Charge two batteries simultaneously and independently. Intelligently identify input power and automatically adjust suitable charge current. Applying to USB interface for power supplying makes charging flexible and convenient. LED indicators do real-time display of battery state. Material: plastic. Voltage: 4.5-5.1V DC 1A
Output:4.2V DC 1A. Power supply mode: Regular USB power supply. Compatible battery model: 10440 / 14500 / 14650 / 16340 / 17500 / 17670 / 18350 / 18500 / 18650 / 18700 / 22650 / 25500 / 26650.