Features 1、USB DC 5V input, single slot independent charging and management system 2、Two charging current options (500mA /1000mA) 3、LED indicators shows the charging status (25%, 50%, 75%, 100%) 4、Over-charge, over-discharge, short circuit and reverse battery detection protection, intelligent identification of bad batteries 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) Specification Features: 1. USB DC 5V input, single slot independent charging and management system. 3. LED indicators shows the charging status (25%, 50%, 75%, 100%). 4. Over-charge, over-discharge, short circuit and reverse battery detection protection, intelligent identification of bad batteries. 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). 6. Compatible battery model: 18650, 18490, 18350, 17670, 17500, 16340 (RCR123), 14500, 10440. Specifications: Input Power: DC 5V / 1A Output Current: 500mA / 1000mA External Power Standby Current: <15.0mA Color: Black Size: Approx. 11.3 * 3.8 * 3cm / 4.5 * 1.5 * 1.2in Weight: Approx. 79g Compatible Battery Model: 18650, 18490, 18350, 17670, 17500, 16340 (RCR123), 14500, 10440 Package List: 1 x Battery Charger (Not Included Battery) 1 x USB Cable 1 x User Manual