Best Battery Backup Sump Pump Reviews For All Budgets (2024 Update)

A battery backup sump pump is the best way to supplement your primary pump. If your primary pumps fails with any type of mechanical failure, power outages or just due to excessive use; it’s always comforting to know you have a backup in place. A sump pump failure does not have to be the end of the world, especially if you can get extended service from a secondary pump running off a battery!

Your sump pump runs when it needs to remove water from your sump pit, and your pit can get filled very quickly with water during storms. For most of us this is not a problem, but if you also happen to be in a location where the storm could affect your electric supply then you might be in a world of trouble. The number 1 most common way people flood their basement is when the power goes out during a storm with heavy downpour; but that doesn’t have to be you!

Top 5 Battery Backup Sump Pumps Comparison Chart

No.ImageNameTypeItem WeightGPHHPWarrantyWhere to buy
1WAYNE ESP25Battery Backup13.5 pounds33001/3 HP2 yearsCheck Price
2Zoeller 507-0005Battery Backup13.35 pounds9001/3 HP1 yearCheck Price
3WAYNE WSS30VPrimary and Battery Backup Combination24 pounds42001/2 HP5 yearsCheck Price
4Liberty Pumps SJ10Water Powered5 pounds20001/2 HP2 yearsCheck Price
5Zoeller 507-0008Battery Backup43 pounds-1/3 HP5 yearsCheck Price


Top Rated Backup Sump Pump


Wayne WSS30V Pre-Assembled Primary and Battery Backup Sump Pump System

Wayne WSS30V is the high-quality pre-assembled pump as well as a backup system used for easy and quick installation process. This system brings more features that includes the durable, top suction, vertical float switch, cast-iron primary pump and much more suitable for enhancing the quality of work. Wayne WSS30V is assembled in the US using both the domestic and foreign parts. They are tested with more than 1 Million Cycles for increasing the performance based on the 12-volt backup pumps.

Wayne WSS30VFeatures & Specifications

  • The maximum power also reaches up to 3300 GPH (Gallons per Hour) and it makes the highest performing DC sump pumps present in the market.
  • Wayne Water System is the world renowned and reliability expert brings you the superior quality sump pumps exceeding the average life 1 million pumping cycles based on the rapid cycle test conditions.
  • The top suction design of the primary pump easily filters the debris as well as they easily minimize the clogging.
  • The system is highly made with the superior quality corrosion resistant, reliable reed float switch, charger, battery box and high-flow battery back-up pump.
  • Professional grade backup system and Heavy duty check valves require only one 40 Amp Hour or 75 Amp Hour based on the deep cycle battery.
  • Ideal for 15 inches diameter or a sump with larger basics

Our Review


  • Comes pre-assembled that does not make it difficult to install
  • Each and every part of the pump is rust and corrosion-free
  • The operation takes place with no noise at all
  • No chances of backflow during pumping with heavy-duty check valves


  • Back-up battery has not been provided with the pack
  • The back-up and primary sump pumps do not have a good lifespan

Check Reviews & Price


Wayne ESP25 12 Volt Battery Back-Up Sump Pump System with Audible Alarm

The Wayne ESP25 battery backup sump pump system runs with the 12V DC power source with the powerful motor for the water suction. The 1/3-HP sump pump system is equipped with the 12 Volt battery backup, which is convenient for operating even when there is no power to operate. This Pump also have the sturdy polyethylene battery that holds the group of 27 sized sealed lead-acid battery. best battery backup sump pump reviews

Features & Specifications

  • Wayne pumps are completely standalone and have the float switch in the best manner for controlling the circuitry in the extensive manner.
  • This sump pump system with audible alarm is much simple to install alongside with the existing Pump in the Sump so that it would automatically increase the better option of the longer performance of dewatering in the extensive manner.
  • When the water level is higher for activating the ESP25 Pump then the float switch comes into operational so that it is automatic for operating the Pump without manual help.
  • It operates when the current pump malfunctions or unable to discharge water in any of the heavy inflow situation.
  • This is one of the best battery backup sump pump systems which offers you the best option for controlling the motor with the extensive type of increasing the power backup for the motor to run.
  • This pump system acts as the booster for the Pump to assist with the primary Pump so that it could be discharged with the dedicated line or same outlet.
  • This pump is also completely waterproof that will give you much protection with the thermoplastic housing.
  • This pump discharges the 2,300 Gallon of water per minute at the 10 foot head and it also have the 1.5 inch discharge outlet.
  • 75Ah battery deep cycle battery gives the better option for the ESP25 model.

Our Review


  • High on performance with 12-volt battery
  • Comes equipped with an alarm which is quite audible
  • Undergoes a noiseless operation
  • Comes with a top suction design for filtering debris and minimizing clogging
  • The process of installation is very easy and effortless


  • The battery charger cord and battery cable are both too short
  • Additional sump width is extremely necessary
  • No backup battery is included in the pack

Check Reviews & Price


Zoeller 507-0008 Pre-assembled Battery Backup Sump Pump and M53 Pump

Zoeller 507-0008 Pre-assembled Pump is designed as the battery backup option for the primary sump Pump. When the primary pump failure or unexpected power outages happens then this Pump acts as the best option for increasing the performance in the extensive operation of dewatering the sump. This pump have the easier installation with the DC pump, advance electronic controls, battery and many other parts are required. battery backup for sump pump

Features & Specifications

  • This sump model is designed with the installation of the sumps to the minimum diameter of 18″ and 24″ deep.
  • This pump comes fully assembled with the ready for installation for clearing the eater from the Sump.
  • M53 Pump is the primary pump that operates at the 115V AC and has the basement sentry with the model 507 that has 12 Volt DC backup systems.
  • The pump has a float switch and piping fitted for the faster way of increasing the water flow in the extensive manner.
  • When the pump is continuously fully charged then it will provide the backup of 5 1/2 to 7 1/2 hours.
  • M53 Pump system is the automatic sump pump that passes the 1/2″ spherical solids and the motor also have the modern engineered glass filled thermoplastic vortex impeller for the faster performance in the extensive manner.
  • Zoeller 507-0008 have the lockable type of battery box so that it is completely protected for the higher safety.
  • Factory assembled Zoeller 507-0008 models have the higher efficiency in the excellent way and there are extra protection provided for the pump in case of primary AC pump system fails with power outages.
  • Battery burn out or overcharge protection adds more advantage for the pump system.
  • Zoeller Pump models are used for residential locations, commercial locations, basement storage facilities, communication vaults as well as computer vaults.

Our Review


  • The system comprises all such parts to ensure that there is no flood caused in the basement
  • Made from a very hardy material that ensures its durability
  • Comes with a battery back-up that helps in case the primary pump fails


  • The set-up is only possible on pits having diameters stating from 11 to 24 inches
  • Battery back-up is stronger with a marine battery although it is completely unnecessary

Check Reviews & Price


Zoeller 507-0005 Basement Sentry Battery Backup Pump

Zoeller is the top trusted brand by many number of customers as the products have higher quality with best performance. This is one of the best battery backup sump pumps that can move 15 gallons of water per minute at a 10 foot lift and 23 gallons per minute at the 5 foot lift. This Zoeller pump systems have the adjustable type of vertical float so that it has the automatic switch for the better operation in the extensive manner. battery powered backup sump pump

Features & Specifications

  • Zoeller 507-0005 Basement Pump have the 1/3 HP primary Sump so that it will be easier for the housing to move water from sump faster.
  • This has the strong thermoplastic so that it is the corrosive resistance in the extensive manner.
  • This is one of the best backup systems which weighs around 13 pounds so that it is easier for installing this Pump anywhere in the side directly with the main discharge pipe.
  • Therefore it will be easier for operating this pump alongside with the primary Pump for the faster performance of moving water.
  • Automatic float system is attached in the main discharge pipe so that it is completely reliable for the higher possibility of turning the switch ON or OFF.
  • This pump offers the higher protection when the power outings in case of the primary Pump failure and it is operated at the voltage of 12V.
  • The pump has many advantage of emergency backup usage of this Pump system when the primary Pump fails the process.
  • Alarm notification systems are also installed in the Control Box for monitoring the battery and prevent the burnout.
  • This pump also have the LCD displays voltage monitoring and LED light indication denoting the AC power out or battery is fully charged.
  • Alarm in the control box will sound when battery is operating the pump

Our Review


  • Comes with a check valve
  • Very easy to install that can be done to any current sump pump
  • Comes with a backup pump as well as a float switch
  • A control box includes an alarm pack


  • Poor power outage that sometimes affects its operation
  • Water starts getting gushing out of the bottom
  • A very poor mechanical switch

Check Reviews & Price


Wayne WSM3300 Sump Minder Advanced Notification BackUp Pump

Sump Minder is the most traditional backup sump system available on the market. Sump Minder come with unique capabilities, it will monitors as well as self-tests both backup and primary sump pumps. Even, it will call you in advance when it finds any problem. This advanced system sends a voice alert to any phone with this you will take action become flooding occurs. Microprocessor controller frequently monitors and checks battery status and AC power. In addition to this, it will run a full self-tests every fourteen days.

Wayne Wsm3300

Features & Specifications

  • This advanced Sump Minder helps you a lot; you can easily program in up to three telephone numbers.
  • Sends the voice alert message to roughly about three phones in an instant of your backup system activation, less battery charge, high water and self-diagnosed pump issues
  • The smart charging technology also breaks the surface charge as well as it also brings the battery back to optimal levels.
  • It is the widely used and most conventional submersible water pump.
  • Typically, it can be used to remove ground water from sump pits at the same time it will transfer basement drainage to prevent flooding.
  • Sump Minder is really beneficial and completes your sump pump system; moreover, it provides additional protection by removing ground water during heavy rain, power outage, or any primary pump failure.
  • It is a perfect option for your sump pump system.
  • Offers roughly about ninety hours of basement security during an electricity outage

Our Review


  • The main top suction is made of cast iron that makes it sturdy and durable
  • Comes pre-assembled that makes it quite easier to install
  • The submersible pump creates no noise at all during operation
  • Power consumed is less in comparison to other sump pumps


  • Not suitable to be used in pits with diameter less than 15 inches
  • Price is a little bit higher in comparison to other models

Check Reviews & Price


Liberty Pumps SJ10 Discharge Sump and Jet Water Powered Back-Up Pump

Liberty Pumps SJ10 is the most powerful water-powered backup pump to protect your basement in case of any kind of power shortage. Liberty Pumps SJ10 Pump system features the highly compact efficiency design that has the ability to remove 2 Gallons of sump water per 1 Gallon. With the use of compactable Protect basement case would be much suitable for the power outage. Liberty Pumps SJ10 is 1-1/2-Inch Discharge Sump Pump system along with the extensive Jet Water Powered Back-Up Pump.

Liberty Pumps SJ10

Features & Specifications

  • Since the unit is powered by the municipal water supply, there is no need for the electricity to operate.
  • Liberty Pumps SJ10 is completely automatic and it arrives with a completely assembled backed pump.
  • Pumping performance of the machine varies based on the pumping head as well as inlet water source pressure.
  • Liberty Pumps SJ10 accepts 20 PSI to 100 PSI inlet supply pressure so that it is quite convenient for enhancing the quality of the system.
  • The Adjustable stainless hose clamp is set to deliver the easy mounting and extensive output flow rates and UPC approved.
  • The built-in removable foot valve is also included for water inlet with the extensive backflow protection.
  • 1-1/2 Inch Discharge Water brings you the convenient options for increasing the priority and enhancing the ability to the maximum.
  • UPC approved

Our Review


  • Quite light in weight and compact in size
  • Made of high-quality PVC that makes it durable
  • Equipped with an efficient motor that can move out 19.8 gallons per minute
  • Both inlet and outlet support various types of pipes
  • Operates with no noise


  • Set-up takes a bit of extra money
  • The suction shaft valve or what is known as the foot valve often fails to function

Check Reviews & Price

Best Battery Backup Sump Pump

Imagine waking up one morning to find that your entire basement is flooded? All your time and effort to create this comfy living space is now under water, and everything valuable is damaged. This is not a good scenario to wake up to. Water damage especially in a basement is a very distressful situation because you have to deal with the mess, the clean up and the insurance company to recoup your losses.  This can be very frustrating. No one wants a flood in their property but it can happen anytime, and whenever it does, it is a nightmare to deal with. The good news however, it can be prevented.

Our Top 5 batteries to use for your backup sump pump

Frequently Asked Questions

Why do I need a sump pump?

A sump pump is actually important for homeowners and establishments as it protects them from flooding. When you have problems with water that penetrates through your walls and flooring in the basement, the best solution to solve your problems is to install a sump pump. A sump pump in your basement will get rid of the water in your property by pumping it out. This handy device is commonly used and installed in the lowest point in the house or building like a sump pit.

Need A Battery Backup Sump Pump System

Once the water starts to fill up around the sump pump pit, the sump pump will automatically start working to remove the water and send it through a pipe out. The slope that is usually built around the house or building helps the sump pump to send the water away from your property. At the same time, the check valve that is found between the pipe and pump keeps the water from flowing back into your house. Thus, it really is important to have a sump pump even if you don’t actually live in a flood-prone area.

But what are you going to do if your sump pump doesn’t have a backup battery? What if the power goes out and your sump pump will not be able to function unless you have a generator? Read on to know why a battery backup sump pump is important and why you need it.

Zoeller 507-0005

Who needs a Sump Pump Battery Backup?

If you have only a primary sump pump installed, it is best to consider buying a battery pump. It might cost a hundred dollars or more but every penny is well worth it, especially if the primary pump runs on AC power only. Remember mechanical failures (like a float switch failure which is very common) or power outages comes without any warning and if you are away from home on a vacation, at work or sleeping, it is good to know that you have a secondary sump pump system in place to backup your primary pump if it fails. Another good alternative to the backup pump is the water powered sump pump which does not use any electric or battery power to function. You can easily prevent a big mess in your home with a battery backed sump pump.

Without a reliable backup system, your sump pump can be pretty useless so don’t wait for the flood to come and cause a mess. Get a battery backup sump pump system and feel more relaxed no matter how hard it rains and you are slumbering or out on vacation. A battery backup sump pump system works as a second pump that is installed in your primary pump. Just like other battery-powered devices, the battery provides a second source of power to help your pump operate when the power goes out.

In addition, a battery backup sump pump system comes with a separate power switch so it automatically switches the pump ON to start working. This comes in really handy especially if your primary sump pump’s switch suddenly fails to work. But aside from working as a secondary switch and power source, this system really works as an all in one backup when the rain is too hard and your primary sump pump can no longer take the water.

Benefits of a Good Battery Backup Sump Pumps

The true benefit of a secondary sump pump is that it operates solely on battery power. There is no AC connection required and it is guaranteed to activate if the primary pump fails. This battery protection is good for your property and can save a lot of money from water damages. It is the peace of mind that every homeowner owner wants, and this type of pump system is considered to be a fail safe in the event of power outages, or during a heavy rain storm. Besides, the configurations and programming of these sump pumps are designed to automatically turn on when the primary pump fails and to expel water from the basement quickly.

They say that two heads are better than one, so as in sump pumps. With an additional battery backup, you can easily tell when the water outside gets too much and you need an extra support to pump it all out. This works well too in times of danger so you better monitor the battery status from time to time. No matter how handy this system is, it won’t be able to do much help if it runs out of power. Make sure that the battery charges properly as well.

Some battery backup sump pump systems have a special feature that can alert you whenever there is a loose connection or corrosion in its terminals. It will also let you know when it is time to be replaced.

One of the best things about having a battery backup sump pump system is that it is easy to maintain. Unlike other devices, a battery backup sump pump system is easier to install on primary sump pumps. Just be sure that you check the terminals and battery water levels regularly to make sure that it works fine at the right time. In case the power goes out, be sure that you monitor the battery status and prepare a replacement just in case the power doesn’t come back before the battery runs out.

Which Type Suit your Needs?

To determine the type suitable for each home depends on a lot of factors such as; basement size, price, geographic location, installation cost etc. The internet is saturated with information on makes and models for you to research and make a choice. You can always seek professional help on online or in store if you are not sure which sump pump is a good backup system for your basement. As a rule of thumb the specification for any submersible pump should follow the guidelines below.

  • A pump that can expel 10,000 -12,000 gallons of water on a single charge.
  • A pump that can be integrated into an alarm system and transmit warnings in the event of a failure.
  • A pump equipped with an additional battery which can provide the system with double power to expel more than 10,000 gallons of water.

How Long will this System Run on Battery?

Trick question but this factor should be seriously considered when buying a battery backup sump pump systems for basements. It is strongly advisable to gather as much details on the battery specifications when talking to a sales representative at the store or a certified plumber. A sump can use all of its energy in a single day or a week depending on the volume of water present. A good rating would be a sump pump that can expel 10,000 to 12,000 gallons of water on a single charge. This is a lot of water.


To conclude, a battery backup sump pump system should be your secondary line of defense system against extreme weather conditions such as heavy rainfall, power failures and storms. This type of back up system is the ultimate peace of mind for every homeowner. With a battery backup for sump pump a possibility of a flood is no threat at all.

Investing in a battery backup sump pump system will also help you save cost on cleaning and preventing damages from occurring in your property.



Bill is a DIY plumber, handyman, and homeowner with more than a decade of experience. He has replaced and repaired sump pumps, backup pumps, float switches, check valves, and many other things around his family home. An engineer and tinkerer at heart, he is always looking to see how things work and taking on new home projects that help him grow his skillsets. He is a husband and father of two boys, has a bachelors degree in Computer Engineer and minor in Mathematics and likes to make homebrew beer in his free time.

      Sump Pump Advisor