A battery-operated lawn mower is a convenient way to keep your lawn looking neat and tidy. However, over time, the battery can become dirty and lose its effectiveness. When this happens, it's important to clean the battery to maintain optimal performance. First, disconnect the battery from the mower. Next, remove any dirt or debris from the surface of the battery using a soft cloth. Once the surface is clean, use a toothbrush to gently scrub any remaining dirt from the crevices. Finally, rinse the battery with clean water and dry it with a clean towel. By following these simple steps, you can keep your battery-operated lawn mower running smoothly for years to come.