When it comes to Smart Power Management,
Onn 4,000 mAh Magsafe ◉ is
same as
Power Bank in this range ◉
.
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Smart Power Management on Onn 4,000 mAh Magsafe
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Onn 4,000 mAh Magsafe
Fail-Safe Shutdown
Does it have fail-safe shutdown?
Yes
0Votes
Onn 4,000 mAh Magsafe
Yes
Power Banks in this range
Automatically shuts down under critical fault conditions.
When it comes to Fail-Safe Shutdown,
Onn 4,000 mAh Magsafe ◉ is
same as
Power Bank in this range ◉
.
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Onn 4,000 mAh Magsafe
Safety Firmware
Is safety firmware implemented?
No
0Votes
Onn 4,000 mAh Magsafe
Yes
Power Banks in this range
Uses firmware logic to manage and enforce safety rules.
When it comes to Safety Firmware,
Onn 4,000 mAh Magsafe ◉ is
worse than
Power Bank in this range ◉
.
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Safety Firmware on Onn 4,000 mAh Magsafe
◉ and help others decide!
Thermal Management & Cooling
12
Onn 4,000 mAh Magsafe
Thermal Cutoff Threshold
At what temperature does it shut down?
140
°F
0Votes
143.69
°F (Average)
Onn 4,000 mAh Magsafe
The thermal cutoff threshold is set at 140 °F (approximately 60 °C), indicating the temperature at which the device will shut down to prevent overheating.
Indicates the temperature at which the system shuts down to prevent damage.
When it comes to Thermal Cutoff Threshold,
Onn 4,000 mAh Magsafe ◉ is
worse than
Power Bank in this range ◉
, delivering
equal
3.7 °F
measurement.
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Thermal Cutoff Threshold on Onn 4,000 mAh Magsafe
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Onn 4,000 mAh Magsafe
Thermal Management System
Does it have a thermal management system?
Yes
0Votes
Onn 4,000 mAh Magsafe
Yes
Power Banks in this range
Indicates whether the power bank includes an integrated thermal management system.
When it comes to Thermal Management System,
Onn 4,000 mAh Magsafe ◉ is
same as
Power Bank in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Thermal Management System on Onn 4,000 mAh Magsafe
◉ and help others decide!
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Moderator
