Compatibility: The 8.4V USB dual head charger for 7.4V 2200, 3000, 3500mAh rechargeable lithium polymer batteries.
Compatible Products: Compatible with Savior heat, Snow Deer, Sun Will, Ororo heated gloves, heated liners, vests,heated socks, heated hats, Heated knee pads, hand scarves, heated jackets and so on.
Input: 100 - 240V, 50/60Hz, 0.35A. Charger Output: 8.4V, 2.0A, USB Output: 5.0V, 2.0A.
Charging steps: Plug in our charger, connect the battery. When it is fully charged, the indicator light changes from red to green.
Equipment Characteristics: The charging can be accomplished via power bank, tablet computer or other USB-enabled devices, and then you can continue to use it in the cold outdoors.

In the cold outdoors, with our USB charger, you no longer fear the cold and can enjoy the outdoor fun time, wrapped in warmth.

The USB dual-head design charger can be used to heat hats, socks, jackets, etc. to provide warmth for your whole body.

It is easy to carry and the USB can be charged through multiple devices.

It is able to charge through power banks, tablets and other USB-enabled devices, so you can continue to enjoy warmth even in the cold outdoors.

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