Set of 2 batteries for heated socks S-PACK 700

Extra thin and powerful external battery! The ideal thin external battery for heating jackets Therm-ic. They will fit perfectly in the pocket designed for this purpose. The battery has a capacity of 5000 mAh.The extra thin external battery for heating jackets Therm-ic. Lightweight and thin it will fit perfectly in the specific pocket of the jackets. Connect any USB plug (jacket or your smartphone). Its capacity of 5000 mAh will bring up to 5h of heating to the jacket at level 1 and 2h30 at max level.Smart light: the 4 blue LEDs indicate the remaining capacity of the charger.Smart IC charging: detects your type of device to charge it as fast as possible, up to 2.1ACompatible with devices powered in 5V via a USB cord: iPhone, iPad, Smart phones and all products Therm-ic.