20 Best Battery For Sump Pump Backup (2022 Updated)

A battery backup for a sump pump is a device that helps to keep the sump pump running in the event of a power outage. The battery backup will provide power to the sump pump so that it can continue to remove water from the basement or crawl space.

20 Best Battery For Sump Pump Backup

1. Basement Watchdog BW-27AGM Maintenance Free AGM Battery

Basement Watchdog BW-27AGM Maintenance Free AGM Battery

  • The rechargeable design offers easy reusability of this battery
  • Sealed construction helps reduce the risks of acid spillage
  • This maintenance-free battery helps provide a steady power supply up to 48 hours

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Product Details

Specifications

Details
Material Thermoplastic
Height 9″
Width 10.25″
Length 6.5″
Weight 50 lbs

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Troy
gta1383_pnpeq576tr
Southpaw

2. Liberty Pumps – 441 – Battery Back-Up Emergency Sump Pump System

Liberty Pumps - 441 - Battery Back-Up Emergency Sump Pump System

  • High output 12 volt submersible pump
  • Automatic, mercury-free switch – Control panel
  • Battery box and strap (battery not included)
  • Tee, check valve and bushings for 1-1/2″ or 1-1/4″ connections

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Product Details

Specifications

Details
Voltage 12v
Amperage (amps) 1
Battery Life (hours) 4.25
Battery Type Required Battery Not Included
Discharge Flow @ 0 ft. (gallons/hour) 2700

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Richard K.
Tony
Lenny J.

3. Basement Watchdog Special Battery Backup Sump Pump System BWSP

Basement Watchdog Special Battery Backup Sump Pump System BWSP

  • 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

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Product Details

Specifications

Details
Volts 120 V
Brand Name The Basement Watchdog
Amps 1.6 amps
Intake Bottom Suction
Height 7-1/2 in.

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a2danmi
Scott F.
Roger C.

4. Zoeller Aquanot Battery Backup Sump Pump 508-0005

Zoeller Aquanot Battery Backup Sump Pump 508-0005

  • 12 volt highly efficient noncorrosive pump construction
  • Integrated check valve
  • Quick disconnect discharge
  • Aluminum seal pocket & cooling plate
  • Hand built & 100% tested in USA

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Product Details

Specifications

Details
Package Quantity 1
Alarm Included Yes
Inlet Diameter 0
Battery Backup Yes
Water Flow (GPM) 39

Reviews From Real Customers

T.
Brandon W.
S.

5. Basement Watchdog Big Dog Battery Operated Backup Sump Pump

Basement Watchdog Big Dog Battery Operated Backup Sump Pump

  • Requires the Basement Watchdog 7.5 Hour Standby Deep Cycle Battery to operate up to 7.5 hours continuously. (Sold separately)
  • User-friendly controller sounds an alarm, illuminates a warning light, and describes what to do for easy maintenance
  • Runs without discharging the battery when the power is on
  • It is possible to double the run time of the Big Dog by hooking up two batteries in parallel (cables sold separately)
  • Includes a dual float switch for added redundancy and protection

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Sump Pumps Direct
Abt Electronics & Appliances

Product Details

Specifications

Details
Volts 12 V
Maximum Discharge Flow 3
Pump Switch Type Dual Reed Switch
Intake Bottom Suction
Housing Material Thermoplastic

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Louis G.
Bill M.

6. Basement Watchdog 24EP6 Emergency Standby Battery

Basement Watchdog 24EP6 Emergency Standby Battery

  • Operating voltage of 12 V offers optimal power supply for efficient performance
  • Sealed construction helps prevent acid leakage to increase the service life of this battery
  • Rechargeable design helps provide uninterrupted usage

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Product Details

Specifications

Details
Voltage 12 V
Current 140 A
Battery Type Lead
Dimensions 7″ x 11.75″ x 10.5″
Battery Life Up to 6 hours

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Shelley W.
C.r.
bhatt_zeesh

7. Sumpro 100 | Sump Pump Battery Backup System (2-120ah Batteries Included)

Sumpro 100 | Sump Pump Battery Backup System (2-120ah Batteries Included)

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Sump Pumps Direct
Power Equipment Direct
Alta Power Corp

Product Details

Specifications

Details
Warranty 3 Year Manufacturer Warranty

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Patrick F.
Philip P.
Timothy K.

8. Phcc Pro Series B-1000 Battery,Deep Cycle

Phcc Pro Series B-1000 Battery,Deep Cycle

  • B-1000

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Zoro

Product Details

Specifications

Details
Battery Chemistry Lead Acid
Battery Cycle Type Deep Cycle
Depth – Batteries 10″
Terminal Type – Batteries Post with Wing Nut
Terminal Location Top

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BeignetBeans
dalebert

9. Basement Watchdog 24EP6 Sump Pump Emergency Standby Battery, 6 Hour

Basement Watchdog 24EP6 Sump Pump Emergency Standby Battery, 6 Hour

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Factory Hardware Store

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f.

10. 6-Hour The Basement Watchdog Emergency Sump Pump Standby Battery 24EP6

6-Hour The Basement Watchdog Emergency Sump Pump Standby Battery 24EP6

  • Pumps intermittently for days on the Basement Watchdog Emergency (BWE) or Combination (DFK961) system
  • Accommodates the Basement Watchdog fluid sensor to sound an alarm when distilled water is needed
  • Can be easily and safely filled with a 6 qt. battery fluid pack (sold separately Model # Z-PACK)

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Valu Home Centers
Farm & Home Hardware

Product Details

Specifications

Details
Country of Origin Korea
Continuous Working Time 6 Hr
Voltage 12V
Dimensions 10.125 In. W x 10 In. H x 6-1/2 In. D
CID 1

11. 12V 100Ah SLA Battery Replacement for Wayne Sump Pump

12V 100Ah SLA Battery Replacement for Wayne Sump Pump

  • ML100-12 SLA is a 12V 100AH group 30H Sealed Lead Acid (SLA) rechargeable maintenance free battery.
  • Dimensions: 12.17 inches x 6.61 inches x 8.30 inches. Listing is for the Battery and Screws only. No wire harness or mounting accessories included.

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Specifications

Details
Assembled Product Dimensions (L x W x H) 12.09 x 6.65 x 8.48 Inches

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AgedRelative
Bobio
verifiedpurchase

12. Phcc Pro Series PS-C33 Sump/Battery Backup System,9 Amps Backup

Phcc Pro Series PS-C33 Sump/Battery Backup System,9 Amps Backup

  • 3000 GPH flow at 10-Feet head with 31-Feet max head. Back-up 2400 GPH
  • Automatically switches to battery power when AC fails
  • Backup pump will assist primary pump if excessive amounts of water are entering the sump
  • Detects irregularities, sounds an alarm, and pinpoints problems and solutions on control panel or to an auto dialer
  • Primary 115 Volts, 60Hz. Back-up 9.0 Amps DC current

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Sump Pumps Direct
Power Equipment Direct

Product Details

Specifications

Details
Amps 4.0 A
Switch Actuation Dual Micro Reed
Switch Electrical Connection Piggyback
Impeller Material Polycarbonate (Primary)
Shaft Seal Material – Pumps Carbon, Ceramic

Reviews From Real Customers

Brian W.

13. 12V 100Ah Lithium Replacement Battery for Liberty Sump Pump

12V 100Ah Lithium Replacement Battery for Liberty Sump Pump

  • condition: New
  • Brand: Mighty Max Battery

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Zoro

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Specifications

Details
Country of Origin (subject to change) Viet Nam

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n6sgx3967
brahim.q
phd.a

14. CyberPower 1500VA Sump Pump Battery Backup A1500sp1

CyberPower 1500VA Sump Pump Battery Backup A1500sp1

  • Ups Capacity: 1500 Va / 900 W
  • Sump Pump Capacity: Up To 1/2 Hp
  • Topology: Line Interactive
  • Waveform: Simulated Sine Wave
  • Output: 120 Vac ± 5%

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Product Details

Specifications

Details
Device Type UPS – external
Color Black
UPS Technology Line interactive
Input Voltage AC 120 V
Input Voltage Range AC 90 – 142 V

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DF123
DLO

15. 12V 75Ah Gel Battery Replacement for Wayne Wss30v Backup Sump Pump, Men’s, Size: One Size

12V 75Ah Gel Battery Replacement for Wayne Wss30v Backup Sump Pump, Men's, Size: One Size

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iwantitwholesale
basicguy61

16. Basement Watchdog BWE Emergency Backup Sump Pump

Basement Watchdog BWE Emergency Backup Sump Pump

  • Pumps 1000 GPH @ 10Ft Lift
  • Compact Pump
  • User-Friendly Control Panel Lights Up
  • Easy To Install
  • Sounds An Alarm When It Detects Irregularities

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Product Details

Specifications

Details
Sub Type Battery-powered sump pump
Outlet Diameter 1-1/2
Volts 115
Inlet Diameter 1-1/2
Pump Horsepower 1/3-HP

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sam95_95
Vincent I.
D.H.

17. 12V 75Ah SLA Battery Replacement for Wayne Wss30v Backup Sump Pump, Men’s, Size: One Size

12V 75Ah SLA Battery Replacement for Wayne Wss30v Backup Sump Pump, Men's, Size: One Size

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Sears

Product Details

Specifications

Details
Voltage 12 Volt
Amperage 75 AH
Chemistry SLA, AGM
Assembled Product Weight 50.71 lb
Assembled Product Dimensions (L x W x H) 10.24 x 6.61 x 8.27 Inches

18. Basement Watchdog 24EP6 The Emergency Standby Battery

Basement Watchdog 24EP6 The Emergency Standby Battery

  • Pumps intermittently for days on the Basement Watchdog Emergency (BWE) or Combination (DFK961) system
  • Accommodates the Basement Watchdog fluid sensor to sound an alarm when distilled water is needed
  • Can be easily and safely filled with a 6 qt. battery fluid pack (sold separately Model # Z-PACK)

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Product Details

19. Glentronics PHCC-2400 Pro Series Back-Up Sump Pump

Glentronics PHCC-2400 Pro Series Back-Up Sump Pump

  • Battery needs water, is discharged or needs to be replaced
  • Battery cable is loose or corroded
  • Power plug is disconnected, fuse is blown or circuit breaker is tripped
  • Pump is clogged or broken

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Product Details

Specifications

Details
Alarm Output Audible, Dry Contact Remote Terminal, Visual
Amps @ 10 Ft. of Head 12 A
Switch Actuation Dual Micro Reed
Flow Rate @ 10 Ft. of Head 40 gpm
Min. Sump Pit Dia. 12 in

Reviews From Real Customers

Lou D.
Michael S.
P L.

20. Wayne Maintenance Free 75 Amp Battery Wsb1275

Wayne Maintenance Free 75 Amp Battery Wsb1275

  • Lead-acid composition provides consistent power supply for enhanced performance
  • The 75 Ah capacity helps deliver optimal charge to run your device efficiently
  • Sealed construction helps prevent the leakage of battery acid for safe use

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Product Details

Specifications

Details
Battery Type Lead-acid
Voltage 12 V
Battery Capacity 75 AH
Sealed Yes
Rechargeable Yes

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Barbara M.
guangzhouanna
Bret

Conclusion

There are many different types of backup batteries for sump pumps, and the best type for your home will depend on a few factors. The most important factor to consider is how often your power goes out and for how long.

If you only lose power a few times a year for a few hours at a time, a small, inexpensive battery should suffice. However, if you lose power more frequently or for longer periods of time, you’ll need a larger, more powerful battery.

Other factors to consider include the size of your sump pit and the capacity of your sump pump. A larger sump pit will require a larger battery, and a higher capacity sump pump will require a more powerful battery.

When choosing a backup battery for your sump pump, it’s important to select one that is compatible with your sump pump and that will provide enough power to keep your sump pump running for the amount of time you need it.

You should also consider the warranty and service life of the battery. Some batteries have a shorter service life than others, so it’s important to choose one that will last for as long as you need it.

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