The Digitek Digital Universal Charger DLC-002 is a universal charger for various types of Mobile Phone and Camera Batteries. It supports charging of Lithium Ion 3.7V Batteries. Constant Charging current and voltage keeps the battery fully charged as well as provides it a longer life span. The Digitek Digital Universal Charger DLC-002 can automatically identify Positive (+ve) and Negative (-ve) terminals of the battery. After detecting the polarity of the battery to the connected terminals, the charger will automatically adjust itself to charge the battery. The charger also has a USB output to charge various devices including Mobile Phones Portable MP3 Players and Portable Video Games such as the Sony PlayStation Portable.The Digitek Digital Universal Charger DLC-001 requires an input current range of 100V to 240V and can be used worldwide. The charger has an output current of DC 4.2V at 300mA and USB 5V at 500mA.