The Tornado4000 is a versatile and safe all-in-one battery charger. With this product you will be able to reverse the damaging effects when batteries are left uncharged for extended periods, saving you the money that would be spent replacing the battery. The Tornado4000 minimizes energy consumption when full power is not needed, improving the performance and longevity of the batteries in your shop. With intelligent microprocessors, this product will charge two times faster than standard chargers, so you can offer timely and efficient services.