10 Best Sump Pump Batteries
for May 2022

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1
9.6
SCORE
WAYNE ESP15 Battery Back-Up 12 Volt Sump Pump System

WAYNE ESP15 Battery Back-Up 12 Volt Sump Pump System

by Wayne
What We like

Requires one 40-ampere hour or one 75-ampere hour battery

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Product Features

  • 720-Gallons per hour at 10-feet of lift and maximum flow is 1750 gallons per hour
  • Alarm sounds to notify you when the backup system is active
  • Corrosion resistant thermoplastic construction

Alarm sounds to notify you when the backup system is active Corrosion resistant thermoplastic construction 720-gallons per hour at 10-feet of lift and maximum flow is 1750 gallons per hour

2
9.6
SCORE
THE BASEMENT WATCHDOG Model BW-27AGM Maintenance Free (AGM) Sump Pump Battery

THE BASEMENT WATCHDOG Model BW-27AGM Maintenance Free (AGM) Sump Pump Battery

by Glentronics Inc
What We like

Runs various Basement Watchdog sump pump systems intermittently for days

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Product Features

  • Up to 40-hour protection (based on a 10% duty cycle) on the Basement Watchdog Big Dog (BWD12-120C+)
  • Up to 80-hour protection (based on a 10% duty cycle) on the Basement Watchdog Emergency (BWE) and Basement Watchdog Combination sump pump system (DFK961)
  • Maintenance free - no need to add battery fluid or distilled water
  • Up to 48-hour protection (based on a 10% duty cycle) on the Basement Watchdog Special + (BWSP+) and Basement Watchdog Big Combination sump pump system (BW4000)

Up to 80-hour protection (based on a 10% duty cycle) on the basement watchdog emergency (bwe) and basement watchdog combination sump pump system (dfk961) Up to 48-hour protection (based on a 10% duty cycle) on the basement watchdog special + (bwsp+) and basement watchdog big combination sump pump system (bw4000) Maintenance free - no need to add battery fluid or distilled water Up to 40-hour protection (based on a 10% duty cycle) on the basement watchdog big dog (bwd12-120c+)

3
9.4
SCORE
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

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

by Glentronics
What We like

User-friendly control panel lights up with a warning and describes what to do for easy maintenance

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Product Features

  • 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
  • Pumps 2,500 GPH at 0 ft. of lift and 1,730 GPH at 10 ft. of lift
  • A sensor monitors battery fluid levels for increased piece of mind

Compact pump can be installed even in small or narrow sump pits A sensor monitors battery fluid levels for increased piece of mind Pumps 2,500 gph at 0 ft. of lift and 1,730 gph at 10 ft. of lift Includes controller, charger, dual float switch, pump and battery box (battery sold separately)

4
9.3
SCORE
THE BASEMENT WATCHDOG Big Combo CONNECT Model CITS-50 1/2 HP Primary and Battery Backup Sump Pump System with Smart WiFi Capable and 24 Hour a Day Monitoring Controller

THE BASEMENT WATCHDOG Big Combo CONNECT Model CITS-50 1/2 HP Primary and Battery Backup Sump Pump System with Smart WiFi Capable and 24 Hour a Day Monitoring Controller

by Glentronics
What We like

Includes a WiFi capable battery backup system that provides 24 hours a day monitoring of pump, power and battery conditions, backup controller will sound an alarm, illuminates a warning light and describe what to do for easy maintenance

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Product Features

  • 1/2 HP energy efficient permanent split capacitor (PSC) primary pump can save money on your electric bills
  • Primary pump capacity 3,540 GPH at a 10 Ft. lift and 4,400 GPH at 0 Ft. lift. Backup system capacity 1,850 GPH at 10 Ft. lift and 2,600 GPH at 0 Ft. lift
  • Allows for connection to a Basement Watchdog CONNECT Module (BW-WiFi or BW-HZM), giving you real time alerts via text, email, or through the Basement Watchdog App
  • Provides days of intermittent pumping power on a single battery charge and is compatible with both wet cell and maintenance-free AGM batteries. Connect two batteries in parallel for double the run time

Allows for connection to a basement watchdog connect module (bw-wifi or bw-hzm), giving you real time alerts via text, email, or through the basement watchdog app 1/2 hp energy efficient permanent split capacitor (psc) primary pump can save money on your electric bills Primary pump capacity 3,540 gph at a 10 ft. lift and 4,400 gph at 0 ft. lift. backup system capacity 1,850 gph at 10 ft. lift and 2,600 gph at 0 ft. lift Provides days of intermittent pumping power on a single battery charge and is compatible with both wet cell and maintenance-free agm batteries. connect two batteries in parallel for double the run time

5
8.9
SCORE
Zoeller 508-0006 Aquanot 508 ProPak53 Preassembled Sump Pump System with Battery Back-Up

Zoeller 508-0006 Aquanot 508 ProPak53 Preassembled Sump Pump System with Battery Back-Up

by Zoeller
What We like

Comes fully assembled and ready to install in your clear water sump

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Product Features

  • Includes: Model 53 115-volt pump, Model 508 Aqua not, 115 Volt DC backup system with pump, check valve, float switch and piping
  • Extra protection when the primary AC pump fails due to power outages
  • Plumbed in 1-1/2" Such 40 PVC pipe
  • Fully solid state automatic 10A charger/controller with alarm, light indicator and warning system

Extra protection when the primary ac pump fails due to power outages Plumbed in 1-1/2" such 40 pvc pipe Fully solid state automatic 10a charger/controller with alarm, light indicator and warning system Includes: model 53 115-volt pump, model 508 aqua not, 115 volt dc backup system with pump, check valve, float switch and piping

6
8.8
SCORE
THE BASEMENT WATCHDOG Model No. BWD12-120 Big Dog CONNECT 3,500 GPH at 0 ft. and 2,200 GPH at 10 ft. Battery Backup Sump Pump System with Smart WiFi Capable Monitoring Controller and 20 Amp Charger

THE BASEMENT WATCHDOG Model No. BWD12-120 Big Dog CONNECT 3

500 GPH at 0 ft. and 2, 200 GPH at 10 ft. Battery Backup Sump Pump System with Smart WiFi Capable Monitoring Controller and 20 Amp Charger

by Glentronics
What We like

Powerful 20 amp multistage smart charger charges the battery quickly and shuts off completely to prolong battery life

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Product Features

  • Remote terminal allows the ability to connect with a home security system, or other device
  • USB port allows for connection to a Basement Watchdog WiFi (BW-WiFi) or home automation (BW-HZM) module, allowing you to receive real time alerts while away from home (text, email, or through the Basement Watchdog App)
  • Pumps 2,200 GPH at 10 ft. lift and 3,500 GPH at 0 ft. lift
  • User-friendly control panel provides 24 hour a day monitoring, detects irregularities, sounds an alarm, and pinpoints problems and solutions

User-friendly control panel provides 24 hour a day monitoring, detects irregularities, sounds an alarm, and pinpoints problems and solutions Remote terminal allows the ability to connect with a home security system, or other device Usb port allows for connection to a basement watchdog wifi (bw-wifi) or home automation (bw-hzm) module, allowing you to receive real time alerts while away from home (text, email, or through the basement watchdog app) Pumps 2,200 gph at 10 ft. lift and 3,500 gph at 0 ft. lift

7
8.7
SCORE
Superior Pump 92910 12V Battery Back Up Submersible Sump Pump with Vertical Switch

Superior Pump 92910 12V Battery Back Up Submersible Sump Pump with Vertical Switch

by Superior Pump
What We like

Superior Pumps are Built to Last, engineered with quality components and are 100% factory tested

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Product Features

  • 1-1/4 inch or 1-1/2 inch NPT discharge for high capacity pumping
  • Tough thermoplastic construction; 10-foot cord length
  • 12 Volt Sump pump moves up to 1,380 gallons per hour; pump will lift water up to 25' of vertical height
  • Vertical float switch to automatically turn the pump on/off

1-1/4 inch or 1-1/2 inch npt discharge for high capacity pumping Vertical float switch to automatically turn the pump on/off 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

8
7.5
SCORE
Basement Sentry Battery Backup Sump Pump System Combo (Pre-Assembled) Primary Sump Pump and Battery Back-up Pump, Controller, Alarm System, Charger, Float Switch and Battery Box

Star Basement Sentry Battery Backup Sump Pump System Combo (Pre-Assembled) Primary Sump Pump and Battery Back-up Pump

Controller, Alarm System, Charger, Float Switch and Battery Box

by Star Water Systems
What We like

Provides additional protection against basement flooding when the power goes out

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Product Features

  • No battery acid maintenance when used with Basement Sentry STB75B battery (sold separately)
  • Model STBC101 pre-assembled back up sump pump system combo
  • Battery box extends battery life and 2x faster battery charger keeps system ready
  • Includes high-performance primary sump pump and battery back-up sump pump, controller, alarm system, battery charger, float switch and battery box

Includes high-performance primary sump pump and battery back-up sump pump, controller, alarm system, battery charger, float switch and battery box Model stbc101 pre-assembled back up sump pump system combo Battery box extends battery life and 2x faster battery charger keeps system ready No battery acid maintenance when used with basement sentry stb75b battery (sold separately)

9
7.5
SCORE
THE BASEMENT WATCHDOG Model DFK961 1/3 HP Combination Submersible Sump Pump with Cast Iron / Cast Aluminum Primary Sump Pump and a 24 Hour a Day Monitoring Emergency Battery Backup Sump Pump System

THE BASEMENT WATCHDOG Model DFK961 1

3 HP Combination Submersible Sump Pump with Cast Iron, Cast Aluminum Primary Sump Pump and a 24 Hour a Day Monitoring Emergency Battery Backup Sump Pump System

by Glentronics
What We like

Pre-assembled system allowing for easy installation with little or no plumbing knowledge necessary

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Product Features

  • HP energy efficient permanent split capacitor (PSC) primary pump saves money on your electric bills
  • Automatic 0.4 amp charger
  • Compatible with both wet cell and maintenance-free AGM batteries
  • Includes the Basement Watchdog Emergency Battery Backup System with unique monitoring that sounds an alarm, illuminates a warning light and describes what to do for easy maintenance
  • Dual float switches on both the primary and backup systems provide 4X the protection

Provides days of intermittent pumping power on a single battery charge Includes the basement watchdog emergency battery backup system with unique monitoring that sounds an alarm, illuminates a warning light and describes what to do for easy maintenance Primary pump capacity 3,100 gph at a 10 ft. lift and 3,700 gph at 0 ft. lift Backup system capacity 1,000 gph at 10 ft. lift and 2,000 gph at 0 ft. lift hp energy efficient permanent split capacitor (psc) primary pump saves money on your electric bills Automatic 0.4 amp charger Compatible with both wet cell and maintenance-free agm batteries Fluid sensor monitors fluid level of the battery Dual float switches on both the primary and backup systems provide 4x the protection

10
7.5
SCORE
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 (This Item Has Been Discontinued by the Manufacturer - See Replacement Model C

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 (This Item Has Been Discontinued by the Manufacturer

See Replacement Model C

by Glentronics
What We like

Back-up features unique monitoring systems to diagnose problems and sound an alarm

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Product Features

  • Package contains: Controller, charger, two dual micro reed float switches, primary pump and backup pump, instruction manual (battery and acid sold separately)
  • Compact, fits in pits as small as 12-Inch in diameter.
  • Back-up starts immediately after loss of power or if flow of water is too great for the AC pump alone

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 Compact, fits in pits as small as 12-inch in diameter.

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