Input Voltage: DC 5V
Output: DC 4.2V 500mA (Max)
Support 18650 battery
Intelligent anti-reverse protection
Automatically stop charging when fully charged
Independent working on each slot with LED indicator
20MM CR2032 Battery Button Cell Holder is surface and through-hole-mount battery holders are a smart choice for cost-sensitive, space-constrained applications involving computers, remote controls, and other compact electronics.