Works With All Battery Types Including Aa and aaa and nicad and nimh and lithium Ion Charges Removable and rechargeable Batteries While Conditioning To Extend Battery Life Safe For External Batteries--over-voltage Low Voltage Short-circuit & Over-time Protections Reverse Polarity Protection & Defective Battery Detection Worldwide Voltage (100-240v) & Plugs (eu Uk Usa Etc.) For Worldwide Use Use At Home Or In The Car Includes Both Wall (ac) & Car (12v Dc) Adapters