Whether your car battery struggles because of the cold, lack of use or even because you've accidentally left your lights on, battery chargers are a great way to get your battery back up and running and maintaining it. The AA Car Battery Charger & Maintainer is controlled by a 12-bit AD microprocessor with 4-stage charging characteristics designed for charging automotive batteries fitted in cars, bikes and light commercial vehicles. The inbuilt microprocessor senses the condition of the battery and controls the regulator to provide the right current and voltage to suit the charging characteristic of the battery. This will provide the best type of charging and give the longest battery life. The AA has looked after Britain