Specification: Features:_x000D_1. USB DC 5V input, single slot independent charging and management system._x000D_2. Two charging current options (500mA /1000mA)_x000D_3. LED indicators shows the charging status (25%, 50%, 75%, 100%)._x000D_4. Over-charge, over-discharge, short circuit and reverse battery detection protection, intelligent identification of bad batteries._x000D_5. Identify Li-ion and Ni-MH battery automatically and manually select LiFePO4 battery (Automatic identify 1.2V / 3.7V battery, manual select 3V / 3.85V battery)._x000D_6. Compatible battery model: 18650, 18490, 18350, 17670, 17500, 16340 (RCR123), 14500, 10440._x000D__x000D_Specifications:_x000D_Input Power: DC 5V / 1A_x000D_Output Voltage: 4.2V1% / 5V_x000D_Output Current: 500mA / 1000mA_x000D_Constant Voltage Charging, Cut-off Current: