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.

If your existing pump sometimes can't keep up with the incoming water, select a model with a higher GPH rating. A sump pump ...

Pumps that don’t require much fiddling with existing ... with your backup sump pump, checking in with it periodically could prevent major headaches later. Start by cleaning battery terminals ...