It sounds like one or more cells of the OP’s battery were shorted. Since the battery can never reach full voltage, the remaining cells will be overcharged in the attempt. He’s lucky it didn’t explode in his face.
It sounds like one or more cells of the OP’s battery were shorted. Since the battery can never reach full voltage, the remaining cells will be overcharged in the attempt. He’s lucky it didn’t explode in his face.