10 Best Backup Sump Pumps 2020

Gareth Otwell Reviewed by Gareth Otwell | Last Updated:

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.

# Image Name Brand Price
1
⭐Best Choice
Wayne ESP25 Upgraded 12-Volt Battery Backup System
Wayne ESP25 Upgraded 12-Volt Battery Backup System, Black Check price Wayne $$$$$ Check price
2 Liberty Pumps SJ10 SumpJet Water Powered Back-Up Pump Liberty Pumps SJ10 SumpJet Water Powered Back-Up Pump, GRAY Check price Liberty Pumps $$$$$ Check price
3
💲Best value for the money
Superior Pump 92900 12V Battery Back Up Submersible Sump Pump
Superior Pump 92900 12V Battery Back Up Submersible Sump Pump with Tethered Switch Check price Superior Pump $$$$$ Check price
4 Wayne WSB1275 75Ah Maintenance-Free Battery Recommended for Wayne ESP25 Wayne WSB1275 75Ah Maintenance-Free Battery Recommended for Wayne ESP25, Wayne WSS30VN and Wayne Basement Guardian Check price Wayne $$$$$ Check price
5
👑Premium Pick
Pump Sentry 822 PS- Emergency Power for Sump Pumps by
Pump Sentry 822 PS- Emergency Power for Sump Pumps by Sec America Check price SEC America $$$$$ Check price
6 THE BASEMENT WATCHDOG Model BW4000 1/2 HP Combination Submersible Sump THE BASEMENT WATCHDOG Model BW4000 1/2 HP Combination Submersible Sump Pump with Cast Iron/Cast Aluminum Primary Sump Pump and Special CONNECT Battery Backup Sump Pump System Check price N/A $$$$$ Check price
7 Zoeller 508-0006 Aquanot 508 ProPak53 Preassembled Sump Pump System with Zoeller 508-0006 Aquanot 508 ProPak53 Preassembled Sump Pump System with Battery Back-Up Check price Zoeller $$$$$ Check price
8 Red Lion 14942771 Dual Automatic Cast Iron Sump Pump System Red Lion 14942771 Dual Automatic Cast Iron Sump Pump System with 10-Foot Power Cord Check price Red Lion $$$$$ Check price
9 THE BASEMENT WATCHDOG Model BWSP 2 THE BASEMENT WATCHDOG Model BWSP 2,600 GPH at 0 ft. and 1,850 GPH at 10 ft. Special CONNECT Battery Backup Sump Pump System with WiFi Capable 24 Hour a Day Monitoring Controller Check price N/A $$$$$ Check price
10 PumpSpy PS2000C Pre-Assembled SmartPump Combination Wi-Fi Connected 1/2HP Cast Iron PumpSpy PS2000C Pre-Assembled SmartPump Combination Wi-Fi Connected 1/2HP Cast Iron Sump Pump and 12V Battery Backup Sump Pump with Internet Monitoring and Alerts (3 Year Warranty) Check price PumpSpy $$$$$ Check price

Wayne ESP25 Upgraded 12-Volt Battery Backup System – Best Overall Backup Sump Pump

Wayne ESP25 Upgraded 12-Volt Battery Backup System
  • Upgraded ESP25 with epoxy steel body and cast-iron base. No more plastic
  • 2700 GPH at 0' provides additional protection to your primary Wayne sump pump
  • Assembled in USA, performance that lasts for years
  • Audible alarm sounds, notifying you when the back up system is active
  • Easy to read LED display shows back up system readiness
  • Requires a 75 amp hour battery, recommended for use with the Wayne Wsb1275 75 amp hour battery
  • Protective Battery Case Included with LED Display and Audible Alarm to Let Homeowner Know There’s a Problem
  • Corrosion-Resistant Thermoplastic Impeller for Maximum Water Flow

Liberty Pumps SJ10 SumpJet Water Powered Back-Up Pump

Liberty Pumps SJ10 SumpJet Water Powered Back-Up Pump
  • Made In America
  • MECHANICAL COMPONENTS
  • Commercial Brand: Liberty
  • Package Dimensions: 18. 0" L x 18. 0" W x 21. 0" H

Superior Pump 92900 12V Battery Back Up Submersible Sump Pump – Best Budget Backup Sump Pump

Superior Pump 92900 12V Battery Back Up Submersible Sump Pump
  • 12 Volt Sump pump moves up to 1,380 gallons per hour, pump will lift water up to 25' of vertical height
  • Tough thermoplastic construction; 10-foot cord length
  • Tethered float switch to automatically turn the pump on/off
  • 1-1/4 inch or 1-1/2 inch NPT discharge for high capacity pumping
  • Superior Pumps are Built to Last, engineered with quality components and are 100% factory tested

Wayne WSB1275 75Ah Maintenance-Free Battery Recommended for Wayne ESP25

Wayne WSB1275 75Ah Maintenance-Free Battery Recommended for Wayne ESP25
  • 12 volt, 75 amp hour
  • Sealed lead acid battery (no handling acid)
  • Pre-charged and ready to use
  • Compatible with all Wayne battery back-up products
  • Carry handles for convenience

Pump Sentry 822 PS- Emergency Power for Sump Pumps by – Premium Pick

Pump Sentry 822 PS- Emergency Power for Sump Pumps by
  • 1200 Watt Battery Back Up System, UL & CSA Approved
  • Battery Cables Included, Rugged Aluminum Housing Compact Size
  • For Wall Mount or Surface Mount Installation
  • You will need to purchase (separately) a 12 volt deep cycle marine battery up to 200 amps
  • 2 Year Factory Warranty

THE BASEMENT WATCHDOG Model BW4000 1/2 HP Combination Submersible Sump

THE BASEMENT WATCHDOG Model BW4000 1/2 HP Combination Submersible Sump
  • Package contains: Controller, charger, two dual micro reed float switches, primary pump and backup pump, instruction manual (battery and acid sold separately)
  • Back-up starts immediately after loss of power or if flow of water is too great for the AC pump alone
  • Back-up features unique monitoring systems to diagnose problems and sound an alarm
  • Compact, fits in pits as small as 12-Inch in diameter.

Zoeller 508-0006 Aquanot 508 ProPak53 Preassembled Sump Pump System with

Zoeller 508-0006 Aquanot 508 ProPak53 Preassembled Sump Pump System with
  • Includes: Model 53 115-volt pump, Model 508 Aqua not, 115 Volt DC backup system with pump, check valve, float switch and piping
  • Plumbed in 1-1/2" Such 40 PVC pipe
  • Comes fully assembled and ready to install in your clear water sump
  • Extra protection when the primary AC pump fails due to power outages
  • Fully solid state automatic 10A charger/controller with alarm, light indicator and warning system

Red Lion 14942771 Dual Automatic Cast Iron Sump Pump System

Red Lion 14942771 Dual Automatic Cast Iron Sump Pump System
  • Dual automatic submersible sump pumps
  • Pre-assembled piping and check valves included
  • Maximum head of 25',010' power cord
  • 1-1/2 inch FNPT discharges, piggyback float switches
  • Clog-resistant design (1/2" semi-solids handling), PSC motors, not suitable for pond use

THE BASEMENT WATCHDOG Model BWSP 2

THE BASEMENT WATCHDOG Model BWSP 2
  • Pumps 2,500 GPH at 0 ft. of lift and 1,730 GPH at 10 ft. of lift
  • User-friendly control panel lights up with a warning and describes what to do for easy maintenance
  • A sensor monitors battery fluid levels for increased piece of mind
  • Includes controller, charger, dual float switch, pump and battery box (battery sold separately)
  • Compact pump can be installed even in small or narrow sump pits

PumpSpy PS2000C Pre-Assembled SmartPump Combination Wi-Fi Connected 1/2HP Cast Iron

PumpSpy PS2000C Pre-Assembled SmartPump Combination Wi-Fi Connected 1/2HP Cast Iron
  • 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.

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