* Suitable for 21700 battery, 18650.
* Parallel balance charge-discharge technology which supports PD21700 to use not only a charger, but also a power bank.
* Smart battery charger with LED indication to clearly show the charging status and automatically detect the involtage of the battery
* High power conversion efficiency up to 90%
* Capable of charging 2 batteries simultaneously and controlling each slot independently
* TC/CCICV three-stage charging to maximize the battery lifepan
* Precisely cut off at 4.2V when the battery is fully charged.
* Reverse-polarity/ short circuit protection/overcharge protection/overheat protection
* Made bt flame restandant material
* USB Inport: 5V/2A
* DC Output: DC4.2V /1 A*2 OR 2A*1
* Compatible battery: 21700/18650
* Dimmension: 110(L)*48.4(W)*28.9(H)mm
* Weight: 76.9g(net weight)/146(gross weight)
* Inside the box: 1*charger