5 Best Battery Backup Sump Pumps

By Floor Advisor Team

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Do you have a problem with waterlogging every now and then? If so, then you must have been looking forward to having a permanent solution to eliminate all the water logging problems.

Even if you have the primary pump, then you should choose to have the secondary sump pump which will help you in having the best relentless working mechanism of the water system even if there is any power cut.

Today we will be talking about the need for a battery backup sump pump, some of the best products, as well as the buyers, guide so that you can know the details about it and choose accordingly. Do ample market research before buying it so that you can have the best battery backup sump pumps.

Why do you need a battery backup sump pump?

In case the power goes out

It might happen that the power might go out every now and then in your area and that is the time when the pump is not power sourced, it will not be working in the perfect manner.

That is when you are more likely to be flooded. So that you can eliminate all chances of flooding, you will have to keep the battery power sump pump as a backup system.

It might not even be of great help when the power cut is caused because of the circuit breaker. Also, have you thought about what might happen if the power cord gets snapped accidentally?

Yes, then you definitely need the battery backup Sump Pump.

Excessive water clogging

In many cases, it has been seen that the power source might not work if there is more than necessary water clogging or even due to some mechanical problem happens.

The cord might go wrong or might even get tangled- so if you do not want to flood or want your basement to be damped, you have to make sure that flooding does not occur in any manner.

Float Switch deactivation

In some times, after prolonged use, the automatic float switch might go haywire, and that is the reason why you need to keep a backup system handy so that the pump can work unhindered.

Most of the experts say that if you do not have the battery backup sump pump, then it is not a complete sump pump kit at all! The backup will help you in maintaining the water systems and remove the extra water so that no water clogging can occur.

Top 5 Battery Backup Sump Pumps You Can Buy In 2021

1. Wayne ESP25 Upgraded 12 volt

(Best Battery Backup Pump)

Wayne has been designed in a manner so that it can be used for years to come without any damage to the product. It has the best of components and has been designed by the best professionals which makes it durable and one of a kind.

It is also high-powered and has a secure performance. It has been upgraded from the base level and does not get eaten up by them. It has been collected and assembled in the United States, which means that the performance can be high-end and can go on for years to come.

When the alarm goes off, it is audible enough so that you can hear it from a distance – so that you can know when the backup system has been activated.

The LED light is strong enough to let you know when the system is active and whenever the battery goes low and needs charging. The recommended battery use is the 75amp hour battery in collaboration with the WSB 1275 75amp hour battery for more extended durability of the product.


  • This device does not get corroded even after prolonged use because of cast iron built
  • Wayne sump pump works at 2900 GPH at 0’ so that the protection can be given to the sump pump
  • It has its very own alarm sounds which will alert you of the active backup system
  • Wayne Sump Pump is popular because of its 75 amp hour battery which has prolonged durability and WSB 1275 75 amp hour battery
  • Strong and sturdy built to ensure excellent durability
  • High-quality battery
  • Robust sensors and active backup system
  • It has to be checked regularly as sometimes the valve might get damaged after regular use
  • Also, you need marine type batteries for this device to run in the best manner

2. Zoeller 508-0005

(Best High-end Sump Sump)

If the reliable sump pump is what you are looking for, then you should definitely take a look at the Zoeller model because it is not only durable but also gives the much-needed high-end performance.

This makes sure that your basement is no longer damp or waterlogged in any manner. It is automated and self-contained with anti-corrosive features to look forward to.

It is of 12v powerful construction with high-end performance- so that it can be durable as well. The check valve is entirely integrated into the system, and the charging system can be disconnected quickly so that there is no chance of being overloaded.

Zoeller 508-0005 also has a brilliantly designed cooling plate as well as an aluminum seal pocket so that there is double protection over the pumping system.

The most impressive factor about this device is that every component has been handmade and is tried and tested in the United States so that the user can be assured while buying the product.

It has a three-year warranty and can also be used not only as a backup but also as a primary water pumping system. The Aquanaut battery structure has been implemented to make sure of the fact that it can run for long without any interruption.

The entire device weighs- 16.3pounds and the dimensions are 8.5inches*8.5inches*8.5inches.


  • It has been tried and tested to be anti-corrosive by nature.
  • It has been designed in a brilliant manner so that it has a self-recharging
  • It has a tremendous auxiliary alarm contact which has a set of dry security alarms to let you know if something is wrong.
  • The battery has been implemented abiding by the California Battery Council Standards
  • Good battery power
  • Easy to handle switch
  • Noncorrosive by nature
  • Best design engineering
  • The 12v battery will not be included in the box
  • It is not a Bilge Pump so it will serve single task only

3. Liberty Pumps SJ 10 1-½ INCH Discharge Sump

(Jet Water Powered Backup Pump)

Liberty Pumps makes sure of the fact that even after prolonged use of the pump in the water, there will be no rust or corrosion, so you do not have to be apprehensive about the damage in any manner.

It is absolutely certified and has high-end performance.  The source pressure has a great inlet pressure and is suitable for continuous water flow spaces.

Liberty Pump Sj 10 has been approved by the UPC, and it also has a screen that comprises a detachable foot valve.

It has a warranty of two years from the manufacturer, and it gives the assurance that all the components have been tried and tested by the expert.


  • It is hardy because it has the capacity to accept 20 PSI inlet supply pressure, which can go up to 100 PSI
  • It has been approved by the UPC, and it has a ¾ NPT water connection
  • It has strong LED sensors which are complete with a built-in screen
  • The batteries are not included in the system on unboxing but is the best to use marine type
  • Good warranty service
  • Durable system
  • International standards abided
  • Free from factory defects
  • The power source is corded so that you might need an extension cord to reach from the power plug

4. Superior Pump 92900 12V

(Battery Backup Submersible Sump Pump with Tethered Switch)

Superior Pump is placed in a thermoplastic pump so even in case of extreme hot or cold conditions; the pump will not be affected by the water temperature in any way.

The construction is made up of high-end thermoplastic so that installation is easy and durable as well.

The electronics have been designed in a brilliant way which comprises of an alarm system, thus making the sump pump super protected.

The operation is entirely smooth, and therefore you will not have to be apprehensive about the sump pump working. It has the capacity of moving 1380 gallons per hour and has a head of 25 feet.

The construction is tough and made up of high-end thermoplastic to make it durable.

Superior Pump 92900 has 1-1/4inch or 1-½ inch automatic discharge so that it is versatile- and has been factory tested to be picture perfect. It has been built to be absolutely perfect and high-performing to run for years on end.


  • It is a sturdy Pump which is mainly used in large basements
  • The switch is also automatic by nature which makes the system impressive
  • The battery of the sump pump has been implemented with an alarm system
  • It has a high powered battery, and it is submerged in the water – but it is durable
  • High powered Pump
  • High-quality thermoplastic security used
  • Reliable ⅓ horsepower motor
  • The batteries are not included in the product
  • The warranty of the manufacturer needs to be requested

5. Zoeller 508-0006 Aquanot 508 ProPak 53

(Preassembled Sump Pump System with Battery Backup)

This Zoeller Model is compact as well as strong and sturdy so that it can be durable for years.

This gives the users the reliability about buying these pumps so that they can be effective in eliminating the water from the basement.

It has been created out of the tried and tested components of Zoeller so that it can sustain even in extreme conditions and is comprising of the warning systems as well.

Zoeller 508-0006 has a compact design with the best secondary protection so that you will be able to install it and go for a reliable system.

It comprises a 115v pump and a backup system of 115 volt DC. It has a solid automatic power charger with an active alarm, indicator as well as a warning system.


  • It has been created out of sturdy 1- 1’2 inches thick PVC pipe
  • It also gives great overcharging protection and is self-contained
  • It has a strong LED system which always displays the voltage of the battery
  • The battery box is included
  • Auto switch and auto dialer
  • Strong alert system
  • High-end efficiency
  • High profile technology in a compact design
  • Not a Bilge sump Pump
  • The batteries are not included in unboxing
  • You might need assistance

Buyer’s Guide of the Battery Backup Sump Pump

Not only is it essential to look at the best products but you also need to know about the buying guide of the products so that you can buy in accordance with your convenience., Now let us take a look at some of the best factors to check out while buying the product so that there are no loopholes for regret.


This is one of the most important things that you should consider so that you can buy the perfect sump pump.

If your sump is a bit smaller, then you have to make sure that you buy the smaller-sized pump so that it is efficient.

In the case of some sump pumps, they need to have a configuration so that it can work in the best possible manner so that you will be able to install the unit with perfection.

If there is an improper installation, you will have mechanical problems and very frequent flooding. So see to it that there is no angular installation or any kind of inaccuracy while installing the system.

Also, you can use the smaller sump pumps to act as a backup for the bigger pumps so that the two units can work in sync, which is good because you will not have to check the time and again whether the pump is working or not.

Even if it is not working, the battery pump will be able to work instead.


This is the kind of sump pump that does not work on the A/C power and on the batteries. Therefore, this is another thing that you definitely have to look forward to.

It is true that the battery backup sump pumps will not be able to work as much as the power sourced ones- but it is indeed great during times of emergency.

In the case of rainstorms, the power cut is an inevitable thing which is the reason why you might have to fight with the flooded basement.

But make sure of the fact that the backup option that you are having is of great power so that you can rely on the system.

Check the manufacturer’s system so that it can give you a guarantee regarding the water pushing capacity. It is always better to look at some of the best products to have the most powerful of the lot.


Of course, another important thing to look forward to is the quality of the sump pump so that you can no longer be apprehensive about the same.

Make sure that you are choosing none but the best quality models so that you can be at your stable peace of mind, even while you are absent from your home for long hours.

Make sure that you have the best sump pump with the plastic shell so that it will be lighter than the cast iron model and is not going to be eaten away quickly.

Final Words

Now that you have been already seen the best products of the lot, you will be able to make sure of the fact that you choose the Zoeller 508-0006 so that you will be able to get the best of the lot and great facility services out of it. So why not check it out for a bit and then decide for yourself?

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