Features:

-  smart charger for any 3.7-14.8V Li-ion battery pack with capacity>500mAh.- Input:10-20Vdc from vehicle or solar power
- Output:4.2V,8.4V,12.6V,16.8Vdc;Auto-switching
- Charging current:500mA-1500mA
- automatically cut-off if battery is fully
- charged,Led indicate charging status:
-  Red---in charging; Green---fully charged
- voltage precision:+/-1.5%
- Safety protection
- MCU control charging process to avoid over charge
- Short circuit protection
- Battery reverse connection protection
- Dimension:99.5x57.0x33.0mm