Top 10 Battery Sump Pumps
for August 2022

Recommendations are independently chosen by MOOZ’s editors. Purchases you make through our links may earn us a commission.

1
9.7
SCORE
THE BASEMENT WATCHDOG Model 30HDC140S Big Standby Sump Pump Battery

THE BASEMENT WATCHDOG Model 30HDC140S Big Standby Sump Pump Battery

by Glentronics, Inc.
What We like

Can be easily and safely filled with a 6 qt. battery fluid pack (sold separately Model # Z-PACK)

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Product Features

  • Shipped without battery fluid to remain fresh until activated
  • Provides longer run times than the Basement Watchdog Emergency Standby Battery (model 24EP6)
  • Accommodates the Basement Watchdog fluid sensor to sound an alarm when distilled water is needed
  • Pumps intermittently for days to help protect your basement
  • Compatible with any Basement Watchdog battery backup sump pump system

Compatible with any basement watchdog battery backup sump pump system Shipped without battery fluid to remain fresh until activated Accommodates the basement watchdog fluid sensor to sound an alarm when distilled water is needed Provides longer run times than the basement watchdog emergency standby battery (model 24ep6) Pumps intermittently for days to help protect your basement

2
9.5
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

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

by Glentronics
What We like

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

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Product Features

  • 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)

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

3
9.5
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 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+)
  • 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 40-hour protection (based on a 10% duty cycle) on the basement watchdog big dog (bwd12-120c+) 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 80-hour protection (based on a 10% duty cycle) on the basement watchdog emergency (bwe) and basement watchdog combination sump pump system (dfk961)

4
9.5
SCORE
Superior Pump 92900 12V Battery Back Up Submersible Sump Pump with Tethered Switch

Superior Pump 92900 12V Battery Back Up Submersible Sump Pump with Tethered 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
  • Tethered 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

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

5
8.9
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

  • 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
  • Remote terminal allows the ability to connect with a home security system, or other device

Pumps 2,200 gph at 10 ft. lift and 3,500 gph at 0 ft. lift Remote terminal allows the ability to connect with a home security system, or other device User-friendly control panel provides 24 hour a day monitoring, detects irregularities, sounds an alarm, and pinpoints problems and solutions 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)

6
8.9
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
  • 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 Alarm sounds to notify you when the backup system is active

7
8.9
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

  • 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
  • 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
  • 1/2 HP energy efficient permanent split capacitor (PSC) primary pump can save money on your electric bills

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 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 1/2 hp energy efficient permanent split capacitor (psc) primary pump can save money on your electric bills 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

8
8.7
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

  • Plumbed in 1-1/2" Such 40 PVC pipe
  • Extra protection when the primary AC pump fails due to power outages
  • Includes: Model 53 115-volt pump, Model 508 Aqua not, 115 Volt DC backup system with pump, check valve, float switch and piping
  • 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

9
8.7
SCORE
PumpSpy PS2000 WiFi Battery Backup Sump Pump System with Internet Monitoring & Alerts

PumpSpy PS2000 WiFi Battery Backup Sump Pump System with Internet Monitoring & Alerts

by PumpSpy Technology
What We like

PumpSpy products are made in USA from domestic and imported parts

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Product Features

  • PumpSpy computers watch your main sump pump, backup pump and battery automatically, 24/7 and run system tests 3X per week.
  • Works with any 120-Volt primary sump pump! Simply plug your sump pump into the 120-Volt outlet on the PumpSpy controller for PumpSpy to start watching your sump pump.
  • Free monitoring included! No monthly charges or subscriptions required. Connects to your WiFi for data connection.
  • Get instant alerts on your phone with the FREE PumpSpy app. Check on your pumps from anywhere with your mobile device.

Free monitoring included! no monthly charges or subscriptions required. connects to your wifi for data connection. Works with any 120-volt primary sump pump! simply plug your sump pump into the 120-volt outlet on the pumpspy controller for pumpspy to start watching your sump pump. Get instant alerts on your phone with the free pumpspy app. check on your pumps from anywhere with your mobile device. Pumpspy computers watch your main sump pump, backup pump and battery automatically, 24/7 and run system tests 3x per week.

10
8.5
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

  • Compact pump can be installed even in small or narrow sump pits
  • Includes controller, charger, dual float switch, pump and battery box (battery sold separately)
  • 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

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

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