Best 12 Volt Sump Pump Backup in 2025
Updated on August 2025
#1
Recommended
31% Off
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- Designed for indoor use, this 12 Volt WAYNE basement battery backup sump pump effectively manages heavy water flow during power outages, ensuring a dry basement.
- The ESP25N pump operates at a capacity of up to 2,700 GPH and can expel a total of 10,000 gallons on a single charge of the compatible battery, which is sold separately.
- Fits any sump basin with a diameter of 14 inches or larger, eliminating the need for additional drilling.
- Constructed with epoxy-coated steel housing and a durable cast-iron base, it features a corrosion-resistant thermoplastic impeller for optimal water flow. Includes a battery case with LED display and audible alarm for problem detection.
- Assembled in the USA, this product comes with a 2-year warranty, ensuring reliable and quiet operation.
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- Designed for indoor use, this 12 Volt WAYNE basement battery backup sump pump effectively manages heavy water flow during power outages, ensuring a dry basement.
- The ESP25N pump operates at a capacity of up to 2,700 GPH and can expel a total of 10,000 gallons on a single charge of the compatible battery, which is sold separately.
- Fits any sump basin with a diameter of 14 inches or larger, eliminating the need for additional drilling.
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#2
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- Compatible with primary sump pumps for added functionality
- Offers flood protection during power outages
- Comes with a 12V pump, controller, alarm, battery charger, float switch, and battery box (primary sump pump sold separately)
- Designed for use with deep-cycle batteries; Basement Sentry batteries recommended (sold separately)
- Model: Basement Sentry Backup System STBB100
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- Compatible with primary sump pumps for added functionality
- Offers flood protection during power outages
- Comes with a 12V pump, controller, alarm, battery charger, float switch, and battery box (primary sump pump sold separately)
- Designed for use with deep-cycle batteries; Basement Sentry batteries recommended (sold separately)
- Model: Basement Sentry Backup System STBB100
#3
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- Pumps 2,000 GPH at zero lift and 1,000 GPH at 10 ft. lift
- User-friendly control panel provides 24/7 monitoring and maintenance alarms
- Dual float switch for added protection
- Operates for days on a single battery charge
- Fluid sensor monitors battery fluid level
- Includes control unit, battery fluid level sensor, pump adapter, battery box, and automatic charger (battery sold separately)
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- Pumps 2,000 GPH at zero lift and 1,000 GPH at 10 ft. lift
- User-friendly control panel provides 24/7 monitoring and maintenance alarms
- Dual float switch for added protection
- Operates for days on a single battery charge
- Fluid sensor monitors battery fluid level
- Includes control unit, battery fluid level sensor, pump adapter, battery box, and automatic charger (battery sold separately)
#4
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- Sump pump battery backup designed for basement flood protection, automatically switches to battery power during outages to ensure continuous operation.
- Features a built-in 25A battery charger that supports quick charging for various deep-cycle battery types, with overcharge protection to prolong battery life.
- Includes 3 AC outputs, a 36W Type-C port, and a 5V/3.1A USB port for powering devices during outages, with an automatic switch back to battery power when needed.
- Equipped with a remote controller featuring an LCD display to monitor battery and pump status, along with safety features like overload protection and cooling system.
- Easy installation with no additional wiring required; can be set up on flat surfaces or mounted on walls using designated fixation points.
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- Sump pump battery backup designed for basement flood protection, automatically switches to battery power during outages to ensure continuous operation.
- Features a built-in 25A battery charger that supports quick charging for various deep-cycle battery types, with overcharge protection to prolong battery life.
- Includes 3 AC outputs, a 36W Type-C port, and a 5V/3.1A USB port for powering devices during outages, with an automatic switch back to battery power when needed.
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#5
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- 12 Volt sump pump with a capacity of 1,380 gallons per hour and a vertical lift of 25 feet
- Durable thermoplastic material and 10-foot power cord
- Automatic operation with tethered float switch
- High capacity discharge options: 1-1/4 inch or 1-1/2 inch NPT
- Engineered with quality components and thoroughly factory tested for longevity
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- 12 Volt sump pump with a capacity of 1,380 gallons per hour and a vertical lift of 25 feet
- Durable thermoplastic material and 10-foot power cord
- Automatic operation with tethered float switch
- High capacity discharge options: 1-1/4 inch or 1-1/2 inch NPT
- Engineered with quality components and thoroughly factory tested for longevity
#6
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- Designed to protect basements from flooding with an automatic switch to battery power during outages.
- Built-in 25A battery charger supports quick and trickle charging for various deep cycle battery types, enhancing battery life with overcharge protection.
- Includes a 14.76ft wired LCD remote control for real-time monitoring of voltage, power, and charging status, featuring built-in cooling and multi-protection functions.
- Outputs up to 2000W to power sump pumps during outages, with the ability to charge simultaneously through multiple outlets including USB and Type-C ports.
- Easy installation with no additional wiring required; compatible with various electrical equipment that needs backup power, but requires a separate 12V deep cycle battery.
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- Designed to protect basements from flooding with an automatic switch to battery power during outages.
- Built-in 25A battery charger supports quick and trickle charging for various deep cycle battery types, enhancing battery life with overcharge protection.
- Includes a 14.76ft wired LCD remote control for real-time monitoring of voltage, power, and charging status, featuring built-in cooling and multi-protection functions.
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#7
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- Pumps 2,500 gallons per hour (GPH) at 0 feet lift and 1,730 GPH at 10 feet lift
- Control panel features warning lights and maintenance instructions
- Battery fluid level sensor for monitoring
- Package includes controller, charger, dual float switch, pump, and battery box (battery not included)
- Compact design fits in small or narrow sump pits
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- Pumps 2,500 gallons per hour (GPH) at 0 feet lift and 1,730 GPH at 10 feet lift
- Control panel features warning lights and maintenance instructions
- Battery fluid level sensor for monitoring
- Package includes controller, charger, dual float switch, pump, and battery box (battery not included)
- Compact design fits in small or narrow sump pits
#8
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- Automatic backup pump activates if main pump fails or water levels are too high, providing ongoing basement protection against flooding.
- Dual-band WiFi connectivity enables real-time monitoring via the GeniLife App, with alerts for water levels, pump issues, or power outages, ensuring you're informed anytime.
- High-efficiency DC pump delivers up to 2,700 GPH at 0 ft lift, incorporating an electronic water level sensor for quick response and better accuracy, designed for reliable use even in severe weather.
- Smart controller features LED indicators and dual water level sensors to track system status and performance, with audible alerts for faults, and options for integration with security systems.
- Compatible with 12V deep-cycle batteries for uninterrupted pumping during outages, and designed for easy installation without needing professional assistance.
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- Automatic backup pump activates if main pump fails or water levels are too high, providing ongoing basement protection against flooding.
- Dual-band WiFi connectivity enables real-time monitoring via the GeniLife App, with alerts for water levels, pump issues, or power outages, ensuring you're informed anytime.
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#9
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- 2000W sump pump battery backup system features overcharge prevention and a trickle charge to maintain battery readiness.
- Efficient backup unit generates pure sine wave 120 VAC, with 2000 Watt output capable of powering two sump pumps drawing a combined 16.6 Amps.
- Automatically powers sump pump during outages and recharges once AC power is restored, offering two grounded outlets and a USB charge port.
- Constructed for durability, it is CE-certified and tested in the USA, measuring 17.5 x 6.75 x 4 inches and weighing 10.5 pounds.
- Can function as a power inverter for lights and other devices, requiring a 12V deep cycle battery for operation, with recommended PumpSpy batteries.
- Technical support available from a knowledgeable team based in Kalamazoo, MI, for installation and troubleshooting assistance.
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- 2000W sump pump battery backup system features overcharge prevention and a trickle charge to maintain battery readiness.
- Efficient backup unit generates pure sine wave 120 VAC, with 2000 Watt output capable of powering two sump pumps drawing a combined 16.6 Amps.
- Automatically powers sump pump during outages and recharges once AC power is restored, offering two grounded outlets and a USB charge port.
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#10
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- 12V battery backup system
- compatible with any existing primary sump pump
- supports pumping up to 2,700 gallons per hour
- ideal for preventing water damage during power outages
- provides reliable performance in emergencies
- ensures continuous operation of sump pump
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- 12V battery backup system
- compatible with any existing primary sump pump
- supports pumping up to 2,700 gallons per hour
- ideal for preventing water damage during power outages
- provides reliable performance in emergencies
- ensures continuous operation of sump pump
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