Best battery backup sump pumps

Our top 3 picks

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  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

  The WAYNE 1/2 HP Basement Sump Pump System is a robust solution for keeping your indoor areas dry during heavy rain or snowmelt. Its preassembled design allows for quick installation in 15 minutes, fitting seamlessly into 16-inch diameter or larger sump basins without the need for drilling. This system is particularly ideal for basements, ensuring efficient water evacuation even during power outages, thanks to its battery backup capability (battery not included). Customers frequently highlight its quiet operation, making it a discreet addition to any home. With a maximum flow rate of 5,100 gallons per hour and a durable construction tested to one million cycles, this sump pump offers both reliability and peace of mind. Proudly assembled in the USA, it comes with a three-year warranty, ensuring long-lasting performance.
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  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

  The BASEMENT WATCHDOG Big Combo CONNECT Model CITS-50 is a robust sump pump system designed to protect your basement from flooding. Featuring a 1/2 HP primary pump and a battery backup, it ensures continuous operation even during power outages. The system's smart WiFi capability and 24-hour monitoring provide peace of mind, allowing homeowners to monitor performance remotely. Ideal for flood-prone areas, this pump system is praised for its easy installation and quiet operation, making it suitable for DIY enthusiasts. With a maximum flow rate of 73.3 gallons per minute and a lifting height of 25 feet, it efficiently handles water ingress. Despite some concerns about longevity, the product's three-year warranty and available extended warranty options offer additional security. Overall, this sump pump system is a reliable and effective solution for keeping basements dry and safe.
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  The Basement Watchdog Emergency Backup Sump Pump System (BWE) Pumps 2,000 Gallons Per Hour

  The Basement Watchdog BWE Emergency Back-Up Sump Pump is a reliable solution for protecting your basement from water damage. It efficiently pumps up to 2,000 gallons per hour at ground level and 1,000 gallons per hour at a 10-foot lift, making it ideal for emergency situations. The user-friendly control panel includes visual and audible alarms, ensuring easy maintenance and monitoring. Compatible with both wet cell and AGM batteries, this pump provides days of intermittent operation on a single charge, offering peace of mind during power outages. Its compact design allows for installation in small or narrow sump pits, and the included detailed instructions simplify the setup process. Customers appreciate its reliability and ease of use, though some suggest improvements to the charging system. Overall, this sump pump is a practical and efficient choice for safeguarding your home.