Input voltage: DC5V 1-2A conventional USB power supply Output voltage: DC4.2V 1000mA Product certification: CE ROSH Compatible batteries: 18650 10400 14500 16340 16650 14650 18350 18500 etc. rechargeable lithium batteries
Features: Multi-slot independent charging without interfering with each other, dual-color charging indicator light, red light when charging, green light when fully charged, automatic stop when fully charged, and no overcharging. Automatically power off when the battery is reversed to protect the battery.