Description:
The S2 is a smart charger with a highly visible HD LCD display, its unique % readout accurately displays charging status. It is Compatible with Ni-mh/Ni-cd and 3.6/3.7V cylindrical rechargeable batteries of lengths ranging from 32mm to 70mm.

Specs:
Input voltage：AC 100~240V 50/60HZ or DC 12V
Output voltage：4.2V ±1% / 1.48V ±1%
Output current：2A X 1pc or 1A x 2pc
Ni-MH / Ni-Cd：AA, AAA, C

Features
1. Capable of charging 2 batteries simultaneously
2. SMART LCD DISPLAY -- The built-in blue backlight LCD panel can clearly displays charging parameters.It can show the charging process and Battery type, current, voltage, time, charging percentage, charging capacity, Auto alert indication can prevent damage to both batteries and charger.
3. Automatically identifies Li-ion, Ni-MH and Ni-Cd rechargeable batteries, including 26650/ 22650/18350/18650/17670/18490/17500/17335/16340(RCR123)/ 14500
4. Automatically detects battery status and selects the appropriate voltage and charge mode
5. Automatically stops charging when complete
6. Features reverse polarity protection

Precautions
 1. When charging different battery types simultaneously (for example, li-ion 26650 and AAA), always ensure solid contact is made between both sides of the battery and the charging slot’s metal contact points.
2. The S2 is restricted to charging Li-ion, Ni-MH and Ni-Cd rechargeable batteries only. Never use the S2 for other types of batteries as this could result in battery explosion, cracking or leaking, causing property damage and/or personal injury.
3. The S2 should only be used indoors or inside a motor vehicle. Do not expose it to water, high humidity, low or high ambient temperatures.
4. Do not disassemble or modify the charger.
5. Children under the age of 18 should be supervised by an adult when using the S4.
6. The S4's safe operating temperature is between 0℃--40℃.
7. Do not use or store the charger near open flames, direct sunlight, heating devices or other high-temperature environments.