Submersible pumps are special kind pump, where the whole assembly is submerged into the fluid to be pumped. The motor used in submersible pumps are hermetically sealed and close coupled to the pump body. Submersible pumps can be used for many different applications starting from domestic uses to drilling oil from offshore drilling rigs. The submersible pump used for household applications are generally small in size and runs on little amount of power. It can be used in the gardens, yards or rooms for various purposes like removing water from a flooded section of your house. These submersible pumps are known as “Sump pumps” in short.
Battery backup sump pumps are special kind of sump pumps that come with additional battery backup power. Battery backup sump pumps are mainly used to regulate the water flows in the basements while the primary sump pump is out of service. Sump pumps help you to keep your basement from any damages due to building up of water, preventing expensive damages that may occur due to the built-up water. Even sump pumps also help you to keep your basement dry by keep your basement from flooding and ensure healthy usage of your basement for any kind of household uses. Battery powered backup pumps come in all sizes, power levels, and performance ratings to fit your requirement level. Battery backup for sump pump is essentially useful in case of power outage, excessive rain or when your primary sump pump fails. It can also be used as your primary sump pump depending on your requirement.
In this article we will be reviewing over the pros and cons of some of the best battery back sump pump available in the market. We will also guide you through all the technicalities about the battery backup sump pumps and answer some frequently asked questions guiding you through about buying these battery powered sump pumps. Let’s start with the pros and cons of some very good sump pumps available in the market today.
Best Rated Battery Backup Sump Pump Reviews
- WAYNE WSS30V Primary and Battery Backup Sump Pump System
- WAYNE ESP25 Battery Backup Sump Pump System
- Zoeller 507 – 0005 Battery Backup Sump Pump System
- Liberty 441 Battery Backup Pump
- Basement Watchdog BW4000 battery powered backup sump pump
This pump is a preassembled 1/2 HP sump pump that comes with primary and battery powered backup system combined in a single system. Very easy to operate, the Wayne WSS30V allows you to just plug it play, as no extra complicated steps of installation are there. Below the pros and cons of this sump pump is mentioned.
- Being a pre-assembled unit, Wayne WSS30V is very easy to install and use.
- Wayne WSS30V operates quietly and doesn’t make much noise unlike the other brands of pumps in its class.
- All the machineries and parts of these pumps come with corrosion and rust protection.
- Heavy duty check valves of the Wayne WSS30V ensure the elimination of backfield during the pumping session.
- This pump is power efficient as its primary unit uses just 120 V and its back unit uses just 12 V drains out 4200 gallons and 3300 gallons of water per hour respectively.
- The Wayne WSS30V also comes with an alarm system and an LED indicator to keep you informed about its operational state.
- The operation of this pump can be hindered by small pits.
- Both the battery backup secondary pump and the primary pump suffer from short life span as compared to other sump pumps in its class.
- The package of the Wayne WSS30V does not contain any backup battery.
- And finally it is quite expensive as compared to other sump pumps in its class.
This is one of the best battery backup sump pumps available in the market today. Wayne ESP 25 is a 1/3 HP sump pump that uses a 12 Volt DC power source or a 12 Volt battery to operate. Below the pros and cons of the Wayne ESP25 are mentioned.
- Wayne ESP25 is one of the most efficient pumps available in the market today in its class.
- The pump possesses an audible alarm to let you stay informed about the operational state of the pump.
- Wayne ESP25 has pumping power of 1/3 HP, that is equivalent to the power of medium sized AC pumps available in the market today.
- The durability of this pump is commendable owing to its superior built quality.
- The Wayne ESP25 is fitted with an automatic system that enables this pump to engage itself automatically in emergency situations when the primary system fails.
- The alarm of this pump does not shut off; this is annoying to some of the customers.
- Battery charger cord length is reported to be a little short.
- The operation of this pump requires additional sump width.
Zoeller 507 – 0005
This is a basement sentry battery powered backup sump pump. This pre-assembled sump pump is operated by a 12 volt battery. Though the battery is not included in the package and you will need to buy a 12 volt deep cycle battery to operate the pump. Below, the pros and cons of the Zoeller 507 – 0005 sump pump are mentioned.
- The primary feature of this pump is that it can be added as a backup sump pump to almost over any primary sump pump system installed.
- The speller 507 – 0005 comes with high quality check valves.
- The housing of the pump is made of high quality thermoplastic making it corrosion proof.
- The Zoeller 507 – 0005 comes with many advanced features like LED indicator, audible alarm and LCD display to convey information regarding its operational status.
- The Zoeller is very easy to install and offers you flexibility of the battery group size.
- The quality of the sump pump is not up to the mark when compared to the sump pumps manufactured by other manufacturers in the same price bracket.
This is a battery backup sump pump system manufactured by Liberty pumps. The liberty 441 runs on a 12 V battery and runs automatically in case of power failure. However, this is strictly a backup pump and is advised not to use as your primary pump. Liberty 441 is not capable of handling the high discharge of primary sump pump systems. Pros and cons of this Liberty 441 sump pump are mentioned below.
- Liberty 441 sump pump possesses single piece design made of high quality cast iron, resulting in superior build quality.
- Epoxy paint finishing ensures the structure is corrosion proof.
- The Liberty 441 sump pump is capable of discharging small solids.
- The removal and installation of this sump pump is very easy.
- The vertical magnet flows allows this sump pump to operate in smaller pits.
- This sump pump is reported to operate quietly.
- The Liberty 441 sump pump is known to be heavy and comes without a handle.
- The default power cable provided with this sump pump is short.
- This pump is a little expensive than most of its counterparts.
Basement Watchdog BW4000
This is a pre-assembled sump pump, that comes with the primary and the battery powered backup sump pump combined into a single unit. This is compact sump pump unit, makes it suitable to be used in smaller pits. The basement watchdog BW4000 comes with a 1/3 HP motor. Pros and Cons of this sump pump are mentioned below.
- The preassembled unit of the Basement Watchdog BW4000 unit is very easy to install and use.
- This sump pump is very compact and thus it can be used in pits as small as 12 inch in diameter.
- This combined unit of both the primary and battery powered backup sump pump operates automatically. Whenever there is a power outage, the battery powered backup sump pump takes on the charge automatically.
- This sump pump unit is fitted advanced automatic alarm system to warn you in case of any difficulties in pumping operation and to keep you informed about its operational status.
- Even LED indicators are also installed in this unit.
- The Basement Watchdog BW4000 unit is quite expensive.
- This sump pump suffers from short life of the primary sump pump.
- There are some issues present with the durability and reliability of the unit.
The best battery for battery powered backup sump pumps
The Wayne WSB1275 75 Ah AGM sealed lead acid battery is one of the top batteries to be used with the battery backup sump pump systems. Some of the most important features of this 12 volt battery unite is mentioned below.
- This is a sealed lead acid battery and it does not require any filling.
- This battery holds its charge while sitting idle and known for its long life.
- This battery is completely maintenance free, thus making it very convenient to use.
- The housing material of this battery is thermoplastic, which makes it completely protected from any kind of corrosion from external sources.
- The compact size and light weight of this battery ensures hassle free and easy shipment or transport.
Though the Wayne WSB1275 battery is recommended to be used with Wayne pumps, but it is compatible with most of the battery powered backup sump pumps available in the market today.
Benefits using a battery backup sump pump
The primary function of a sump pump is to keep the basement of your home from flooding. However, battery powered backup sump pumps are there in the market for emergency situations like power outage, etc. Basement flooding may result in damage of your valuable properties and may even cause health issues if you spend longer times in the basement. So, it is necessary to keep your basement free from flooding. Below are some of the benefits of having a battery powered backup sump pump at your disposal.
- Power outage – Any kind of natural calamity in your area may result in power outage. And in case of power outage, your primary sump pump will cease to function that may result in flooding your basement. To avoid these kinds of situations, having battery back powered backup sump pump is a must.
- Primary pump failure – The primary pump used at home is electrical machinery. And it is quite evident that these kinds of machineries do fail. So, in case of primary pump failure, battery powered backup sump pump will come as your savior.
Apart from these extreme situations, battery powered backup sump pumps should also be used from time to time to shed the load from your primary sump pump. This will ensure that your primary pump lasts longer.
Battery Backup sump pump buying guide
Before buying a battery powered backup sump pump, you should be well aware of its technicalities and more importantly your requirements. There are numerous products of its own pros and cons are available in the market today, making it even difficult for you to choose the perfect device for your home. So, here some of the things to consider before buying a battery powered backup sump pump.
- Technology – There are two types battery powered backup sump pumps are available in the market today based on the type of technology used in them. DC batteries and AC/DC batteries are used in battery powered backup sump pumps. AC power is used while the power is on but whenever there is a power outage the sump pump system will shift to DC power. In case of the sump pumps with AC/DC systems, it will work on both AC power and DC power, and will switch between these as per requirement. However, the DC power systems will work only on battery.
- Battery – Moreover, the batteries used in the backup sump pump can be further classified into two types. The deep cycle marine batteries and the AGM batteries. The Deep cycle marine batteries require constant maintenance as you have to add distilled water to it from time to time. These are also known as wet cell batteries. However, the AGM batteries are advanced and are completely maintenance free. As an add-on, AGM batteries run for almost 50% longer than the older Deep cycle marine batteries. So, AGM battery powered backup sump pumps are, without any doubt, more easy and convenient to use.
- Construction – The construction of the sump pump is very important for the longevity of your sump pump’s life. There are two types of material used in the construction of sump pumps, plastic and cast iron. It is quite obvious that the sump pumps made of cast iron are sturdier in built quality and a little epoxy coating or painting over your cast iron made sump pump makes it immune to external corrosion.
- Performance – The performance of the sump pump is of primary importance and you need to ensure that you are buying the right sump pump. You should buy the sump pump that fits your requirement as far as the sump pump is concerned. In general, most of the sump pumps available in the market have an output of 2100 – 3600 gallons per hour. It is advised that you get a sump pump that at least matches or exceeds the minimum bound of the output.
- Store – Almost all the battery powered backup sump pumps come with warranty. So, in case of any issues with your sump pump you may need to take it to the dealer for further repair. So, to ensure hassle free and prompt services, it is recommended that you buy your battery powered backup sump pump unit from a reputed store.
So, the points mentioned above should help you to choose the perfect sump pump as per your requirement.
Tips for using battery powered backup sump pumps
After you thoroughly research and buy a perfect battery powered backup sump pump, now is the time to use it. Before using it, you should go through some tips given below to ensure that you use your battery powered backup sump pump properly.
- Power – The first and primary thing about your battery powered backup sump pump is to know how it is powered. If your sump pump system is DC/AC unit then it will trigger itself automatically when there is a power outage. However, some older systems and some DC only units are not automatic and require manual activation.
- Safety – Take proper precautions while operating the pump to ensure absolute safety and no mishaps. If the main power control of your entire house is located in the basement then do not walk on wet floors and rewire the basement with the help of an electrician. And it is advised that you do not touch the sump pump with wet hands.
- Battery – While using the battery powered backup sump pump, ensure that you are using a good quality and fully charged battery. And also ensure that the battery you are using in your battery powered backup sump pump is compatible, otherwise it may prove to be detrimental for the health your backup sump pump.
Following the above tips will ensure your safety and the longevity of your backup sump pump. So, take the precautions and use your backup sump pump with ease.
Frequently asked questions about battery powered backup sump pumps
Why do I need a battery backup sump pump?
The main reason behind using the battery powered backup sump pump is due to shortage of power. Power outage occurs every now and then due to various reasons like natural calamity or maintenance issues. Even your primary pump can fail anytime. So, in case of emergencies you do need the battery powered backup sump pump to ensure that your basement is not flooded. Apart from these, your battery powered backup sump pump can do parallel work with the primary sump pump to shed load from the primary sump pump.
What could cause sump pump failure?
As mentioned earlier, any sort of natural calamities or maintenance activities causing power outage in your area may result in the failure of your primary sump pump. Apart from that many technical issues with your sump pump may cause it to failure as your sump pump is constructed with many electrical, mechanical and moving parts. Even improper maintenance may lead to the failure of your sump pump. Overloading of your sump pump may also lead it fail, the most common parts of a sump pump that leads to failure is the float switch, as it easily gets clogged with debris or dirt.
I own a generator; would I still need to install a battery powered backup sump pump?
First of all, owning a generator is simply way costlier than owning a backup sump pump. However, if you already own a backup power generator you still need to own a battery powered backup sump pump, in case of primary pump failure. And it is quite evident that apart from power outage issues primary sump pumps do fail sometimes resulting in flooded basement. So, even if you own a backup power generator, it is advised that you install a battery powered backup sump pump to save basement in case of primary sump pump failure.
How easy it is to install a battery power backup sump pump?
The answer to this question primarily depends on the model of the battery powered backup sump pump you own or bought. New and advanced models of the battery powered backup sump pumps are mostly easy to use plug and play system. Even some of the advanced models of primary sump pumps come with a battery powered backup sump pump preassembled. However, some of the battery powered backup sump pump units are quite complex and requires an expert for installation purposes.
The acid in my battery exhausted; what should I do?
Most of the batteries used in modern battery powered backup sump pumps are powered by lead acid batteries. These lead acid batteries go through three phases in its entire life; formatting, peak and decline. After the decline phase, the acid present in the battery dries up. So, when this happens please check if your battery powered backup sump pump is within the warranty period. If yes, then you will probably get it replaced by the manufacturer itself, and if not then you have to re-acid or replace the battery.
Re-aciding the battery is a difficult job that requires special arrangements and not at all fruitful enough. So, it is advised that when the acid in your battery gets exhausted, simply replace the battery with a new one. And be sure to install a battery that is completely compatible with your battery powered backup sump pump and manufacturer recommended. This will ensure longer life time of your battery powered backup sump pump.
Can I connect two batteries together?
The answer is yes, you can actually connect two batteries together. However, you should check the amp-hour ratings of the batteries you are connecting. If you connect two batteries of different amp hour rated batteries in series, smaller one of the two differently rated batteries will get overcharged while the other one will not get fully charged, and in the long run, this is detrimental to the health of both the batteries. However, if you connect two different amp-hour rated batteries in parallel, then it is fine as both the batteries operate on the same voltage. Anyway, it’s a rigorous a task and be careful to check if your battery powered backup sump pump can handle the voltage.
How can I dispose of extra acid?
The battery acid can be disposed of in two ways; either by neutralizing it with baking soda in presence or water or by taking it to a place where hazardous material pick up or HazMat is available. Whatever option you choose, you should be well aware of the fact that, acid is a hazardous material and you needed to take care of it very cautiously.
So, it is quite obvious from the above discussion that the need of a battery powered backup sump pump in addition to a primary sump pump is indeed present. There are many unfortunate events may occur that could result in the failure of the primary sump pump. So, it is always safe to have that battery powered backup sump pumps to have complete peace of mind.
Here in this review, detailed lists of factors have been mentioned to help you buy the perfect battery powered backup sump pump for your home. Considering those factors will ensure that your valuable money is spent on the right product. Even some of the best battery powered backup sump pumps and their pros and cons have been mentioned in brief to help you choose the best one as per your requirement. Apart from that we have also answered some of the frequently asked questions to make sure that your doubts are cleared. And also make sure that the battery powered backup sump pump you bought is of the same output capacity as your primary sump pump. This will ensure that your backup sump pump system can handle anything that your primary pump handles.