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Best battery backup sump pumps - Holiday Sale 2025

Last Updated - December 14, 2025

1
Best Choice

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Wayne

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

Wayne

$568.35

More Details
Main highlights
- Quality You Deserve: Proudly assembled in the USA for quality you can trust; warrantied for 3 years for dependable, efficient, & ultra-quiet performance
- 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
- 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
- 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
- Additional Features: The system has been tested to 1 million cycles for long-lasting use; comes with 8-foot SJTW power cord
$568.35
2

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Westinghouse

Westinghouse - 1/2 HP Sump Pump Battery Backup System with Integrated Vertical Float Switch and 12 Volt Battery Backup Capability - Dual Sump Pump System, Pumps 5,200 Gallons Per Hour

Westinghouse

$509.99

More Details
Main highlights
- SUPERIOR TESTING STANDARDS: The vertical float switch has been tested over 1 million cycles - more than the competition! You can rest easy knowing that your home is protected from potential water damage.
- SAFETY MEASURE: Designed with dual check valves that prevent water backflow by creating a barrier, providing reliable safety measure that ensures one-way flow.
- RELIABLE PERFORMANCE: Our primary sump pump is equipped with a 1/2 HP motor rated for 5,200 GPH (87 gallons per minute), while our backup pump system removes water at 2,700 GPH (45 gallons per minute).
- EFFICIENT DESIGN: The metal bar connecting the pumps simplifies installation and adjustments. The volute top suction design filters debris and helps keep your 1/2 HP sump pump running quietly and efficiently.
- BACKUP READY: The battery backup water pump is designed to activate in the event of a power outage, helping keep your basement or crawlspace dry from potential high water volume due to heavy rainstorms or snow melt.
$509.99
3
Best Value

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

VIOPUMPO

2500 Watt Sump Pump Backup Battery System, Automatic Switching to Battery Inverter Power, Professional Backup System in Case of Power Failure, Pure Sine Wave Output Remote Controller with LCD Screen

VIOPUMPO

$319.99

More Details
Main highlights
- 【Warranty】 You will receive the Viopumpo 2500W 12V sump pump spare power converter, cables, 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!
- 【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.
- 【Continuous Power】 Pure Sine Wave 2500W Battery Backup System for Sump Pumps: The output of this system is completely pure sine wave alternating current (AC), 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. Safety.
- 【Charging Mode】The 2500W 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.
$319.99
4

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

THE BASEMENT WATCHDOG

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

THE BASEMENT WATCHDOG

$436.48

More Details
Main highlights
- ½ 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 maintenance-free AGM and wet-cell batteries. Connect two batteries in parallel for double the runtime.
- 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
$436.48
5

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

THE BASEMENT WATCHDOG

The Basement Watchdog Combo Preassembled Primary & Battery Backup Sump Pump System w/Monitoring Controller (CITE-33)

THE BASEMENT WATCHDOG

$332.22

More Details
Main highlights
- System comes preassembled and preplumbed so that installation is simple and quick
- Provides days of intermittent pumping power on a single battery charge
- Primary pump capacity 3,100 GPH at a 10 ft. lift and 3,720 GPH at 0 ft. lift
- Includes emergency battery backup sump pump system with 24 hour a day monitoring controller
- Fluid sensor monitors fluid level of the battery
- Dual float switches on both the primary and backup sump pump systems provide 4x the protection
- Compact design fits in pits with diameters as small as 12 in.
- Backup system capacity 1,000 GPH at 10 ft. lift and 2,000 GPH at 0 ft. lift
- 1/3 HP energy-efficient permanent split capacitor (PSC) primary pump can save money on your electric bills
- 0.4 Amp charger is compatible with Basement Watchdog wet cell and maintenance-free AGM batteries
$332.22

Best battery backup sump pumps - Holiday Sale 2025

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

Westinghouse - 1/2 HP Sump Pump Battery Backup System with Integrated Vertical Float Switch and 12 Volt Battery Backup Capability - Dual Sump Pump System, Pumps 5,200 Gallons Per Hour

2500 Watt Sump Pump Backup Battery System, Automatic Switching to Battery Inverter Power, Professional Backup System in Case of Power Failure, Pure Sine Wave Output Remote Controller with LCD Screen

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

The Basement Watchdog Combo Preassembled Primary & Battery Backup Sump Pump System w/Monitoring Controller (CITE-33)

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