Features:
The 3 slots are charged independently, without interfering with each other.
Two-color charging indicator, red light when charging, green light when fully charged.
The charging cut-off voltage is 4.23V, and it will stop automatically when it is fully charged without overcharging.

Specifications:
Power Supply mode: USB DC5V
Input Voltage: DC 5V 1-2A
Output Voltage: DC 4.2V 1000mA
Product Size: 70*25*125mm/2.76*0.98*4.91"
Compatible with: 10440, 14500, 16340, 16650, 18350, 18500, 14650, 18650, 26650, 18700, 21700 and other lithium batteries

Package include:
1Pcs 3 Slot USB Charger (Batteries not included)