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Top-10 Sump Pump Battery Backups
Loved in the USA

Handpicked for quality & trusted by thousands of customers
#1
Top Rated in the USA
WAYNE - 1
Wayne

Born in the USA

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

Fast Delivery
10.0
1 760 reviews

Solid Value from a Trusted Brand

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1 368 bought in past month
#2
THE BASEME
THE BASEMENT WATCHDOG

Born in the USA

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

Fast Delivery
10.0
593 reviews

Solid Value from a Trusted Brand

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1 266 bought in past month
Last Purchases
L***a
Austin, TX
4d ago
Da***el
Denver, CO
4d ago
Is***la
Austin, TX
3d ago
#3
Zoeller 50
Zoeller

Born in the USA

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

Fast Delivery
9.8
160 reviews

Solid Value from a Trusted Brand

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1 164 bought in past month
Premium feel at a budget-friendly price.
GabrielAustin, TX
#4
THE BASEME
THE BASEMENT WATCHDOG

Born in the USA

THE BASEMENT WATCHDOG Big Combo CONNECT Model CITS-50 ½ HP Primary and Battery Backup Sump Pump System with Smart WiFi-Capable and 24-Hour-a-Day Monitoring Controller

Fast Delivery
9.6
271 reviews

Solid Value from a Trusted Brand

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1 062 bought in past month
Curated products trusted bytrust us brands
#5
THE BASEME
THE BASEMENT WATCHDOG

Born in the USA

THE BASEMENT WATCHDOG Combo Model CITE-33 1 3 HP Primary and Battery Backup Sump Pump System with 24 Hour a Day Monitoring Controller

Fast Delivery
9.4
228 reviews

Solid Value from a Trusted Brand

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960 bought in past month
#6
The Baseme
THE BASEMENT WATCHDOG

Born in the USA

The Basement Watchdog Emergency Backup Sump Pump System (BWE) Pumps 2,000 Gallons Per Hour

12%OFF

Fast Delivery
9.1
655 reviews

Item still has Pre-Tariff price

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858 bought in past month
#7
THE BASEME
THE BASEMENT WATCHDOG

Born in the USA

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

Fast Delivery
8.9
302 reviews

Solid Value from a Trusted Brand

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756 bought in past month
#8
Zoeller 50
Zoeller

Born in the USA

Zoeller 508-0005 Aquanot 508 Battery Back-Up System

Fast Delivery
8.7
185 reviews

Solid Value from a Trusted Brand

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654 bought in past month
#9
THE BASEME
THE BASEMENT WATCHDOG

Born in the USA

THE BASEMENT WATCHDOG Model 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

Fast Delivery
8.4
102 reviews

Solid Value from a Trusted Brand

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552 bought in past month
#10
THE BASEME
THE BASEMENT WATCHDOG

Born in the USA

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

Fast Delivery
8.1
114 reviews

Solid Value from a Trusted Brand

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450 bought in past month

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THE BASEMENT WATCHDOG

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Our Top Picks

#1

Winner

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

Rating
10.0
Chosen by1,368
Run Time
Charging Time
Ease of Installation

Most important from
1760 reviews

Run Time
The DC-powered backup pump is a standout feature, capable of running all day and night on battery power without any visible drop in voltage.
Charging Time
Using a high-quality, stand-alone charger is recommended to extend battery life and prevent overcharging.
Ease of Installation
Easy installation with a preassembled design that fits snugly, though the base is quite large and may be a tight fit in smaller sumps.

The WAYNE 1/2 HP Basement Sump Pump System is designed for indoor use, making it a good choice for homeowners looking to keep their basements dry during heavy rains or snow melts. One of its standout features is its impressive pumping capability, able to handle up to 5,100 gallons per hour, which is beneficial for managing large amounts of water quickly. Additionally, the system can remove about 10,000 gallons on a single battery backup charge, ensuring your basement stays dry even during power outages, although you'll need to purchase the battery separately.

Installation is made easy with a preassembled design that allows for drop-in setup in about 15 minutes. This is a big plus for those who aren't very handy, as it requires no drilling or complex setup. The unit has been tested for durability, lasting through a million cycles, which speaks to its reliability over time. The three-year warranty adds to the peace of mind for buyers.

However, there are some considerations to keep in mind. The fact that the battery is sold separately can be inconvenient and adds to the overall cost. Plus, it's important to note that this model is designed strictly for indoor use, which might not suit those looking for a more versatile option for outdoor spaces. With a maximum lifting height of 20 feet, it should meet the needs of most basements, but some may find it lacking in certain extreme conditions.

Rating
10.0
Chosen by1,368
Run Time
Charging Time
Ease of Installation

Most important from
1760 reviews

Run Time
The DC-powered backup pump is a standout feature, capable of running all day and night on battery power without any visible drop in voltage.
Charging Time
Using a high-quality, stand-alone charger is recommended to extend battery life and prevent overcharging.
Ease of Installation
Easy installation with a preassembled design that fits snugly, though the base is quite large and may be a tight fit in smaller sumps.
#2

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

Rating
10.0
Battery Capacity
Pump Compatibility
Charging Time

Most important from
593 reviews

Battery Capacity
This battery is a lifesaver, especially during power outages that cause basement flooding.
Pump Compatibility
Works perfectly with the Watchdog sump pump system and was easy to install.
Charging Time
Super secure packaging and comes fully charged, ready for use.
Ease of Installation
Works perfectly with the Watchdog sump pump system and was easy to install.

The BASEMENT WATCHDOG Model BW-27AGM is a maintenance-free sump pump battery, which means you don't need to add any battery fluid or distilled water, making it hassle-free to use. It offers significant protection duration, with up to 40 hours for the Big Dog system, up to 48 hours for the Special + and Big Combination systems, and up to 80 hours for the Emergency and Combination systems, assuming a 10% duty cycle. This makes it highly reliable during power outages.

The battery is compatible with various Basement Watchdog sump pump systems, including older versions purchased before 2014, provided they have a Remote Terminal. However, using it with older non-compatible systems might trigger false alarms, which is something to consider. The battery is a sealed lead acid type, which is known for its durability and safety.

The ease of installation is generally good, but its weight of 22.6 kg (about 49.7 pounds) might make handling it a bit challenging for some users. It comes with a 12V battery included, which is convenient. In terms of drawbacks, the battery's weight could be a factor, and it may not be compatible with all older systems, possibly causing false alarms. For those with compatible systems, it provides a robust and maintenance-free power backup solution.

Rating
10.0
Battery Capacity
Pump Compatibility
Charging Time

Most important from
593 reviews

Battery Capacity
This battery is a lifesaver, especially during power outages that cause basement flooding.
Pump Compatibility
Works perfectly with the Watchdog sump pump system and was easy to install.
Charging Time
Super secure packaging and comes fully charged, ready for use.
Ease of Installation
Works perfectly with the Watchdog sump pump system and was easy to install.
#3

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

Rating
9.8
Pump Compatibility
Alarm System
Ease of Installation

Most important from
160 reviews

Pump Compatibility
The main pump and backup system perform seamlessly, providing a dependable solution for sump applications.
Alarm System
Works flawlessly, with the side pump and alarm functioning exactly as they should.
Ease of Installation
The installation was straightforward, even for a first-timer, and everything fit perfectly without any cutting.

The Zoeller 508-0006 Aquanot 508 ProPak53 is a dependable sump pump battery backup system designed to protect your home from flooding when the primary pump fails, especially during power outages. One of its key strengths is the fully assembled setup, which makes installation straightforward for most users. You get a 115-volt pump and a backup system that includes essential components like a check valve and float switch, ensuring that you have everything you need in one package.

The battery capacity and the solid-state automatic charger/controller are noteworthy features that enhance its reliability. The system also comes with an alarm, light indicator, and warning system that can alert you in case of issues, providing an extra layer of protection. With a maximum flow rate of 43 gallons per minute, it can handle a good amount of water, making it suitable for various sump applications.

There are a few considerations to keep in mind. The need for a 12V battery can be a drawback if you haven’t invested in one yet, and the runtime will depend on your battery's capacity, which could vary based on how often the backup pump is engaged. Furthermore, while the pump is efficient, some may find the maximum flow rate slightly lower compared to other models on the market, which could be a concern for larger basements or more significant water issues.

Rating
9.8
Pump Compatibility
Alarm System
Ease of Installation

Most important from
160 reviews

Pump Compatibility
The main pump and backup system perform seamlessly, providing a dependable solution for sump applications.
Alarm System
Works flawlessly, with the side pump and alarm functioning exactly as they should.
Ease of Installation
The installation was straightforward, even for a first-timer, and everything fit perfectly without any cutting.

Buying Guide for the Best Sump Pump Battery Backups

Choosing the right sump pump battery backup is crucial to ensure your basement stays dry during power outages or pump failures. A sump pump battery backup system provides an additional layer of protection by keeping your sump pump running when the primary power source is unavailable. To make an informed decision, you need to understand the key specifications and how they relate to your specific needs. Here are the essential specs to consider when selecting a sump pump battery backup system.
Battery TypeThe battery type is important because it determines the longevity and reliability of the backup system. Common types include lead-acid, AGM (Absorbent Glass Mat), and lithium-ion batteries. Lead-acid batteries are cost-effective but require regular maintenance. AGM batteries are maintenance-free and have a longer lifespan than lead-acid batteries. Lithium-ion batteries are the most advanced, offering the longest lifespan and highest efficiency, but they are also the most expensive. Choose a battery type based on your willingness to perform maintenance and your need for long-term reliability.
Battery CapacityBattery capacity, measured in ampere-hours (Ah), indicates how long the battery can power the sump pump. A higher capacity means the battery can run the pump for a longer period during a power outage. For small basements or areas with low water inflow, a battery with a capacity of 40-60 Ah may suffice. For larger basements or areas with high water inflow, consider a battery with a capacity of 75-100 Ah or more. Assess the size of your basement and the typical water inflow to determine the appropriate battery capacity for your needs.
Pump CompatibilityPump compatibility ensures that the battery backup system works seamlessly with your existing sump pump. Some battery backup systems are designed to work with specific brands or models, while others are more universal. Check the specifications of your sump pump and the battery backup system to ensure they are compatible. If you are unsure, consult the manufacturer or a professional to avoid any compatibility issues.
Run TimeRun time refers to how long the battery backup can keep the sump pump running during a power outage. This is crucial for areas prone to extended power outages. Run time is influenced by battery capacity and the power consumption of your sump pump. For short outages, a run time of 4-6 hours may be sufficient. For longer outages, look for systems that offer 8-12 hours or more of run time. Consider the frequency and duration of power outages in your area to determine the necessary run time.
Charging TimeCharging time is the duration it takes for the battery to recharge fully after being depleted. Faster charging times are beneficial as they ensure the battery is ready for the next power outage sooner. Charging times can vary from a few hours to over 24 hours, depending on the battery type and charger. If you live in an area with frequent power outages, opt for a battery backup system with a shorter charging time to ensure continuous protection.
Alarm SystemAn alarm system alerts you when the battery backup is activated or if there is an issue with the sump pump. This feature is important for timely intervention and maintenance. Alarms can be audible, visual, or even connected to your smartphone for remote notifications. Choose a system with an alarm that suits your preferences and ensures you are promptly informed of any issues.
Ease of InstallationEase of installation refers to how simple it is to set up the battery backup system with your existing sump pump. Some systems are designed for DIY installation, while others may require professional assistance. If you are comfortable with basic electrical work, a DIY-friendly system may be suitable. Otherwise, consider a system that offers professional installation services to ensure proper setup and functionality.

FAQ