Once the plates are ready, they will need to be alternatively stacked with a piece of separator between them. Separators are sheets of porous material that prevent short circuits, yet allow electrical current to flow between the plates. Once appropriately combined, all the positives are connected together, and separately, all the negatives are connected together. This combination of positives, negatives and separators combined is referred to as an element. The elements are then properly oriented and inserted into the battery case and welded together. Elements are typically arranged in series, in order for the two volt cell to reach six, 12 or whatever the intended voltage of the final battery.
Next, a cover is sealed to the top of the case, which contains the connected elements, and the terminal posts are formed outside creating an acid tight seal.
Since the battery construction is now complete, it can be filled with sulfuric acid or electrolyte and placed onto the formation charge. During the formation charge, the battery is connected to an electrical source and charged for many hours. Finally, once a battery is fully formed, it will endure various quality checks and be cleaned and labeled before arriving at a location for sale.
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