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Best sump pump battery backups - 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.

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

$435.99

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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
$435.99
3

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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.

OLTEANP

OLTEANP 2500W Sump Pump Battery Backup System, Pure Sine Wave Power Inverter with Charger, Backup System for Power Outage, LCD Screen Remote Controller, Automatic Switching for Grid and Battery

OLTEANP

$319.99

More Details
Main highlights
- 【Remote Controller with LCD Screen Display】- The OLTEANP sump pump battery backup with an LCD display on the remote controller, allowing you to clearly understand the battery and sump pump operating status. Additionally, it has a built-in cooling system and overload protector, as well as multiple protection functions, including overheat, short circuit, low voltage, and overcharge protection, among others. These features not only improve the safety of use but also extend the equipment's lifespan.
- 【Easy to Install】- The OLTEANP sump pump battery backup system requires no additional wiring; just assemble the AC and DC cables, which is an easy task. With multiple fixation modes, including fixed holes on the side, you can choose between flat placement or wall mounting.
- 【Designed for Basement Protection】- OLTEANP sump pump battery backup system are designed for basements to protect your home from flooding, When the power supply is normal, the pump is powered and charged automatically. When the power supply is cut off, it switches to battery power automatically, ensuring that your sump pump system operates smoothly and continuously. Whether it's a hurricane or heavy rain, the OLTEANP sump pump battery backup system can keep your basement dry at all times.
- 【Charging Mode】- The 2500W OLTEANP sump pump battery backup system has a built-in 25A battery charger that supports fast charging for various battery types, including trickle charging. The unit is suitable for deep-cycle lithium batteries, AGM batteries, and other deep-cycle battery types, but not for non-deep-cycle batteries. Additionally, OLTEANP sump pump battery backup has overcharge protection, ensuring that your battery will not suffer any damage, which greatly extends its lifespan.
- 【3 AC Outputs, 36W Type-C Port and 5V/3.1A USB Port】 - This sump pump backup system safely and effectively powers your sump pump during a power outage. and when the AC power fails, it switches to battery power and instantly recharges when the power comes back on. For convenience, it has 3 AC outlets and a USB charge port and Type-C Port. A 12V battery is required for backup power operation. The L N PE is large amps terminals if you need.
$319.99
5
Best Value
10% Off

✖
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.

Cantonape
10% Off

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

$215.99

$239.99
(10% Off)

More Details
Main highlights
- 【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.
- 【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!
- 【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.
- 【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.
- 【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!
$215.99
$239.99 (10% Off)

Best sump pump battery backups - 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

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

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

OLTEANP 2500W Sump Pump Battery Backup System, Pure Sine Wave Power Inverter with Charger, Backup System for Power Outage, LCD Screen Remote Controller, Automatic Switching for Grid and Battery

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

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