Internal Shorted Cell Battery - Cannot be charged. Refer to the following chart for an indication of what the various conditions and/or status codes mean: An Everstart battery charger will bring your battery back to life, if the battery has undamaged cells and will accept a charge. Everstart smart charger and maintainer 3a manual Batteries can generate explosive wetting gases when charging, so it's important to understand how to use the Everstart 12-amp car battery charger correctly. As stated earlier, it is straightforward to use, even for first-timers. The Everstart jump starter comes with clamps, chargers, and adaptors for dc devices. The Everstart jump-starter is designed in such a way it not very big, this makes it portable, and one can move with it around with its bag. Everstart 3a Smart Charger Instructions.