● Microcomputer IC controls charging process: CC / CV / Trickle charging， to make sure the battery is fully charged and will not be over charged. Each slot controls independently， mixed charging mode
● Applicable batteries: 18650 li-ion battery
● Stainless steel rail is more durable and smooth
● Perfect household helper

Output:
DC 4.2V 1A x 2
Input:
AC 100 - 240V 50 / 60Hz 200mA ( Max. )
DC 12 - 24V 1A ( Max. )