Models available -Megapulse 6v -Megapulse 12v -Megapulse 24v -Megapulse 36v -Megapulse 48v MEGAPULSE is an electronic battery maintenance device that operates in conjunction with charging systems  to keep your battery in peak operating condition. It will;  Prevent premature battery death  Extend battery life  Keep batteries in "like new" condition  Care for the environment, reducing the number of batteries going into landfill  Reduce the number of batteries you will discard in a lifetime  Restore 100% battery capacity  Reduce recharge time