Sometimes you can squeeze a bit more life out of your almost dead battery. There is no real way of making them good as new but sometimes you can get just a bit more life from them when you need them. 1. When your battery gets to very low voltage, a lot of smart chargers won't know what to do. Sometimes they can't recognize there is even a battery attached. If you take an old school manual battery charger and give it a good blast, it can break the resistance and allow the batt