HOW IT WORKS: Pump Sentry will reliably power your sump pump during a power outage; it automatically switches to battery when AC power goes out & will automatically recharge when power is restored ...

When the skies open and power lines go down, a reliable backup sump pump could be the difference between a dry basement and thousands of dollars in damage (along with a big headache). And because ...

We tested four of these pumps, our favorite of which was the Wayne WSS30Vn Basement Backup Sump Pump because of its ease of setup, reasonable price, and high water-pumping capacity.