The X4 charger is compatible with cylindrical lithium batteries ranging in size from 10440 to 26650(18650, 18350, 17500, 18500, 16340 etc.) as well as Ni-MH, Ni-Cd, and LiFeO4 batteries.

Input Voltage: 12V/2A

Output Voltage: 1.42v, 4.2±0.05v，3.65±0.05v

Output current: 500mA/1000mA * 4

Constant charging voltage, cutoff current: ＜100mA

External power source standby current: ＜15.0mA

Size：144mm*102mm*37mm(Length/width/height）

Weight: 500g