U.S. Battery

Care & Maintenance

Deep Cycle Battery Care and Maintenance


When the electrolyte level is too low, the plates are exposed. Exposed plates can sulfate causing material to become inactive. This will negatively impact a battery’s capacity.


The electrolyte level of the battery should be kept 1/4” below the bottom of the fill well in the cell cover. This will ensure that the plates are completely submerged.


Overfilling the cell can cause it to leak. This can cause corrosion, damage, and possible personal injury. The diluted electrolyte and acid loss will also result in reduced capacity.

Electrolyte Level Graphic

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