Features:

* Capable of charging 4 batteries simultaneously and controlling each slot independently.
* Up to 2 A charging speed in the fourth slot.
* Compatible with li-ion and Ni-Mh/Ni-MH/Ni-Cd batteries
* Automatic selection between 3 charging modes(CC, CV, or dv/dt)
* Automatics termination upon charging completion
* Reverse polarity protection and short circuit protection.
* Over-discharged battery activation.
* Li-ion battery restoration.
* Excellent heart dissipation design.

Specification:

* USB Inport: 5V/2A
* DC Output: DC4.2V /1 A*2 or 2A*1 or 0.5A*4
* Compatible battery: 21700/26650/18650/16340/14500 li-Ion battery,etc
* Dimmension: 110(L)*48.4(W)*28.9(H)mm
* Weight: 107.2g(net weight)/146(gross weight)
* Inside the box: 1*charger
                           1*cable
                           1*manual