Choosing a battery backup sump pump is important, and every pump manufacturer claims to sell the best one. The truth is that most backup pumps are good. However, some are better than others ...

I intentionally let the well fill up to test the battery-backup pump ... Superio makes the best pedestal sump pump. A split ...

How they work: Battery-powered systems use a float switch to activate the pump when the water level in the sump pit rises. Drawing power from the battery, the pump discharges the water through the ...