Output voltage: DC 4.2V 600mA
Features: Compatible with multiple batteries
Charging indicator: Red light for charging, green light for full charge
Product size: 125*92*30mm
Not include battery
Compatible with the following lithium batteries

1 slot/2 slots 10440 14500 16340 16650
14650 18350 18500 18650

(Only the quad-slot version is suitable for 26650)

( 4 slots ) 10440 14500 16340 16650
14650 18350 18500 18650