Compact and easy to transport ,- Automatically detects battery voltage, type and +/- poles and charges correctly ,- Protection against overvoltages and short circuits ,- Compatible with most Li-ion batteries 3.6-3.7V/7.2-7.4V, round Li-ion batteries 1-2 3.6V/3.7V (LIR123A), 1.2V NiMh/NiCd AA/AAA batteries ,- USB charger/AC/DC power adapter: 5V DC, 1.000mA ,- Cigarette lighter charger: 5V DC, 1.000mA ,- Li-ion/Li-inch charging output: 4.2V/8.4V DC, 900-200mA ,- USB 2.0: 5V DC, 500mA min. Dimensions: 100x59x26 mm ,- Weight: 50 g