Compatible with Li-ion batteries:
18650 / 26650 / 22650 / 18490 / 18350 / 17670 / 14500 / 10440 / 16340 / RCR123A

Multi-function Battery Charger:
1. CC - CV charging mode to speed up charging rate
2. Automatically stops charging when fully charged
3. DV technology to activate 0-voltage batteries
4. Built-in overcharge / over discharge / short circuit / reserved polarity protection
5. Sliding-rail slot design for different size Li-ion batteries

Parameters:
Input (AC): 110 - 240V
Output (DC): 4.2V ± 1pct
AC / DC dual-mode input

Note: Battery not included.