The Best Battery Backup Kit For Existing Sump Pump -Reviews & Comparison

If you're looking for the best battery backup kit for existing sump pump on the market, you've come to the right place. After researching many different options, we compiled this list of the 10 best battery backup kit for existing sump pump. We assessed features, build, functionality, usability, and many more aspects to find the best options.

Knowing what to look for, which types to choose, and a host of other factors go into choosing among the best battery backup kit for existing sump pump. There’s good news, though: This guide will explain it all. If you're still here because you need a suitable option, we have a decent selection that should cater to every taste and budget, so read on to find which of the battery backup kit for existing sump pump will be the best choice for you.

The reasons why you should trust us

You can trust us because we are not just another review site. We are a team of tech enthusiasts and experts who have spent months researching the best products on the market. We factor this into our overall star rating for each product and our final verdict on whether or not we recommend it.

Our rating metrics include the following:

  • Functionality
  • Build material
  • Durability
  • Compatibility
  • Ease of use
  • Quality
  • Price-to-value ratio
  • Reliability
  • Brand
  • Safety
  • Customer reviews

Best battery backup kit for existing sump pump: Our 10 Choices

Comparison of 10 Best battery backup kit for existing sump pump
Bestseller No. 1
Superior Pump 92911 1/2 HP Cast Iron Primary Sump Pump and Backup Pump Kit , Black
  • Kit includes 87 decibel alarm, electronic control panel with indicator lights, battery box, mounting hardware, 2 AMP DC charger (12 volt deep cycle battery not included)
  • Pre-Assembled Kit is ready to install
  • Vertical float switch on primary and backup pumps
  • Pre-assembled kit: Primary pump model 92511 cast iron sump pump and 12V DC backup pump
  • Primary pump-pumps up to 4200 gallons per hour, pumps water up to 25 vertical feet
Bestseller No. 2
PumpSpy Dual Pump Install Kit
  • Everything you need to connect 2 sump pumps to a single 1 1/2" discharge line
  • Full flow 1-1/2" check valves and Y-connector allows maximum pump output
  • Connects 2 primary sump pumps OR primary and backup pump
  • Easy installation with a standard glue or cement required
  • Silent check valves eliminate water hammering for quiet operation
Bestseller No. 3
Superior Pump 92900 12V Battery Back Up Submersible Sump Pump with Tethered Switch
  • 1-1/4 inch or 1-1/2 inch NPT discharge for high capacity pumping
  • Tough thermoplastic construction; 10-foot cord length
  • 12 Volt Sump pump moves up to 1,380 gallons per hour, pump will lift water up to 25' of vertical height
  • Tethered float switch to automatically turn the pump on/off
  • Superior Pumps are Built to Last, engineered with quality components and are 100% factory tested
Bestseller No. 4
briidea Dual Pump Install Kit - PVC WYE with Integrated Quiet Sump Pump Check Valves
  • - Silent check valves eliminate water hammering for quiet operation
  • - Connects 2 primary sump pumps or primary and backup pump
  • - Easy installation with a standard screwdriver. There's no need to purchase PVC pipe, elbows, couplings, no glue or cement required
  • - PRODUCT GUARANTEE: You can enjoy our first-class service with free refund without reason, 2-year warranty and 24-hour support for customer service
  • - The briidea dual pump install kit has everything you need to connect 2 sump pumps to a single 1 1/2" discharge line. Full flow 1-1/2" check valves and Y-connector allows maximum pump output
SaleBestseller No. 5
6699 1/6HP Portable Utility Pump Submersible Small Backup Sump Pump to Drain Water from Flooding House Basement Pool Hot Tub Tankless Heater Liquids Transfer SUB 1100
  • 【Easy to Install】Attached adapters for easy hookup with hoses for quick draining. There are two plastic hose adapters included, GHT 3/4" for garden hoses, and 1" for PVC lay flat hoses. *This item is not suitable for working with expandable hoses.
  • 【Efficient Manual Drain Pump】It works by simple plug-in operation, ideal for removing clean water can remove water level down to 1/2". Screened inlet prevents large solids from entering pump. Not suitable for dirty water.
  • 【Handy Pump with Stable Performance】1/6 horse power energy-efficient motor with thermal overload protection for safety and longer lifetime, has the ability to remove maximum 1100 gallons of water in one hour horizontally. Quietly running.
  • 【Small Pump with Portability】It features portability with small size: 5.9 in round*8.3 in height. You can easily put it to transfer water anywhere with no hassle and stock it to your storeroom after use but would not occupy much space.
  • 【Suits to Various Pumping Conditions】The submersible pump is designed for water removal in home applications. Pump can be used for sump service and dewatering. Unit is constructed of hi-impact corrosion resistant plastic.
Bestseller No. 6
MY DIY CENTER Sump Pump Stand - Elevates & Rises Sump Pump Off Basin Floor for Flooding and Sediment Prevention - Easy to Install - Compatible With Most Sump Pump Brands - Proudly Made in USA
  • FLEXIBILITY - The MY DIY Center Sump Pump Stand is compatible with most major brands of Sump pump.
  • DURABLE CONSTRUCTION - Each pump stand is made from quality, durable material that will stand the test of time. Each unit is also stackable, meaning you can adjust the height to meet your specific needs.
  • EASY TO INSTALL - All it takes is a few minutes and you can connect this stand to most brands of pumps. The built-in flow channels improve migration of water to the pump, ensuring top performance and pump longevity.
  • WHAT IT’S FOR - A sump pump helps remove excess water from the interior of your home. With that, a sump pump stand provides added protection and efficiency to your sump pump by elevating it. This elevation helps to prevent clogging and sediment buildup in the device.
  • EXTEND YOUR PUMP’S LIFE - Regular maintenance on your pump is a necessity. Debris and sediment that collect will slowly wear down your pump’s performance. Having a pump stand helps extend out each cycle of maintenance by raising the pump off the basin floor and minimizing the amount of sediment that can be trapped. This rising creates a buffer between the pump’s suction point and the surface.
SaleBestseller No. 7
THE BASEMENT WATCHDOG Model BW-27AGM Maintenance Free (AGM) Sump Pump Battery
  • Up to 40-hour protection (based on a 10% duty cycle) on the Basement Watchdog Big Dog (BWD12-120C+)
  • 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)
  • Maintenance free - no need to add battery fluid or distilled water
  • 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)
  • Runs various Basement Watchdog sump pump systems intermittently for days
SaleBestseller No. 8
Lanchez 1.6 HP Submersible Sump Pump 4858GPH Clean & Dirty Water Transfer Pump with Float Switch for Pool Garden Cellar Pond
  • 【Professional Accessories】The fountain pump with asscessories. Rugged and corrosion-resistant plastic construction for durability; NPT 1 inch discharge; Included hose adapter fits 1-1/2, 1-1/4 or 1 inch hose.
  • 【Strong and Reliable Performance】The water pump with 1.6 HP motor. Maximum flow rate up to 4858 GPH and Max lift water up to 25 feet. Thermoplastic body resists corrosion with highly rugged material.
  • 【Notice and Warning】 Do not use power cord to lift motor. Always use handle. Thread outlet pipe into pump body carefully to avoid stripping or crossing threads. Pump should be located and should rest on level solid foundation.
  • 【Product Safety】Submersible sump pump pay attention to safety. The motor is equipped with an automatically resetting thermal overload protector. The overload protector will rest itself and the motor will restart when cooled sufficiently.
  • 【Application of Pump】 The sprinkler pump is a versatile pump for pressure boosting, small underground sprinkler systems, operating lawn sprinklers and a multitude of other general purpose applications. Unit is constructed of hi-impact corrosion resistant plastic.
Bestseller No. 9
Green Expert 1/3HP Sump Pump Submersible with Unique Flow Sensor Switch Last-inch Water Clean Draining Design for Completely Water Removal from Flooded Basement Laundry Pools Hot Tub Spa 203629
  • 【Safety Guarantee and Customer First】Follows UL 778 standard for safety and 100% manufacturer tested. For any question, please don't hesitate to write to us through our storefront and click "ask a question", or support email to us, we will respond within 24 hours.
  • 【2 In 1! Automatic&Manual Operation】This utility sump pump can work manually or automactially according to actual needs. With easy insert-in design, you can freely switch the pump to work as manual or automatic.
  • 【Simple to Install with Hoses】Comes with three plastic adapters: 1”&1-1/2" connect discharge hoses for high capacity pumping; 3/4" GHT&1-1/2" NPT connect threaded hoses for quickly installation. *This item is NOT suitable for expandable garden hoses that would cause poor output flow.
  • 【Last-inch Drain Pump】Unique water sensor switch with non-return valve drains water to the lowest suction level of 1/25inch without back flow. It would stop automatically after running 15sec when there's no water covering on the sensor to remove more remaining wate on flat floor. Designed for completely draining clean or slightly dirty water from flooded house, basement, sumps, window wells, water tanks, pools, cisterns, hot tub spas, and flooding in low lying areas.
  • 【Split Capacitor Motor with Efficiency】Oil-free PSC motor with thermal overload protection produces 1/3hp output power for higher performance and increased reliability. Pump moves up to 2000 gallons water per hour at zero feet, 22.5 gallons per minute at 10 ft of discharge lift.
Bestseller No. 10
APC UPS Battery Backup and Surge Protector, 600VA Backup Battery Power Supply, BE600M1 Back-UPS with USB Charger Port
  • 7 Outlets (NEMA 5-15R): 5 Battery Backup and Surge Protector; 2 Outlets with Surge Protection Only
  • 5' Power Cord, right-angle 3-prong wall plug (NEMA 5-15P), wall-mountable. Plus free Windows PC power-management software (Mac OS uses native "Energy Saver" Settings)
  • Replaceable Battery. Easily replace the battery back up with a genuine APC replacement battery, model APCRBC154 (sold separately)
  • 600VA / 330W battery backup power supply
  • 1 USB Charger Port (1.5A) for cell phones, portable electronics

Buying battery backup kit for existing sump pump: Things to Consider

When looking for a new battery backup kit for existing sump pump, knowing which one will suit you best can be difficult. But if you consider a few things before making your purchase, it's much easier to narrow down your choices and make an informed decision about what's right for you.

There are many things to consider before you buy a battery backup kit for existing sump pump. You want to make sure that it's going to work for your needs, that it's affordable and that it's something you can use with ease.


Here are some things to keep in mind before buying a new product:

  1. What is the purpose? This may seem like an obvious question, but people often forget about it as they get caught up in the excitement of a new battery backup kit for existing sump pump. If you're looking for an item that will best suit your needs, then don't buy a product that does nothing but entertain you.
  2. What are other people saying about it? It's always best to check out reviews online before making any purchases so that you know what other people think about battery backup kit for existing sump pump and whether or not they would recommend them. This can help give you an idea if something is worth buying or not before you spend money on a product that won't work out for you at all!
  3. Is it something I'm going to use often? If there's any question about whether or not you'll use something often enough for it to be worth buying, then wait until later when you're sure how much time, effort, and money.

The following are some more things in detail you should consider before you buy:


The first thing to look at is the features of the battery backup kit for existing sump pump. You should check out if it has all the features that you need. It is not worth the money if it doesn't have any needed features. So check out all these features before buying battery backup kit for existing sump pump.

Features can be divided into two categories: core features and secondary features. Core features are the main characteristics of a product, whereas secondary features are additional or extra characteristics that make a product better than others.


Quality refers to how well-made the battery backup kit for existing sump pump is and how long it will last before breaking down or malfunctioning. To determine this, check out online reviews by other users who have bought the same item as yours and see whether they're satisfied with their purchase or not. If there are many negative reviews about a battery backup kit for existing sump pump or brand, then stay away from them because they're probably not worth buying at all!


Before buying it, you should always consider how much money you will spend on your new best battery backup kit for existing sump pump. In addition to this, you should also consider what features the product has and whether they will be beneficial for both you and your pet or not. Sometimes, many battery backup kit for existing sump pump may look similar, but they may vary greatly in terms of cost and quality, so choose wisely when buying something new!

The material used to build it

You should also be aware of what materials are used in the production of the battery backup kit for existing sump pump, as this will help you to determine whether it’s durable or not. The material used to make the battery backup kit for existing sump pump can tell you a lot about its quality and durability. This is particularly important if you’re planning on using the battery backup kit for existing sump pump for a long period or if it will be used frequently. If you’re looking for something that lasts, then you need to consider the material it’s made from.


It is also a good idea to check out the brand of the battery backup kit for existing sump pump before making a purchase. Different brands have different quality standards depending on their manufacturing process and overall quality control measures. Best to choose from, brands with good reputations for quality products and excellent customer service.

Warranty and return policy

When buying battery backup kit for existing sump pump, ensure you know what kind of warranty or return policy the manufacturer or seller offers. A good warranty will give you peace of mind that if something goes wrong with your purchase, you can get it fixed or replaced without any fuss or hassle. Look for companies with solid customer service who will work with you if there are any problems with your purchase to resolve them as quickly as possible without making things difficult for you. Look for companies that offer a return policy so that if you are unsatisfied with the product, you can send it back and get your money back.


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