Works with all battery types, including AA/AAA/NiCd/NiMH/Li-Ion; Charges removable/rechargeable batteries while conditioning to extend battery life; Safe for external batteries–overvoltage, low-voltage, short circuit and over-long protections; Reverse polarity protection and defective battery detection; Worldwide voltage (100 volts-240 volts) and plugs (EU, UK, USA, etc.) for worldwide use; Use at home or in the car; Includes both AC and car 12-volt DC adapters;