EPG charger for SONY NP-F Series (NP-F330 NP-F530 NP-F550 NP-F570 NP-F730 NP-F750 NP-F770 NP-F930 NP-F950 NP-F960 NP-F970) Battery and Model CCD-TR300 CCD-TR311E CCD-TR317 Collapsible plug on the back of wall charger. Built in battery protection and fault detection. Product by EPL the 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.