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The FOLOMOV Key Charger is a magnetic charger with an USB output feature allowing you to charge 18650/20700/21700 Li-ion batteries and power USB devices. It is capable of charging and discharging with up to 2A of current, convenient and quick to use. It’s ultra light weight and small size make it ideal to be used as mobile power source.

Magnetic USB Li-ion Battery Charger

Magnetic charger for Li-ion batteries, powered through USB interface, compatible with 18650/20700/21700 Li-ion battery.

Power Bank Function

It has the function of discharging, capable of charging your mobile phone or other USB devices by transmitting the power of Li-ion battery.

2A Fast Charging & Discharging

Charging and discharging with 2A input and 2A output, convenient and quick to use.

Power Indicator

Solid green light shows remaining battery power; blinking green light means battery is being charged.

Powerful Magnetic Force

Convenient and quick to absorb Li-ion batteries.

Safe and Reliable

With overcurrent charging and discharging protection, reverse polarity protection, ensure charging safety, and the security of the charger and electronic devices.

Compact and Portable

Ultra light in weight and small in size, portable to carry with you. Idea to be used as mobile power source.


Compatible Battery 18650/20700/21700
Input Type DC 5V
Output 5V 2A
Package Contents 1 x FOLOMOV Magnetic Battery Charger (charger only, battery not included)

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