10 Best Sump Pumps With Battery Backup of 2026

Last updated on 04/05/2026
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Best Choice
1
9.9
Exceptional
Westinghouse Battery Backup Sump Pump System – 1/2 HP Dual Sump Pumps with Automatic Switchover, Stainless Steel Construction, Top Suction Design, Basement Flood Protection
Westinghouse

Westinghouse Battery Backup Sump Pump System – 1/2 HP Dual Sump Pumps with Automatic Switchover, Stainless Steel Construction, Top Suction Design, Basement Flood Protection

Why we love it
  • Reliable water removal performance.
  • Automatic backup for power outages.
  • Efficient design for easy installation.
Main Highlights
  • RELIABLE BASEMENT FLOOD PROTECTION – EVEN DURING POWER OUTAGES: The Westinghouse 1/2 HP Compact Primary and Battery Backup Sump Pump System delivers continuous water removal to keep your basement dry. The primary pump handles everyday drainage, while the battery backup automatically activates during power failures for uninterrupted protection. (Battery not included.)
  • DUAL-PUMP SYSTEM WITH AUTOMATIC EMERGENCY ACTIVATION: Features a powerful AC primary pump paired with a high-flow DC battery backup pump that instantly switches on when power is lost. Designed to provide dependable flood prevention during storms, outages, and unexpected emergencies.
  • DURABLE STAINLESS STEEL CONSTRUCTION & HEAVY-DUTY MOTOR: Both pumps feature corrosion-resistant stainless steel housings for long-lasting performance. The energy-efficient PSC motor includes thermal overload protection, lubricated ball bearings, and a sealed shaft for smooth, reliable operation.
  • TOP SUCTION DESIGN FOR MAXIMUM EFFICIENCY & RELIABILITY: Top suction intake helps prevent airlock and reduces debris buildup, allowing consistent water flow and minimizing clogging. The motor is encased in dielectric oil to improve cooling efficiency and extend pump life.
  • COMPACT, SPACE-SAVING DESIGN FOR RESIDENTIAL & COMMERCIAL USE: Engineered to fit tight sump pits, the WH50BBU is ideal for residential basements and light commercial applications. Energy-efficient operation reduces power consumption while delivering dependable water management when you need it most.
9.9
Exceptional
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🛡️Trusted by 100M+ UsersWhy?
Best Value
2
9.8
Exceptional
WAYNE - 1/2 HP Sump Pump with Integrated Vertical Float Switch and 12 Volt Battery Back Up Capability, Battery Not Included - Up to 5,100 Gallons Per Hour - Heavy Duty Basement Sump Pump System
Wayne

WAYNE - 1/2 HP Sump Pump with Integrated Vertical Float Switch and 12 Volt Battery Back Up Capability, Battery Not Included - Up to 5,100 Gallons Per Hour - Heavy Duty Basement Sump Pump System

Why we love it
  • Keeps basements dry effortlessly.
  • Quick and easy installation.
  • Durable and reliable performance.
Main Highlights
  • Indoor Use Only: This 1/2 HP WAYNE indoor sump system is perfect to keep your basement or indoor area dry during heavy water flow, even if you lose electricity; whether it’s rain, snow melting or more, WAYNE model WSS30VN can keep your basement dry
  • Back-Up Ready: WSS30VN will pump up to 5,100 GPH and remove/evacuate/expel/get rid of up to 10,000 gallons on a single battery backup charge; WAYNE WSB1275 75 AH Battery is required for back-up but not included
  • Efficient Design: Comes preassembled and ready for drop-in for easy installation in 15 minutes or less with no need to drill a weep hole; fits in 16” diameter or larger sump basins
  • Additional Features: The system has been tested to 1 million cycles for long-lasting use; comes with 8-foot SJTW power cord
  • Quality You Deserve: Proudly assembled in the USA for quality you can trust; warrantied for 3 years for dependable, efficient, & ultra-quiet performance
9.8
Exceptional
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3
9.6
Superb
The Basement Watchdog Big Combo CONNECT Preassembled Primary & Battery Backup Sump Pump System - WiFi-Capable w/Add-on Module (CITS-50)
THE BASEMENT WATCHDOG

The Basement Watchdog Big Combo CONNECT Preassembled Primary & Battery Backup Sump Pump System - WiFi-Capable w/Add-on Module (CITS-50)

Why we love it
  • Saves money on electric bills.
  • High pumping capacity options available.
  • WiFi monitoring for easy maintenance.
Main Highlights
  • ½ 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
  • Includes a WiFi-capable battery backup system that provides 24-hour-a-day monitoring of pump, power and battery conditions; backup controller will sound an alarm, illuminate a warning light and describe what to do for easy maintenance
  • Allows for connection to a Basement Watchdog CONNECT Module (BW-WiFi—a SEPARATE PURCHASE), giving you real-time alerts via text, email, push notification or through the Basement Watchdog free app
  • Provides days of intermittent pumping power on a single battery charge and is compatible with both maintenance-free AGM and wet-cell batteries. Connect two batteries in parallel for double the runtime.
9.6
Superb
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4
9.6
Superb
Zoeller 508-0005 Aquanot 508 Battery Back-Up System
Zoeller

Zoeller 508-0005 Aquanot 508 Battery Back-Up System

Why we love it
  • Efficient 12-volt operation.
  • Integrated check valve.
  • Quick disconnect discharge.
Main Highlights
  • 12 volt highly efficient noncorrosive pump construction
  • Integrated check valve
  • Quick disconnect discharge
  • Aluminum seal pocket & cooling plate
  • Hand built & 100% tested in USA
9.6
Superb
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5
9.6
Superb
2000 Watt sump pump backup battery system, automatic switchover to battery inverter power, professional backup system in case of power failure, pure sine wave output Remote controller with LCD screen
VIOPUMPO

2000 Watt sump pump backup battery system, automatic switchover to battery inverter power, professional backup system in case of power failure, pure sine wave output Remote controller with LCD screen

Why we love it
  • Pure sine wave ensures safety.
  • Fast, efficient battery charging.
  • Comprehensive protective features included.
Main Highlights
  • 【Continuous Power】 Pure Sine Wave 2000W Sump Pump Battery Backup System: The output of this system is a completely pure sine wave alternating current (AC) that produces a seamless, grid-like power output that is highly resistant to interference, can drive any type of load (resistive and inductive loads), has the highest conversion efficiency, and the lowest losses, and is therefore safer for all types of loads. Safety.
  • 【Charging Mode】The 2000W sump pump backup battery system has a built-in 25A battery charger, which supports fast charging and trickle charging for all types of batteries, and is suitable for deep-cycle lithium batteries, AGM batteries, and other deep-cycle battery types, but is not applicable to non-deep-cycle batteries. In addition, the sump pump backup battery has an overcharge protection function, your battery will not be damaged in any way, thus greatly extending the life of the battery.
  • 【Safety in Use】The Viopumpo sump pump battery backup system is equipped with a high-definition LCD remote control that allows you to clearly see the voltage, power and battery charge status. It also has a built-in cooling system and overload protector, as well as multiple protection functions such as overheat protection, short circuit protection, low voltage protection, overcharge protection, etc., which not only improves the safety of use, but also extends the service life of the device.
  • 【Easy Installation】 - Our sump pump backup battery system requires no additional wiring, just assemble the AC and DC cables and plug the sump pump into the product's AC socket. Multiple fixing options, the fixing holes on the side allow you to lay it flat or wall mount it.
  • 【Warranty】 You will receive the Viopumpo 2000W 12V sump pump spare power converter, cable, remote control and user manual. We offer a 12 month warranty on every order. If you have any questions, please contact us via e-mail!
9.6
Superb
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6
9.4
Superb
Save 8%
The Basement Watchdog Emergency Battery Backup Sump Pump - Up to 2,000 GPH - 24/7 Monitoring Controller (BWE)
THE BASEMENT WATCHDOG

The Basement Watchdog Emergency Battery Backup Sump Pump - Up to 2,000 GPH - 24/7 Monitoring Controller (BWE)

8% Off
Why we love it
  • Powerful pumping capacity.
  • User-friendly control panel.
  • Compact design for tight spaces.
Main Highlights
  • Pumps 2,000 GPH at 0 ft. of lift and 1,000 GPH at 10 ft. of lift
  • User-friendly control panel monitors pump, power and battery conditions 24/7 and provides visual and audible alarms to describe what to do for easy maintenance
  • Dual Float Switch provides twice the protection
  • Provides days of intermittent pumping power on a single battery charge
  • Compatible with both maintenance-free AGM and wet-cell batteries
  • Automatic 0.4-Amp charger
  • Compact pump can be installed even in small or narrow sump pits
  • Includes control unit, Dual Float Switch, pump with a 1½-inch PVC pipe adapter, battery box and charger (battery not included - sold separately)
  • Installation manual contains detailed instructions with more 90 pictures to guide you through the simple installation process
9.4
Superb
Save 8%
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7
9.4
Superb
VEVOR 2500W Sump Pump Battery Backup with LCD, Automatically Shifts to Inverter Power Ensuring Uninterrupted Operation, Essential for Emergencies & Power Failures
VEVOR

VEVOR 2500W Sump Pump Battery Backup with LCD, Automatically Shifts to Inverter Power Ensuring Uninterrupted Operation, Essential for Emergencies & Power Failures

Why we love it
  • Unmatched power keeps you secure.
  • Real-time display for informed control.
  • Quick installation reduces security risks.
Main Highlights
  • Unmatched Power: The VEVOR sump pump battery backup inverter features a robust 2500W output, 22.7A operating current, and dual outlets, ready to support two sump pumps at once. Even if the power goes out on a rainy day, it automatically switches to battery power to keep your sump pump working. Trust VEVOR to keep your basement secure and dry around the clock!
  • Real-Time Display: Stay informed and in control with the VEVOR sump pump battery backup system's real-time display feature! With a cutting-edge high-definition LCD screen and LED indicator lights, you can instantly monitor vital information such as voltage, power, battery level, and more. Enjoy confident and informed decision-making every step of the way!
  • Quick Plug Feature: Say goodbye to cumbersome and unsafe wiring connections! Our inverter for sump pump features a convenient 3-Pin plug design, ensuring a quick and secure installation. Not only does this avoid incorrect wiring that could damage your equipment, but it also reduces security risks, providing you with peace of mind and hassle-free operation.
  • Security Comes First: Experience peace of mind with sump pump backup battery's multi-layered security protection. From start to finish, we've got you covered, blocking potential hazards and providing reliable protection against any unforeseen risks, such as overload protection, short circuit protection, overcharge protection, overvoltage protection, overheat protection, and circuit breaker.
  • Lightning Fast Charging: With a 20A charging current, you won't be stuck waiting around. Our VEVOR sump pump battery backup power supply charges your 100AH battery in just about 5 hours – that's four times faster than a 5A charger. Get back up and running in no time with our lightning-fast charging technology.
9.4
Superb
Amazon Logo
8
9.3
Superb
The Basement Watchdog Maintenance Free (AGM) Standby Battery for Backup Sump Pumps (BW-27AGM)
THE BASEMENT WATCHDOG

The Basement Watchdog Maintenance Free (AGM) Standby Battery for Backup Sump Pumps (BW-27AGM)

Why we love it
  • Maintenance free and convenient.
  • Long-lasting protection for pumps.
  • Compatible with older systems.
Main Highlights
  • 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 48-hour protection (based on a 10% duty cycle) on the Basement Watchdog Special + (BWSP+) and Basement Watchdog Big Combination sump pump system (BW4000, CITS-50)
  • 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, CITE-33)
  • Runs various Basement Watchdog sump pump systems intermittently for days
  • Older versions, purchased before 2014 of the Basement Watchdog Special, Basement Watchdog Big Dog and Basement Watchdog Big Combo systems that include the Remote Terminal are compatible with the Basement Watchdog Maintenance Free/AGM Battery. Using a maintenance free battery with an older non-compatible system may cause false alarms.
9.3
Superb
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9
9.3
Superb
VEVOR 2000W Sump Pump Battery Backup with LCD, Automatically Shifts to Inverter Power Ensuring Uninterrupted Operation, Essential for Emergencies & Power Failures
VEVOR

VEVOR 2000W Sump Pump Battery Backup with LCD, Automatically Shifts to Inverter Power Ensuring Uninterrupted Operation, Essential for Emergencies & Power Failures

Why we love it
  • Unmatched power for reliable operation.
  • Real-time display for informed decisions.
  • Quick installation ensures safety.
Main Highlights
  • Unmatched Power: The VEVOR sump pump battery backup inverter features a robust 2000W output, 18.2A operating current, and dual outlets, ready to support two sump pumps at once. Even if the power goes out on a rainy day, it automatically switches to battery power to keep your sump pump working. Trust VEVOR to keep your basement secure and dry around the clock!
  • Real-Time Display: Stay informed and in control with the VEVOR sump pump battery backup system's real-time display feature! With a cutting-edge high-definition LCD screen and LED indicator lights, you can instantly monitor vital information such as voltage, power, battery level, and more. Enjoy confident and informed decision-making every step of the way!
  • Quick Plug Feature: Say goodbye to cumbersome and unsafe wiring connections! Our inverter for sump pump features a convenient 3-Pin plug design, ensuring a quick and secure installation. Not only does this avoid incorrect wiring that could damage your equipment, but it also reduces security risks, providing you with peace of mind and hassle-free operation.
  • Security Comes First: Experience peace of mind with sump pump backup battery's multi-layered security protection. From start to finish, we've got you covered, blocking potential hazards and providing reliable protection against any unforeseen risks, such as overload protection, short circuit protection, overcharge protection, overvoltage protection, overheat protection, and circuit breaker.
  • Lightning Fast Charging: With a 20A charging current, you won't be stuck waiting around. Our VEVOR sump pump battery backup power supply charges your 100AH battery in just about 5 hours – that's four times faster than a 5A charger. Get back up and running in no time with our lightning-fast charging technology.
9.3
Superb
Amazon Logo
10
9.2
Superb
Save 23%
Cantonape 2000W Sump Pump Backup Battery System, Automatic Switching to Battery Inverter Power, Professional Backup System in Case of Power Failure, Pure Sine Wave Output
Cantonape

Cantonape 2000W Sump Pump Backup Battery System, Automatic Switching to Battery Inverter Power, Professional Backup System in Case of Power Failure, Pure Sine Wave Output

23% Off
Why we love it
  • Continuous power during outages.
  • Fast charging for quick recovery.
  • Safety features for peace of mind.
Main Highlights
  • 【CONTINUOUS POWER】The Cantonape 2000 Watt Sump Pump Backup Battery System is a professional backup system in case of a power outage, featuring pure sine wave output, 2000 watts of powerful power output, LED display and 3 AC outputs, which produces a seamless, grid-like power output that is resistant to interference, can drive any type of load (resistive and inductive loads), has the highest conversion efficiency, and the lowest losses, and is therefore safer for all types of loads.
  • 【CHARGING MODE】The 2000W sump pump backup battery system has a built-in 20A battery charger, which supports fast charging. In the event of a power outage, this sump pump battery backup system can quickly auto-switch to battery inverter power, ensuring continuous sump pump operation.
  • 【LED DISPLAY】The Cantonape sump pump battery backup system is equipped with LED display, you can instantly monitor vital information such as battery voltage and AC voltage. Enjoy confident and informed decision-making every step of the way!
  • 【SAFETY IN USE】The Cantonape sump pump battery backup system has a built-in cooling system and overload protector, as well as multiple protection functions such as overheat protection, short circuit protection, low voltage protection, overcharge protection, etc., which not only improves the safety of use, but also extends the service life of the device.
  • 【MULTIPLE APPLICATIONS】Our sump pump battery backup system also works as a power inverter for many applications requiring backup power. You can use it to operate various electric devices, including lights, mobile phones, monitors, and other equipment. This inverter doesn't come with battery, a 12V GEL, AGM/SLA, Flooded/Wet battery is required for backup power operation.
  • 【EASY INSTALLATION】Our sump pump backup battery system requires no additional wiring, just assemble the AC and DC cables and plug the sump pump into the product's AC socket.
  • 【AFTER-SALES WARRANTY】 You will get the Cantonape 2000W 12V Sump Pump Backup Power Inverter, cables and user manual. we have 12-Months Warranty. If you have any questions, please contact us by email!
9.2
Superb
Save 23%
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Related Deals You Might Like for Sump Pumps With Battery Backup

📊We scanned 1749 products
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We reviewed the most relevant Sump Pumps With Battery Backup offers across Amazon and leading retailers, covering major brands and models. Our shortlist features trusted names like Westinghouse, Wayne, THE BASEMENT WATCHDOG, Zoeller, VIOPUMPO, VEVOR, Cantonape, known for dependable quality and smart design.
⭐
To determine today's best Sump Pumps With Battery Backup, we analyzed 8746 real customer and expert reviews, focusing on satisfaction, real-world performance and long-term reliability. We also weigh each review's relevance, authenticity and freshness for a fair comparison.

Here's what we found:

🏆 #1
Westinghouse Battery Backup Sump Pump System – 1/2 HP Dual Sump Pumps with Automatic Switchover, Stainless Steel Construction, Top Suction Design, Basement Flood Protection

Our overall winner is Westinghouse Battery Backup Sump Pump System – 1/2 HP Dual Sump Pumps with Automatic Switchover, Stainless Steel Construction, Top Suction Design, Basement Flood Protection by Westinghouse. It stands out for the right balance of quality, performance and value.

✨ What sets it apart:
✓Reliable water removal performance.
✓Automatic backup for power outages.
✓Efficient design for easy installation.
💎 Best Value
WAYNE - 1/2 HP Sump Pump with Integrated Vertical Float Switch and 12 Volt Battery Back Up Capability, Battery Not Included - Up to 5,100 Gallons Per Hour - Heavy Duty Basement Sump Pump System

The best value for most shoppers is WAYNE - 1/2 HP Sump Pump with Integrated Vertical Float Switch and 12 Volt Battery Back Up Capability, Battery Not Included - Up to 5,100 Gallons Per Hour - Heavy Duty Basement Sump Pump System by Wayne, with consistently high satisfaction across expert and customer reviews.

💰 Best Deal
Cantonape 2000W Sump Pump Backup Battery System, Automatic Switching to Battery Inverter Power, Professional Backup System in Case of Power Failure, Pure Sine Wave Output

The strongest deal right now for Sump Pumps With Battery Backup is Cantonape 2000W Sump Pump Backup Battery System, Automatic Switching to Battery Inverter Power, Professional Backup System in Case of Power Failure, Pure Sine Wave Output at Cantonape, currently at 23% off.

🔄Our Sump Pumps With Battery Backup ranking is updated regularly to reflect new releases and price changes—check back for the latest picks and deals.