When this takes place, you need to entirely desulfate the battery so that it again holds a charge. Desulfation is likewise referred to as battery "reconditioning." Since batteries consist of poisonous chemicals, such as lead acid, you have to take safety and security preventative measures. Constantly put on safety glasses https://andreslmjhe.blogkoo.com/h1-ez-battery-refurbishing-testimonial-can-you-re-use-old-batteries-h1-54472272