The Halfords Fully Automatic Battery Charger is a reliable and efficient tool for keeping your vehicle's battery in top condition. With a capacity range of 20-120Ah and a voltage of 12V, this charger is suitable for a variety of vehicle sizes. Its automatic features make it easy to use and convenient for regular maintenance. Manufactured by Halfords, this single item charger is a valuable addition to any garage or workshop, providing an excellent backup solution for charging and testing batteries.