When this happens, you must totally desulfate the battery so that it once again holds a charge. Desulfation is likewise called battery "reconditioning." Because batteries consist of toxic chemicals, such as lead acid, you should take safety and security precautions. Constantly put on goggles and gloves when executing this procedure. https://daltonmnjgh.laowaiblog.com/34074258/h1-ez-battery-replacing-testimonial-can-you-re-use-old-batteries-h1