After analyzing 392 products, scanning 1960 reviews, spending more than 36 hours of research and speaking with our test users, we think the Wayne ESP25 Upgraded 12-Volt Battery Backup System is the one of the Best Backup Sump Pump on the market.
THE BASEMENT WATCHDOG Model BWSP 2,600 GPH at 0 ft. and 1,850 GPH at 10 ft. Special CONNECT Battery Backup Sump Pump System with WiFi Capable 24 Hour a Day Monitoring Controller
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Complete pre-assembled system including check valves. Easy installation in as little as 15 minutes. 15 inch diameter or larger sump basin & 1.5” discharge pipe required
Free PumpSpy monitoring & alerts included. PumpSpy remotely monitors primary sump pump & backup pump performance and battery status, 24/7. System & battery tests performed 3X per week. Get alerts and check on your pumps from anywhere, anytime. PumpSpy app available for iOS and Android.
Primary ½ HP SmartPump pumps up to 4320 GPH, 3780 GPH @ 10’. 12V backup pumps up to 3400 GPH, 2400 GPH @ 10’. Pump switches rated for 1 million cycles. Dual backup pump switches for extra protection.
Backup pump automatically activates when power fails, or primary pump requires assistance. Backup pump removes up to 13,000 gallons on a single 75 A/Hr. battery, providing days of protection under typical use.
Extremely quiet pump performance! Assembled with silent check valves that eliminate thumping or pipe banging! PumpSpy products are assembled in USA from domestic and imported parts.