In the event that you glance at the top of an ordinary old flooded-cell, 12-volt marine battery pack, you notice two widely separated metal articles and synthetic caps prearranged to pay for six holes. The six holes enable you to change water lost from each one of the battery’s six cells during normal discharging and recharging.A 12-volt battery pack is actually just a field containing six two-volt cells which can be wired in series to create 12 volts. Read More