AP Auto features high frequency switch mode technology with its range of Intelligent Battery Chargers, offering you the ultimate battery charger and maintainer that can be left on batteries for months. With its spark proof designs, precisely controlled peak voltage and built in microprocessors, you’ll be pressed to find a better choice of charger around. Not to mention their advanced 9 stage charging process that will recover batteries up to 99.99% of their original charge! Give life back to your flat battery with one of AP Auto’s incredible Intelligent Battery Chargers today.