DSTE DC20 Travel and Car Charger Adapter for Canon BP-208 BP-214 BP-308 BP-315 Battery as CG-300E 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.