It can save you thousands of dollars in repairs. If the primary pump fails, a battery backup sump pump will help remove the remaining water. It is possible to extend the lifespan of a sump pump by having it serviced regularly and performing periodic maintenance. These pumps help prevent flooding and structural damage to the home. Basement flooding can lead to structural damage to your home, mold growth, allergic reactions, and more. During a power outage, a battery backup will operate the pump for hours at a time, protecting your home. Sump pumps are an affordable solution to keep the water away from your home. A sump pump is an electric device that sits in a sump pit and draws water away from your home.