The Efest LUC S2 has two built-in independent charging channels with reverse polarity protection, short circuit protection, over-current protection and Zero voltage activation function, It can automatically monitor battery power and give an alarming notice. LUC S2 charger is compatible with most 3.7V Li-ion or LiMn batteries like 10440, 14500, 14650, 18500, 17670, 18650, 18700, 26500, 26650 etc.It can charge 15270 or 14250 batteries with spacers.

Also, with a charged battery in channel 2, LUC S2 charger also can charge devices such as a mobile phone, iPad, MP3, Mp4, PSP etc. There is 1 USB socket of DC5V/0.5A and DC5V/1A

Input voltage: DC 12-24V.

Output voltage: 4.1 ±1%

0.5A CC current : >500mA ± 5%

1A CC current: 1000mA ± 5%

2A CC current: 2000mA ± 5%

Auto cut-off voltage: 4.23V ± 0.05V

1000mAh CC current: > 950mA

Cut-off Voltage: 4.3V ± 0.05V

Auto recharge voltage: 3.9 ± 0.15V

Compatible batteries: 10340, 10440, 14430, 14500, 16340, 16650, 18350, 18500, 18650, 26650, and many more.

Package Content: LCD multi-fuction charger, DC adapter, Manual,