A battery backup for a sump pump is a system that includes a battery and a charger, as well as a device that monitors the power supply to the sump pump. The battery backup provides an alternative power source for the sump pump in case of a power outage or other electrical problem. During regular operation, the sump pump uses electricity from your home's electrical system. If … [Read more...] about Why a battery backup for a sump pump is a good investment