A typical sump pump draws about nine amps, so it won't add much load to the generator. But a generator isn't a perfect ...

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 ...

To solve this problem, there are battery back-up sump pumps that can function if the main power system breaks down. Back-up sump pumps are a wise choice if one thinks of the potential disasters.

If you consider your primary sump pump as being in charge of keeping your basement or crawl space dry, you can think of a battery backup sump pump as the main pump’s insurance provider.