This highly efficient and reliable backup sump pump battery is specifically designed to deliver optimal and consistent power to your sump pump during outages and emergencies. Made with advanced technology for long-lasting durability, this battery ensures your sump pump remains operational, preventing basement flooding in case of a power cut or primary sump pump failure.
Featuring quick and easy installation, this battery functions seamlessly with most standard sump pump systems. Its robust construction guarantees excellent drainage performance while the sealed lead-acid design offers a maintenance-free operation. This high-capacity battery is rechargeable, providing up to several hours of continuous power supply, depending on the demands of your pump.
Other key features include overcharge protection which extends the lifespan of the battery, and a built-in battery status indicator, so you can monitor the battery life and avoid unexpected failures. Keep your basement dry and your home protected with this premium battery for backup sump pumps. When it comes to efficient and reliable solutions for your home, it’s a must-have investment.
Our 10 Best Battery For Backup Sump Pump, Expert-Recommended Picks
1#. 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
Features
Pumps 2,500 GPH at 0 ft. of lift and 1,730 GPH at 10 ft. of lift
User-friendly control panel lights up with a warning and describes what to do for easy maintenance
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
2#. 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
Features
1/2 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 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
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
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
NO ADDITIONAL COST: You pay $0 for repairs – parts, labor and shipping included.
COVERAGE: Plan starts on the date of purchase. Drops, spills and cracked screens due to normal use covered for portable products and power surges covered from day one. Malfunctions covered after the manufacturer’s warranty.
EASY CLAIMS PROCESS: File a claim anytime online at www.Asurion.com/Amazon or by phone. Most claims approved within minutes. If we can’t repair it, we’ll send you an Amazon e-gift card for the purchase price of your covered product or replace it.
MORE DETAILS: Additional information about this protection plan is available within the “Product guides and documents” section. Simply click “User Guide” for more info. Asurion will also email your plan confirmation with Terms & Conditions to the address associated with your Amazon account within 24 hours of purchase (if you do not see this email, please check your spam folder). Contact us if you cannot locate your plan confirmation and Terms & Conditions via email at [email protected].
3#. THE BASEMENT WATCHDOG Model 30HDC140S Big Standby Sump Pump Battery
Features
Compatible with any Basement Watchdog battery backup sump pump system
Pumps intermittently for days to help protect your basement
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
Shipped without battery fluid to remain fresh until activated
Can be easily and safely filled with a 6 qt. battery fluid pack (sold separately Model # Z-PACK)
1 year warranty
NO ADDITIONAL COST: You pay $0 for repairs – parts, labor and shipping included.
COVERAGE: Plan starts on the date of purchase. Drops, spills and cracked screens due to normal use covered for portable products and power surges covered from day one. Malfunctions covered after the manufacturer’s warranty.
EASY CLAIMS PROCESS: File a claim anytime online at www.Asurion.com/Amazon or by phone. Most claims approved within minutes. We will send you an Amazon e-gift card for the purchase price of your covered product. In some cases, we will replace or repair it.
MORE DETAILS: Additional information about this protection plan is available within the “Product guides and documents” section. Simply click “User Guide” for more info. Asurion will also email your plan confirmation with Terms & Conditions to the address associated with your Amazon account within 24 hours of purchase (if you do not see this email, please check your spam folder). Contact us if you cannot locate your plan confirmation and Terms & Conditions via email at [email protected].
4#. THE BASEMENT WATCHDOG Combo Model CITE-33 1/3 HP Primary and Battery Backup Sump Pump System with 24 Hour a Day Monitoring Controller
Features
Pre-assembled system allowing for easy installation with little or no plumbing knowledge necessary
1/3 HP energy efficient permanent split capacitor (PSC) primary pump can save money on your electric bills
Primary pump capacity 3,100 GPH at a 10 ft. lift and 3,720 GPH at 0 ft. lift
Backup system capacity 1,000 GPH at 10 ft. lift and 2,000 GPH at 0 ft. lift
Includes emergency battery backup sump pump system with 24 hour a day monitoring controller
Dual float switches on both the primary and backup sump pump systems provide 4x the protection
Provides days of intermittent pumping power on a single battery charge
NO ADDITIONAL COST: You pay $0 for repairs – parts, labor and shipping included.
COVERAGE: Plan starts on the date of purchase. Drops, spills and cracked screens due to normal use covered for portable products and power surges covered from day one. Malfunctions covered after the manufacturer’s warranty.
EASY CLAIMS PROCESS: File a claim anytime online at www.Asurion.com/Amazon or by phone. Most claims approved within minutes. If we can’t repair it, we’ll send you an Amazon e-gift card for the purchase price of your covered product or replace it.
MORE DETAILS: Additional information about this protection plan is available within the “Product guides and documents” section. Simply click “User Guide” for more info. Asurion will also email your plan confirmation with Terms & Conditions to the address associated with your Amazon account within 24 hours of purchase (if you do not see this email, please check your spam folder). Contact us if you cannot locate your plan confirmation and Terms & Conditions via email at [email protected].
5#. Basement Watchdog BWE 1000 Gallons Per Hour Basement Watchdog Emergency Back-Up Sump Pump
Features
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 hours a day and provides visual and audible alarms to describe what to do for easy maintenance
Dual float switch provides 2 times the protection
Provides days of intermittent pumping power on a single battery charge
Fluid sensor monitors fluid level of the battery
Compatible with both wet cell and maintenance-free AGM batteries
Automatic 0.4 Amp charger
Includes repairs, parts, labor and Transport
COVERAGE: Plan starts on the date of purchase. Drops, spills and cracked screens due to normal use covered for portable products and power surges covered from day one. Malfunctions covered after the manufacturer’s warranty.
EASY CLAIMS PROCESS: File a claim anytime online. Most claims approved within minutes. If we can’t repair it, we’ll send you an Amazon e-gift card for the purchase price of your covered product or replace it.
MORE DETAILS: Additional information about this protection plan is available within the “Product guides and documents” section. Simply click “User Guide” for more info. Asurion will also email your plan confirmation with Terms & Conditions to the address associated with your Amazon account within 24 hours of purchase (if you do not see this email, please check your spam folder).
6#. THE BASEMENT WATCHDOG Model BW-27AGM Maintenance Free (AGM) Sump Pump Battery
Features
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
NO ADDITIONAL COST: You pay $0 for repairs – parts, labor and shipping included.
COVERAGE: Plan starts on the date of purchase. Drops, spills and cracked screens due to normal use covered for portable products and power surges covered from day one. Malfunctions covered after the manufacturer’s warranty.
EASY CLAIMS PROCESS: File a claim anytime online at www.Asurion.com/Amazon or by phone. Most claims approved within minutes. If we can’t repair it, we’ll send you an Amazon e-gift card for the purchase price of your covered product or replace it.
MORE DETAILS: Additional information about this protection plan is available within the “Product guides and documents” section. Simply click “User Guide” for more info. Asurion will also email your plan confirmation with Terms & Conditions to the address associated with your Amazon account within 24 hours of purchase (if you do not see this email, please check your spam folder). Contact us if you cannot locate your plan confirmation and Terms & Conditions via email at [email protected].
7#. PumpSpy 2000W Primary Safe Back Up System for Emergency and Power Outage, Superior Home Silent Sump Pump Backup Power Supply with Intelligent Cooling
Features
CUTTING-EDGE TECHNOLOGY: The Primary Sump Pump Backup Power System provides overcharge prevention. Once fully charged, the battery is maintained with a “trickle charge” to ensure it remains fully powered and ready for use. This item also includes a smart cooling feature for enhanced safety and extended life expectancy.
HIGH PERFORMANCE: Never again worry about your basement during power outages! Our efficient backup unit generates a Pure Sine Wave 120 VAC voltage that is cleaner, quieter, and more stable. It has a 2000 Watt output and can power two primary sump pumps simultaneously with a combined current draw not exceeding 16.6 Amps.
EXCELLENT RELIABILITY: The Primary Sump Pump Backup Power System safely and effectively powers your sump pump during a power outage. When the AC power fails, it switches to battery power and instantly recharges when the power comes back on. For convenience, it has two grounded outlets and a USB Charge Port.
STURDY CONSTRUCTION: We build our items to last and take great pride in our product’s quality. This item is assembled, tested, and packaged in Kalamazoo, Michigan, with both domestic and imported parts that are CE-certified for electrical safety compliance. It measures 17.5 x 6.75 x 4 inches and weighs 10.5 pounds.
MULTIPLE APPLICATIONS: The Primary Sump Pump Backup Power 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. The system comes complete for hassle-free installation.
NO ADDITIONAL COST: You pay $0 for repairs – parts, labor and shipping included.
COVERAGE: Plan starts on the date of purchase. Drops, spills and cracked screens due to normal use covered for portable products and power surges covered from day one. Malfunctions covered after the manufacturer’s warranty.
EASY CLAIMS PROCESS: File a claim anytime online at www.Asurion.com/Amazon or by phone. Most claims approved within minutes. If we can’t repair it, we’ll send you an Amazon e-gift card for the purchase price of your covered product or replace it.
MORE DETAILS: Additional information about this protection plan is available within the “Product guides and documents” section. Simply click “User Guide” for more info. Asurion will also email your plan confirmation with Terms & Conditions to the address associated with your Amazon account within 24 hours of purchase (if you do not see this email, please check your spam folder). Contact us if you cannot locate your plan confirmation and Terms & Conditions via email at [email protected].
8#. 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
Features
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
NO ADDITIONAL COST: You pay $0 for repairs – parts, labor and shipping included.
COVERAGE: Plan starts on the date of purchase. Drops, spills and cracked screens due to normal use covered for portable products and power surges covered from day one. Malfunctions covered after the manufacturer’s warranty.
EASY CLAIMS PROCESS: File a claim anytime online at www.Asurion.com/Amazon or by phone. Most claims approved within minutes. If we can’t repair it, we’ll send you an Amazon e-gift card for the purchase price of your covered product or replace it.
MORE DETAILS: Additional information about this protection plan is available within the “Product guides and documents” section. Simply click “User Guide” for more info. Asurion will also email your plan confirmation with Terms & Conditions to the address associated with your Amazon account within 24 hours of purchase (if you do not see this email, please check your spam folder). Contact us if you cannot locate your plan confirmation and Terms & Conditions via email at [email protected].
9#. Wayne WSB1275-75Ah Maintenance-Free Battery – Recommended ESP25n, WSS30Vn Basement Guardian Back-Up Sump Pump Systems
Features
Always Have a Plan – Wayne WSB1275 battery helps keep your basement sump system running, especially when you lose electricity.
Back-Up Ready – Compatible with the Wayne ESP25n, Wayne WSS30Vn, Wayne Basement Guardian, and all other Wayne battery back-up systems.
Fully Charged – 12V/75Ah sealed battery comes fully charged with carry handles for convenience.
Additional Features – Sealed lead acid battery is easy to install or remove. Battery is rechargeable for repeated use. No need to mix acid and add water – this battery is maintenance free!
Quality You Deserve – 1-year limited warranty for dependable performance.
NO ADDITIONAL COST: You pay $0 for repairs – parts, labor and shipping included.
COVERAGE: Plan starts on the date of purchase. Power surge is covered from day one. If portable, drops, spills and cracked screens due to normal use are covered from day one. Malfunctions covered after the manufacturer’s warranty.
EASY CLAIMS PROCESS: File a claim anytime online at www.Asurion.com/Amazon or by phone. Most claims approved within minutes. If we can’t repair it, we’ll send you an Amazon e-gift card for the purchase price of your covered product or replace it.
TERMS & DETAILS: More information about this protection plan is available within the “Product guides and documents” section. Simply click “User Guide” for more info. Terms & Conditions will be available in Your Orders on Amazon. Asurion will also email your plan confirmation with Terms & Conditions to the address associated with your Amazon account within 24 hours of purchase.
10#. Miumoon 1500W Primary Sump Pump Battery Backup, LCD Display, Auto Switches for Continuous Sump Pump Operation, Sump Pump Backup Power System for Emergency and Power Outage
Features
【Design for Basement Protection】Miumoon 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 Miumoon sump pump battery backup system can handle extreme weather conditions, keeping your basement as dry as ever
【Excellent Performance】Miumoon sump pump battery backup system output power is up to 1500 Watt and output current can operate at a maximum current of 13.6 amps, it is easy to running both single and double pump systems, saving you valuable time and cost, Miumoon sump pump battery backup is ideal choice for handling basement sewage, and enjoy a clean, pollution-free environment with ease.
【Charging mode】1500W sump pump battery backup system has a built-in 20A battery charger that supports fast charging for various battery types, trickle charging and the unit is suitable for deep-cycle lithium batteries, AGM batteries and other deep-cycle battery types, but not for non-deep-cycle batteries. In addition, Miumoon sump pump battery backup have overcharge protection, your battery will not suffer any damage, which greatly extends your battery life.
【Safety Use】Miumoon sump pump battery backup has a LCD display on side, which allows you to clearly understand the battery and sump pump operating status. Additionally, It also has a built-in cooling system and overload protector, as well as multiple protection functions, including overheat, short circuit, low voltage, overcharge protection, etc., which not only improves the safety of use but also extends the equipment’s lifespan.
【Easy to Install】Miumoon sump pump battery backup system requires no additional wiring, just assemble the AC &DC cable, it is a easy things. Multiple fixation modes, fixed hole on the side allow you flat placement or wall mounting. Miumoon sump pump battery backup system is your smart choice for easy and hassle-free installation
【Excellent Service】If you have any problems, please tell us, our service team will help you out within 24 hours. Additionally, Miumoon sump pump battery backup system comes with a 30-day refund for any reason and a 2-year warranty, there is no any shopping risk. Please assure that we will provide you with the excellent after-sales service, your satisfaction is our goal!
NO ADDITIONAL COST: You pay $0 for repairs – parts, labor and shipping included.
COVERAGE: Plan starts on the date of purchase. Drops, spills and cracked screens due to normal use covered for portable products and power surges covered from day one. Malfunctions covered after the manufacturer’s warranty.
EASY CLAIMS PROCESS: File a claim anytime online at www.Asurion.com/Amazon or by phone. Most claims approved within minutes. If we can’t repair it, we’ll send you an Amazon e-gift card for the purchase price of your covered product or replace it.
MORE DETAILS: Additional information about this protection plan is available within the “Product guides and documents” section. Simply click “User Guide” for more info. Asurion will also email your plan confirmation with Terms & Conditions to the address associated with your Amazon account within 24 hours of purchase (if you do not see this email, please check your spam folder). Contact us if you cannot locate your plan confirmation and Terms & Conditions via email at [email protected].
