Cordless tools can go where you need them to without restricting cords. Unfortunately, for a long time cordless tools were held back by their batteries. Over time battery technology has improved allowing cordless tools to do almost any task a corded one can. Cordless tools now include rotary hammers, chainsaws and other powerful tools. You can keep these important tools running as long as you need them to with replacement batteries. By keeping a battery charged at all times you can avoid downtime and inefficiency.