August 25, 2025
10 Best Battery Powered Backup Sump Pump of 2025
Last Updated - August 25, 2025
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Up to 30% off
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Westinghouse
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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
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Why We Love It
- 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).
- 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.
- 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.
- SAFETY MEASURE: Designed with dual check valves that prevent water backflow by creating a barrier, providing reliable safety measure that ensures one-way flow.
- 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.
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THE BASEMENT WATCHDOG
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
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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-WiFia 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.
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THE BASEMENT WATCHDOG
THE BASEMENT WATCHDOG Combo Model CITE-33 1/3 HP Primary and Battery Backup Sump Pump System with 24 Hour a Day Monitoring Controller
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Main Highlights
- System comes preassembled and preplumbed so that installation is simple and quick
- 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
- Fluid sensor monitors fluid level of the battery
- 0.4 Amp charger is compatible with Basement Watchdog wet cell and maintenance-free AGM batteries
- Compact design fits in pits with diameters as small as 12 in.
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THE BASEMENT WATCHDOG
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
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Main Highlights
- 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
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ZETAWALE
1500W 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
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Main Highlights
- Designed for Basement Protection- ZETAWALE 1500W 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.
- 25A Battery Charger & 12ms Auto Switch Time- 12V 1500W ZETAWALE Sump Pump Battery Backup System has built-in 25A battery charger, supports quick charging, trickle charging for various battery types, suitable for deep cycle lithium batteries, AGM batteries and other deep cycle battery types. Not suitable for non-deep cycle batteries. In addition, the sump pump battery backup has overcharge protection, your battery will not be damaged in any way, extending your battery life.
- Remote Control with Real-time Display- ZETAWALE sump pump battery backup power supply comes with a 14.76ft wired LCD screen remote control. You can monitor the real-time voltage, power and battery charging status on the LCD display at any time. It has a built-in cooling system and overload protector, as well as multiple protection functions, including overheating, short circuit, low voltage, overcharge protection, etc.
- 1500W Output - Continuously Power Your Sump Pump- The sump pump battery backup system output power is up to 2000 Watt. when the AC power fails, it switches to battery power and instantly recharges when the power comes back on. It has 3 AC U.S. Outlets and 5V/3.1A USB charge port and 30W Type-C Port.It can power up to 3 main sump pumps simultaneously during a power outage, saving you valuable time and costs.
- Widely Applicable and Easy to Install- The ZETAWALE 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 outlet.In addition, as a pure sine wave power inverter, it can also be used to operate various electrical equipment that require backup power.This inverter doesn't come with battery, A 12V deep cycle battery is required for backup power operation.
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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
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Main Highlights
- CONTINUOUS POWERThe 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 MODEThe 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 DISPLAYThe 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 USEThe 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 APPLICATIONSOur 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 INSTALLATIONOur 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!
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Miumoon
Miumoon 1500W Primary Sump Pump Battery Backup, Basment Protection Backup Inverter, Black, LCD Display, Auto Switches for Continuous Sump Pump Operation, Basement Emergency and Power Outage Backup
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Main Highlights
- 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 keep your basement dry at all times.
- 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 batteries, AGM batteries is recommended and suitable for 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 and 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. Please assure that we will provide you with the excellent after-sales service, your satisfaction is our goal!
- Note: Package does not include battery and it needs to be purchased separately. The package only includes an sump pump inverter and install accessories.
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VOONKE
VOONKE 1500W Sump Pump Battery Backup Power System,Basment Protection Sump Pump Inverter with LCD Display and Automatic Battery Backup Switching for Basement Emergency and Power Outage Backup, (Black)
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Main Highlights
- 1.Excellent Performance: The sump pump backup system output power up to 1500 watts, output current up to 13.6 amps, sinusoidal ultra-wide input voltage range, high precision output. sump pump backup battery is ideal for treating basement wastewater, make your life more comfortable. (Note: This power inverter needs to be used with batteries, which are sold separately)
- 2.Charging Mode: The 1500W water pump backup system with built-in 20A power charger, support various backup power types fast charging, trickle charging. In addition, VOONKE inverter has overcharge protection, your backup power will not be damaged in any way, which greatly extends the life of backup power.Note:The default applicable rechargeable batteries are ordinary batteries, if charging for lithium batteries, there will be undercharging)
- 3.Easy Installation:VOONKE water pump battery backup system does not need extra wiring, only need to assemble AC and DC cables. Multiple fixing modes, the fixing holes on the side allow you to place it flat or hang it on the wall
- 4.Safety design: The backup power supply of sump pump adopts LCD display, which can clearly understand the battery charging status. Built-in cooling system and self-recovery overload protection device, as well as overheating, short-circuit, low voltage, overcharge protection and other multiple protection functions
- 5.Solve Your Worries: The Sump Pump Backup Battery System is designed for power outages, and when the power is cut off, the inverter automatically switches to battery power, providing you and your family with the power you need, whether it's a rainstorm or a hurricane
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VEVOR
VEVOR 2000W Sump Pump Battery Backup with LCD, Automatically Shifts to Inverter Power Ensuring Uninterrupted Operation, Essential for Emergencies & Power Failures
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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.
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THE BASEMENT WATCHDOG
The Basement Watchdog Emergency Backup Sump Pump System (BWE) Pumps 2,000 Gallons Per Hour
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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
