If a golf cart battery lacks water, its performance begins to weaken. The battery's cells can end up being exposed, resulting in a decreased life-span. Finally, the refurbished battery is billed using specialized equipment that carefully checks the billing procedure. This makes sure that the battery is not overcharged, which can result in overheating and damage. The last isn't viable for cells costing a couple of $, but it makes a large amount of feeling for power devices batteries, smart phone ...