Features: *Lightweight and handy， covenient for carrying and simple for operating *Charge any cell phone batteries with just one universal travel charger *When the battery is fully charged automatically stop charging. *Ensure that the battery will not over-charging，and to protect performance and battery life. *Constant current，constant voltage charging，automatically identify battery positive and negative pollar *360 rotation，suitable for different sizes of batteries. *Available USB interface charge and charging data cable  Specifications: *Size: 9.5cm x 5.5cm x 3 *Color: White *Input: AC 220V+\/-30V 50Hz 0.1A *Output: DC 4.2V+\/-0.1V 250mA MAX *USB DC 6V+\/-0.3V 400mA *Suit for 300-8000mAh battery *Net Weight: 62g   Package Includes: 1 x Universal Battery Charger 1 x AC Adapter ( According to your country's electrical standard )