Features: 100% Brand New and High Quality Universal Battery Charger with USB Output Can automatically intelligently identify the positive and negative contacts and transfer,more intelligent and more convenient. Intelligent dedicated battery charger with USB output. When the battery is fully charged,automatically stop charging. Safety cut out circuit,Built-in protection circuit prevents overcharging. Constant current, constant voltage charging, automatic identification. The high-quality LCD screen indicates connection and full charge. Also convenient to interchange your spare batteries Use the data line which corresponds to mobile phone can be charged directly to the phone. Intelligent Chip: The smart chip protects from short circuit and overload by regulating voltage an ensuring a high effeciency charge.