How To Put A Lawn Mower Battery In. Multiply the number of cell caps by two because the nominal voltage of a lead-acid cell is 21 volts. Group U1L lawn mower batteries feature the positive terminal near the left corner on top of the battery while Group U1R batteries feature the positive terminal near the right corner.
Double-check the replacement battery to make sure it matches the dimensions capacity voltage and terminal placement of the old battery. Locate the battery on your particular type of lawn mower. Battery chargers with fewer amps may take longer.
It will be under either the seat or the hood.
Before you put the lawn mower battery away for the winter its important to clean the dirt and grime off the battery. Battery chargers with fewer amps may take longer. Before installing your new battery take this opportunity to clean the connectors. How to start a riding lawn mower with a dead battery.
