Charge Anywhere: Connect to any USB port (cellphone charger, power bank, computer USB port) to charge the battery
Charge 3.7 V Li-ion battery, such as 18650 / 14500 / 26650 / 16340 batteries
Safe design: Connect to any +5V USB port for charging, very safe voltage
LED indicator: Charging-RED; Fully Charged-GREEN
Contains:
1x Battery Charger
1x USB Cable