Battery Wizard is an amazing technological breakthrough that lets you recharge rechargeable batteries and amazingly, ordinary batteries up to 10 times. The Battery Wizard uses a patented pulse charging system to refresh and recharge. The built-in micro-process analyses the batteries, rejecting faulty batteries whilst automatically adjusting to each individual battery type to give the correct charge. The 5 LED lights indicate battery status and charging levels. Suitable for AA, AAA, C, D, 9v and N across alkaline, rechargeable Ni-Cad, Ni-Mh, high power and zinc carbon, Battery Wizard will pay for itself over and over again. Measures W28xD18xH6cm (W11”xD7”xH2½”). Runs on mains adaptor (supplied).