DSTE DC01 Travel and Car Charger Adapter for Sony NP-FM50 NP-FM55H NP-FM500H NP-QM71 NP-QM91 NP-QM51D NP-QM71D NP-QM91D NP-F550 NP-F570 NP-F750 NP-F770 NP-F960 NP-F970 Battery Worldwide voltage Input: AC 110-240V 50/60Hz A 12V Car Lighter Adapter Convenient for Journey Built in battery protection and fault detection, will automatically stop when the charging is complete Build in MCU, automatically stop working when improper input voltage, short circuit or overheat Build in trickle charge IC, prevent the batteries from over-charged.