The Best Sump Pump With Battery Backup of 2023

Pumps 2,000 GPH at 0 ft. lift and 1,000 GPH at 10 ft. lift

User-friendly controller monitors battery, pump and power conditions 24 hours a day

Provides days of intermittent pumping power on a single battery charge

Compatible with both wet cell and maintenance-free AGM batteries

Automatically switches over to battery power when AC power goes out. (The PumpSpy 75 Ah Deep Cycle AGM Battery is Recommended)

Generates a Pure Sine Wave 120 VAC voltage to reliably power your primary sump pump

Automatically recharges a battery When AC Power is restored with a powerful 10 Amp built-in charger

1500 Watt output is enough to power two primary sump pumps simultaneously (with a combined Amp draw not exceeding 12.5)

Can be used as a power inverter for many applications requiring backup power

HOW IT WORKS: Pump Sentry will reliably power your sump pump during a power outage; it automatically switches to battery when AC power goes out & will automatically recharge when power is restored

FEATURES: UL & CSA accredited, this 1200 Watt battery backup is compact; it’s designed to operate most 1/2 Hp sump pumps & comes with indicators for power output, battery charge, & battery replace

COMPACT & DURABLE: This sump pump battery backup is housed in rugged aluminum & comes in a compact size; supports full pump capacity & can be easily installed; it offers a silent & clean operation

WHAT YOU NEED: For functionality of the battery backup, connect a 12Volt deep cycle marine battery (purchased separately) with a capacity rating between 90 & 200 ampere hours; battery cables included

BRAND PROMISE: We take pride in our rugged, built-to-last products & offer a 2-year factory warranty on our sump pump battery backup system; made & serviced in the USA

ONLY FOR USE WITH SUBMERSIBLE SUMP PUMPS UNDER 9 RUNNING AMPS.

Compatible with the Basement Watchdog Emergency (BWE) battery backup sump pump system or Basement Watchdog Combination primary and battery backup sump pump system (DFK961)

Pumps intermittently for days on the Basement Watchdog Emergency (BWE) or Combination (DFK961) system

Accommodates the Basement Watchdog fluid sensor to sound an alarm when distilled water is needed

Shipped dry 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

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

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

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

Upgraded ESP25 with epoxy steel body and cast-iron base. No more plastic

2700 GPH at 0' provides additional protection to your primary Wayne sump pump

Assembled in USA, performance that lasts for years

Audible alarm sounds, notifying you when the back up system is active

Easy to read LED display shows back up system readiness

Requires a 75 amp hour battery, recommended for use with the Wayne Wsb1275 75 amp hour battery

Protective Battery Case Included with LED Display and Audible Alarm to Let Homeowner Know There’s a Problem

Corrosion-Resistant Thermoplastic Impeller for Maximum Water Flow

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)

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)

Runs various Basement Watchdog sump pump systems intermittently for days

12 Volt Sump pump moves up to 1,380 gallons per hour, pump will lift water up to 25' of vertical height

Tough thermoplastic construction; 10-foot cord length

Tethered float switch to automatically turn the pump on/off

1-1/4 inch or 1-1/2 inch NPT discharge for high capacity pumping

Superior Pumps are Built to Last, engineered with quality components and are 100% factory tested