How To Recover Dead Lead Acid Battery. The baking soda reacts with the battery acid rendering it harmless. Dish soap can also be used to clean very dirty batteries.
Charge your batteries beforehand for at least 12 hours. THIS REALLY WORKS. 3 Using jumper cables connect the positive terminal of a healthy battery to the positive terminal of the dead battery.
Some say its possible to recover.
Step-by-step guide to restore old batteries at home19k People Have Used - Starting Today. Open up all battery caps. A soft brush is useful for any oil or dirt stuck on the battery. The plates need to be surrounded by the sulfuric acid solution so the reaction can occur.
