20 Best Sump Pump Battery Backup System (2023 Updated)

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A sump pump battery backup system is a device that is used to pump water out of a basement or crawl space in the event of a power outage. The system consists of a battery, a charger, and a pump. The battery is typically charged by a generator or by the power company.

20 Best Sump Pump Battery Backup System

Product Image Product Name Features Price

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

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)

Zoeller 507-0005 Basement Sentry 12V Backup Sump Pump

  • Can be used with any existing brand sump pump.
  • 10A charger allows battery to be fully recharged when power is present.
  • Includes all necessary fittings and check valves for proper installation.

Zoeller Aquanot Battery Backup Sump Pump 508-0005

  • 12 volt highly efficient noncorrosive pump construction
  • Integrated check valve
  • Quick disconnect discharge

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)

Wayne Backup Sump Pump System Esp25

  • Corrosion-resistant thermoplastic construction
  • Requires 75Ah deep cycle marine battery (not included)
  • Alarm system lets homeowner know standby backup system has been activated

Zoeller 508-0007 M98 Sump Pump & 508 Backup System

  • Product Type: PLUMBING_FIXTURE
  • Model Number: 508-0007
  • Package Dimensions: 14.0 Lx14.0 Hx14.0 W Inches

Wayne Emergency Backup Sump Pump

  • Assembled in the USA
  • Made with a thermoplastic housing and volute
  • 12V high flow pump

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

Basement Watchdog BWE Emergency Backup Sump Pump

  • Pumps 1000 GPH @ 10Ft Lift
  • Compact Pump
  • User-Friendly Control Panel Lights Up

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

Zoeller – 508-0006 – Aquanot 508 Sump Pump System w/ Battery Backup

  • Aquanot ProPak53 is a 12 Volt DC backup sump pump systems that prevents flooding when the primary pump fails or when power is lost.

CyberPower 1500VA Sump Pump Battery Backup A1500sp1

  • Ups Capacity: 1500 Va / 900 W
  • Sump Pump Capacity: Up To 1/2 Hp
  • Topology: Line Interactive

Zoeller 585-0005 Aquanot II Battery Backup Pedestal Sump Pump

  • Interruption free pumping if main pump fails
  • Established back up battery system
  • 12 V motor with positive contact switch
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
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)
Zoeller 507-0005 Basement Sentry 12V Backup Sump Pump
  • Can be used with any existing brand sump pump.
  • 10A charger allows battery to be fully recharged when power is present.
  • Includes all necessary fittings and check valves for proper installation.
Zoeller Aquanot Battery Backup Sump Pump 508-0005
  • 12 volt highly efficient noncorrosive pump construction
  • Integrated check valve
  • Quick disconnect discharge
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)
Wayne Backup Sump Pump System Esp25
  • Corrosion-resistant thermoplastic construction
  • Requires 75Ah deep cycle marine battery (not included)
  • Alarm system lets homeowner know standby backup system has been activated
Zoeller 508-0007 M98 Sump Pump & 508 Backup System
  • Product Type: PLUMBING_FIXTURE
  • Model Number: 508-0007
  • Package Dimensions: 14.0 Lx14.0 Hx14.0 W Inches
Wayne Emergency Backup Sump Pump
  • Assembled in the USA
  • Made with a thermoplastic housing and volute
  • 12V high flow pump
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
Basement Watchdog BWE Emergency Backup Sump Pump
  • Pumps 1000 GPH @ 10Ft Lift
  • Compact Pump
  • User-Friendly Control Panel Lights Up
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
Zoeller – 508-0006 – Aquanot 508 Sump Pump System w/ Battery Backup
  • Aquanot ProPak53 is a 12 Volt DC backup sump pump systems that prevents flooding when the primary pump fails or when power is lost.
CyberPower 1500VA Sump Pump Battery Backup A1500sp1
  • Ups Capacity: 1500 Va / 900 W
  • Sump Pump Capacity: Up To 1/2 Hp
  • Topology: Line Interactive
Zoeller 585-0005 Aquanot II Battery Backup Pedestal Sump Pump
  • Interruption free pumping if main pump fails
  • Established back up battery system
  • 12 V motor with positive contact switch

1. 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.

Reviews From Real Customers

a2danmi
Scott F.
Roger C.

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

Reviews From Real Customers

Lenny J.
Robert F.
Dan D.

3. Zoeller 507-0005 Basement Sentry 12V Backup Sump Pump

Zoeller 507-0005 Basement Sentry 12V Backup Sump Pump

  • Can be used with any existing brand sump pump.
  • 10A charger allows battery to be fully recharged when power is present.
  • Includes all necessary fittings and check valves for proper installation.

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Product Details

Specifications

Details
Voltage 12 Volt DC
Battery Included No
Housing Material Thermoplastic
Impeller Material Plastic
Handles Solids No

Reviews From Real Customers

R.M.
D.E.C.
B.S.

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

Brandon W.
Loyal Customer
Tom K.

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

Reviews From Real Customers

Louis G.
Terry

6. Basement Watchdog CITS-50 Big Combo Connect 1/2 HP Combination Primary & Backup Sump Pump System

Basement Watchdog CITS-50 Big Combo Connect 1/2 HP Combination Primary & Backup Sump Pump System

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Blain’s Farm & Fleet

Product Details

Specifications

Details
Discharge Flow @ 0 ft. (gallons/hour) 4400
Housing Material Cast-Iron
Voltage 115v
Amperage (amps) 4.2 A
Battery Life (hours) 60 hr

Reviews From Real Customers

Blain's Farm & Fleet
twri7686
Allan L.

7. Wayne Wss30v Combination 1/2 HP & 12-Volt Combination Sump System

Wayne Wss30v Combination 1/2 HP & 12-Volt Combination Sump System

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Product Details

Specifications

Details
Minimum Temperature 40 F
Horsepower 1/2 HP
Maximum Temperature 110 F
Maximum Discharge Flow 5
Height 13.75 in.
Pump Switch Type Vertical Float Switch
Housing Material Cast Iron
Powered By AC
Discharge Flow at 10 ft. 3840 gph
Width 9 in.
Agency Compliance UL
Depth 14 in.
Discharge Flow at 20 ft. 2040 gph
Sump Pump Outlet Diameter 1-1/2 in.
Maximum Feet of Head 25 ft.
Intake Top Suction
Turn On/Off Level 9 in./4 in.
Product Type Sump Pump
Amps 7 amps
Volts 120 V
Brand Name Wayne

Reviews From Real Customers

Marshall R.
Andrew S.
Martin S.

8. Wayne Backup Sump Pump System Esp25

Wayne Backup Sump Pump System Esp25

  • Corrosion-resistant thermoplastic construction
  • Requires 75Ah deep cycle marine battery (not included)
  • Alarm system lets homeowner know standby backup system has been activated
  • Compatible with most pedestal and submersible sump pumps
  • Float switch for automatic operation

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Product Details

Specifications

Details
Product Dimensions 7.25 x 5 x 10 inches
Is Discontinued By Manufacturer No
Style ESP25 battery backup system (old version)
Power Source Air Powered
Voltage 100 Volts

Reviews From Real Customers

Deanna S.
Todd T.
J A.

9. Liberty Pumps SJ10 SumpJet Water Powered Back-Up Pump

Liberty Pumps SJ10 SumpJet Water Powered Back-Up Pump

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Product Details

Specifications

Details
Switch Actuation Vertical Float
Flow Rate @ 10 Ft. of Head and 40 PSI 11.0 gpm
Max. Head 25.0 ft
Min. Sump Pit Dia. 18 in
On Point 7.25 in
Switch Type Mechanical Float
GPM of Water @ 15 Ft @ 30, 50 PSI -10
GPM of Water @ 10 Ft @ 30, 50 PSI 7.2, 13.2
Min./Max. Pressure (PSI) 20/100
Max. Liquid Temp. 130 Degrees F
GPM of Water @ 5 Ft @ 30, 50 PSI 11.7, 16.25
Switch Type – Pumps Float
Material of Construction PVC
Max. Diameter Solids Clear Water
Off Point 4.5 in
Max Head – Pumps 35 ft.
Pump Body Material ABS
Housing Material ABS Plastic
Length 14.1″
Discharge NPT 1-1/2″
Outlet 1-1/2″
Agency Compliance CSA
Max. Dia. Solids clear water
Inlet Connection 3/4
Item – Sump Pumps Water Powered Sump Pump
GPM of Water @ 20 Ft @ 30, 50 PSI -6.4
Diameter 14.1″
Alarm Included No
Overall Height 21 1/2 in
Discharge Standard NPT
Discharge Gender Female
Flow Rate @ 10 Ft. of Head and 50 PSI 13.0 gpm
Flow Rate @ 20 Ft. of Head and 50 PSI 7.0 gpm
Flow Rate @ 5 Ft. of Head and 50 PSI 16.2 gpm
Flow Rate @ 5 Ft. of Head and 30 PSI 11.7 gpm
Minimum Water Supply Pressure 20 psi
Maximum Water Supply Pressure 100 psi
Flow Rate @ 20 Ft. of Head and 40 PSI 3.5 gpm
Flow Rate @ 10 Ft. of Head and 30 PSI 7.5 gpm
Flow Rate @ 15 Ft. of Head and 40 PSI 7.2 gpm
Flow Rate @ 15 Ft. of Head and 50 PSI 10.0 gpm
Water Supply Inlet Diameter 3/4
Discharge 1-1/2 in FNPT
Discharge Dia. 1 1/2 in
Country of Origin (subject to change) United States

Reviews From Real Customers

MGWIZ
JG

10. Zoeller 508-0007 M98 Sump Pump & 508 Backup System

Zoeller 508-0007 M98 Sump Pump & 508 Backup System

  • Product Type: PLUMBING_FIXTURE
  • Model Number: 508-0007
  • Package Dimensions: 14.0 Lx14.0 Hx14.0 W Inches
  • Made in USA

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Details
Color Multicolor

Reviews From Real Customers

Greg D.
James L.
John E.

11. Wayne Emergency Backup Sump Pump

Wayne Emergency Backup Sump Pump

  • Assembled in the USA
  • Made with a thermoplastic housing and volute
  • 12V high flow pump
  • Battery backup for your existing pump

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Product Details

Specifications

Details
Volts 120 V
Housing Material Cast Iron
Maximum Temperature 110 F
Sump Pump Outlet Diameter 1-1/2 in.
Intake Top Suction

Reviews From Real Customers

John B.
Eric S.

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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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

Joe M.
Robert K.
Robert W.

13. 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

Reviews From Real Customers

sam95_95
Brandon
Vincent I.

14. 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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Alta Power Corp

Product Details

Specifications

Details
Warranty 3 Year Manufacturer Warranty

Reviews From Real Customers

Patrick F.
Philip P.
Timothy K.

15. 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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Newegg.com – zoro

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.

16. Zoeller – 508-0006 – Aquanot 508 Sump Pump System w/ Battery Backup

Zoeller - 508-0006 - Aquanot 508 Sump Pump System w/ Battery Backup

  • Aquanot ProPak53 is a 12 Volt DC backup sump pump systems that prevents flooding when the primary pump fails or when power is lost.
  • This complete system includes battery powered M53 series sump pump (battery not included).
  • Includes a control box with an LED screen (battery not included).

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Details
Color Multicolor

Reviews From Real Customers

Robert L.
P.P.
DeanTheDreamer

17. 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

Reviews From Real Customers

Janet
DF123
DLO

18. Zoeller 585-0005 Aquanot II Battery Backup Pedestal Sump Pump

Zoeller 585-0005 Aquanot II Battery Backup Pedestal Sump Pump

  • Interruption free pumping if main pump fails
  • Established back up battery system
  • 12 V motor with positive contact switch
  • Stainless steel shaft and column
  • Pumps water as fast as other 1/3 HP pumps

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Product Details

Specifications

Details
Min Sump Basin Size 18 Inch
Voltage 12 Volt DC
Battery Included No
Power Cord Length 6 Feet
Housing Material Stainless Steel

Reviews From Real Customers

Phil
Del V.
Carolyn M.

19. Liberty 441 Battery Back-Up Emergency Sump Pump System

Liberty 441 Battery Back-Up Emergency Sump Pump System

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Big Frog Supply

Product Details

20. Cyber Power 1500VA Sump Pump Battery Backup CY7938

Cyber Power 1500VA Sump Pump Battery Backup CY7938

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Sears

Product Details

Reviews From Real Customers

GoByMike

Conclusion

A sump pump battery backup system is a great way to ensure that your basement stays dry during a power outage. The main benefits of a battery backup system are that it will keep your basement dry even if the power goes out, and it will also provide an extra layer of protection in case your primary sump pump fails.

The best battery backup systems are those that are designed specifically for sump pumps, and that come with a warranty.

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