1) World wide voltage input
2) Constant voltage and current for charging
3) Not charge when the battery positive and negative is reverse
4) Charging for flat cylinder lithium batteries (26650 / 22650 / 18650 / 17670 / 18490 / 17500 / 17335 / 16340 / 14500 / 10440)
5) Repairing the low-voltage battery
6) Trickle charging function, to ensure that the battery is in saturated.
Specification:
1) Input: 100-240V AC 50 / 60Hz
2) Output: 4.2V DC
3) Input Power: 10W
4) Dimensions:139x96x36mm
5) Weight: 156g
6) US / EU / UK Optional