LP Battery charger for Sony NP-BG1,Compatible with Sony DSC-W Series Camera Models High quality battery charger is a handy companion for digital shooting. Easy to use, portable and comfortable to carry when out or travel. Input: AC100V-240V; Output: DC 4.2V 600mA Quick charge with automatic constant current control prevents battery from overcharging, short circuit, and electronic shock. Charger indication Green lights for standby, Red is for charging. NOTE: For a success and safe charge to your battery, please make sure to line up the correct polarity (positive / negative) before inserting the battery onto the charger. This charger only use for the battery, cannot directly charge from camera or camcorder.