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10 Best battery backup for existing sump pumps of 2026
Save up to 16% off
Best Choice1
Clicked 39 times in the last monthWestinghouseWestinghouse Battery Backup Sump Pump System – 1/2 HP Dual Sump Pumps with Automatic Switchover, Stainless Steel Construction, Top Suction Design, Basement Flood Protection
Key specs-
Power Source:Battery Powered, Corded Electric
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Size:1/2 HP
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Material:Stainless Steel, Cast Iron
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Voltage:115 Volts
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Maximum Flow Rate:87 Gallons Per Minute
9.8Exceptional
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Value for Money2
GOLDENMATEGOLDENMATE 1500VA/1000W Lithium UPS Battery Backup and Surge Protector, Backup Battery Power Supply with LiFePO4 Batteries(296Wh), AVR, Line Interactive Sinewave UPS System, 8 Outlets, LCD Display
15% Off Limited Time DealKey specs-
Wattage:1000W
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VA Rating:1500VA
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Outlets:8 NEMA 5-15P outlets
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Runtime:N/A
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Recharge Time:N/A
9.6Exceptional
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3
VEVORVEVOR 2000W Sump Pump Battery Backup with LCD, Automatically Shifts to Inverter Power Ensuring Uninterrupted Operation, Essential for Emergencies & Power Failures
16% OffKey specs-
Power Source:Battery
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Size:17.32 x 6.81 x 4.02 inches
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Material:N/A
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Voltage:N/A
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Maximum Flow Rate:N/A
9.4Excellent
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4
THE BASEMENT WATCHDOGThe Basement Watchdog Maintenance Free (AGM) Standby Battery for Backup Sump Pumps (BW-27AGM)
Key specs-
size:8 x 12 x 12 inches
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power source:Battery Powered
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included components:GLENTRONICS - BW-27AGM
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voltage:12V
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Power Source:N/A
9.1Excellent
Our Rating
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5
VOONKEVOONKE 1500W Sump Pump Battery Backup Power System,Basment Protection Sump Pump Inverter with LCD Display and Automatic Battery Backup Switching for Basement Emergency and Power Outage Backup, (Black)
9.0Excellent
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6
MiumoonMiumoon 1500W Primary Sump Pump Backup System, Basment Protection Backup Inverter, Black, LCD Display, Auto Switches for Continuous Sump Pump Operation, Basement Emergency and Power Outage Backup
Key specs-
Power Source:Battery Powered
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Size:17.44 x 9.29 x 5.39 inches
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Material:Aluminum
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Voltage:N/A
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Maximum Flow Rate:N/A
8.8Very Good
Our Rating
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7
VIOPUMPO2000 Watt Sump Pump Battery Backup System, Pure Sine Wave Output, Professional Backup System in The Event of a Power Outage, Remote Controller with LCD Screen, Automatic Grid and Battery Switchover
Key specs-
Power Source:Battery Powered
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Size:UPS-2000
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Material:Aluminium Alloy
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Voltage:N/A
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Maximum Flow Rate:N/A
8.7Very Good
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8
VOONKEVOONKE 2000W Sump Pump Battery Backup Power System,Basment Protection Sump Pump Inverter with LCD Display and Automatic Battery Backup Switching for Basement Emergency and Power Outage Backup (Gold)
8.6Very Good
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9
briideaBriidea Battery Backup Sump Pump System for Basement, 2.4G & 5G WiFi, 9 LED Indicators, Smart Alarm, Electronic Water Level Sensor, 12V Battery Compatible (Battery Not Included)
8.4Good
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10
CasilCasil 12V 75Ah Deep Cycle AGM Battery | Compatible with Wayne ESP25 WSS30V Backup Sump Pump | Solar, Trolling Motor, Mobility & General Use
8.3Good
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