Sulfation triggers batteries to die much faster than they should. We'll discuss what does reconditioning a battery do sulfation is, what causes it and the best methods to repair it and increase your battery life expectancy. We'll reveal you everything you require to know, along with exactly how to replace vehicle batteries. Repeat the charging and discharging process two more times. Refurbishing involves cleaning the battery cells, fully charging and afterwards releasing the battery, and after that recharging it to 100%. Doing this can substantially prolong the life-span of a battery.