Kasatr Battery Charger for Sony NP-FM500H NPFM500H Battery and Sony Alpha DSLR A100 A200 A300 A350 A700 A900 Cameras Collapsible plug on the back of wall charger. Built in battery protection and fault detection. Product Input Voltage: 110-240v for worldwide use. After fully charged power cut-off automatically, also this charger can prevents overheating This charger only use for the battery, cannot directly charge from camera or camcorder Charger indication Green lights for standby, Red is for charging.