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5 Best Battery for Sump Pump Backup 2023

Best Battery for Sump Pump Backup

Best Battery for Sump Pump Backup

When it comes to choosing the best battery for sump pump backup, it is important to consider various factors such as size, price, and power capacity. It’s also important to understand the difference between different types of batteries and which type is best suited for your specific needs. There are many options available in the market. So researching the best options for a sump pump backup battery can help you make a decision.

A sump pump is a device that is designed to discharge groundwater or rainwater that accumulates in a sump pit. It prevents basement flooding and keeps basements dry. But what occurs when the power goes out? Sump pumps are ineffective without a secondary power source when the power goes out. Thus, a battery system for sump pumps is necessary.

The 5 Best Battery Backup Sump Pumps of 2023

1. WAYNE BGSP50 Guardian Basement Protection System

WAYNE BGSP50 Guardian Basement Protection System

The WAYNE BGSP50 Guardian Basement Protection System sump pump is designed to keep 11,000 gallons of water out of your basement on a single battery charge. It takes less than 15 minutes for installation

The WAYNE BGSP50 Guardian Basement Protection System consists of two fully submersible, nested sump pumps constructed of durable all-cast iron. A redundant reed float switch, with Apple iOS and Android apps, ensures continuous monitoring even when power is out.

It features a remote display box showing hours of pumping power, battery health and charge status, and water level for comprehensive monitoring. The system features fully redundant dual independent processors encased in a protective aluminum shell, ensuring robust and reliable performance.

2. Basement Watchdog Model Cits-50 Sump Pump

Basement Watchdog Model Cits-50 Sump Pump

The Basement Watchdog Model Cits-50 Sump Pump has a capacity of 3,540 GPH at 10 Ft. 4,400 GPH at lift and 0 Ft. The lift backup system has a capacity of 1,850 GPH at 10 Ft.

This system provides 24/7 monitoring of pump, power, and battery status. The backup controller alarms. The Basement Watchdog Model Cits-50 Sump Pump System can be connected to a Basement Watchdog Connect Module (BW-WiFi or BW-HZM) for real-time alerts via text, email, or the Basement Watchdog app.

It has a backup system providing intermittent pumping power for days on a single battery charge. The system is compatible with both wet cell and maintenance-free AGM batteries. You also have the option of connecting two batteries in parallel for double the run time.

3. Zoeller Aquanot 508 Sump Pump System w/ Battery

Zoeller Aquanot 508 Sump Pump System w Battery

Zoeller Pump Company has been a leader in providing advanced residential and commercial sump pumps for over 80 years. They are the oldest and largest family-owned water pump manufacturer in North America.

The Aquanot Fit 508 uses a 12-volt DC battery to work seamlessly with the primary sump pump. Which provides up to 6 hours of uninterrupted work. It activates automatically, pumping 35 gallons per minute (GPM) at a 10-foot maximum head when needed.

Aquanot Fit 508 comes with Z ControlĀ® connectivity, and built-in Wi-Fi for convenient alerts, self-tests, and smart diagnostics. It also includes a three-year limited warranty, ensuring peace of mind.

These sump pumps include a low battery indicator and automatic recharging features, ensuring that the pump is always ready to go into action when needed.

4. Superior Pump 92900 12V Battery Backup Sump Pump

Superior Pump 92900 12V Battery Backup Sump Pump

The pump is made from corrosion-resistant thermoplastic. The pump has an easy-to-remove and clean intake screen filter that effectively prevents debris from entering the motor. This design makes maintenance easy for users. The included thermoplastic battery box protects the 12-volt battery from both moisture and corrosion, ensuring it stays in top condition for a long time.

The Superior Pump is a backup pump only and is designed to be installed alongside the primary electric sump pump for comprehensive flood protection. The Superior Pump System can remove 1,080 gallons per hour (GPH) of water in a 10-foot lift.

5. Basement Watchdog Emergency Sump Pump

Basement Watchdog Emergency Sump Pump

Basement Watchdog Emergency Sump Pumps are a reliable and essential component for homeowners looking to protect their basements from potential flooding. Engineered to work efficiently in emergency situations, this sump pump helps prevent water damage and maintain a dry basement environment.

Basement Watchdog Emergency Sump Pumps feature dual float switch technology. This innovative design ensures that the pump is activated not only when the water level rises to a critical point but also when the primary float switch fails. This dual protection mechanism provides an added layer of security, assuring homeowners that their basement is constantly monitored for potential flooding.

Equipped with a powerful and energy-efficient motor, the Basement Watchdog Sump Pump can quickly remove large volumes of water from the sump pit. This capability is crucial during heavy rains, storms, or unexpected plumbing problems that can lead to water accumulation. The pump’s ability to handle high-capacity water flows makes it a reliable solution for demanding situations.

Installation and setup is user-friendly, making it accessible to homeowners with varying levels of DIY experience. The pump is designed to fit seamlessly into most sump pits, and its compact size ensures it doesn’t take up too much space.

Durability is a key factor in the design of basement watchdog emergency sump pumps. Constructed with high-quality materials, this sump pump can withstand the rigors of continuous operation.

To increase its efficiency, the Basement Watchdog Emergency Sump Pump also has a battery backup system. The Basement Watchdog Emergency Sump Pump is a reliable and efficient solution for homeowners

Battery Type

1. Deep Cycle Batteries

Deep cycle batteries are designed to provide power for longer periods of time at a lower discharge rate. They are commonly used for marine and RV applications, and are also a popular choice for sump pump backup systems.

Deep cycle batteries come in two types: flooded and sealed. Flooded batteries require regular maintenance, as they need to be filled with distilled water every few months. Sealed batteries, on the other hand, are maintenance-free and have an enclosed design that prevents acid leaks.

One of the best deep cycle batteries for sump pump backup is the AGM (Absorbent Glass Mat) battery. AGM batteries are sealed and maintenance-free and are designed to handle high discharge rates. They also have a longer lifespan than traditional flooded deep-cycle batteries, which makes them a popular choice for sump pump backup systems.

The VMAXTANKS VMAXSLR125 AGM Deep Cycle 12V 125Ah battery is a top-rated battery for sump pump backup. This battery has a long lifespan and is designed to handle high discharge rates. It comes with a two-year warranty and is maintenance-free.

2. Lithium-ion Batteries

Lithium-ion batteries are known for their high energy density, long lifespan, and fast charging times. They are commonly used in consumer electronics and electric vehicles and are becoming a popular choice for sump pump backup systems due to their low maintenance requirements and lightweight design.

One of the best lithium-ion batteries for sump pump backup is the Goal Zero Yeti 200X Portable Power Station. This battery has a capacity of 187Wh and can power a sump pump for up to 7 hours. It is also lightweight and compact, making it easy to transport and store.

Another option is the Lion Energy Safari UT1300 Lithium Iron Phosphate battery. This battery has a capacity of 105Ah and can power a sump pump for up to 20 hours. It also has a long lifespan and can be recharged over 2,500 times.

3. Lead-Acid Batteries

Lead-acid batteries are the most commonly used batteries for sump pump backup systems. They are affordable and can handle high discharge rates, making them a popular choice for homeowners.

There are two types of lead-acid batteries: flooded and sealed. Flooded batteries require regular maintenance, while sealed batteries are maintenance-free.

One of the best lead-acid batteries for sump pump backup is the Mighty Max Battery ML35-12. This battery has a capacity of 35Ah and is designed to handle high discharge rates. It is also maintenance-free and can be recharged over 500 times.

Backup Battery Sump Pump Cost

A sump pump battery backup is a system that keeps the sump pump working in case of a power outage. The average cost of installing a sump pump battery backup is $900 to $1,220, depending on the battery life and the model. Installing the system by yourself can save some money, but it may require some plumbing skills. A plumber will charge $608 to install a backup battery-operated sump pump.

How to Determine Best Battery for a Sump Pump Backup?

Choosing the right battery for your sump pump backup is important to ensure reliable operation during power outages.

1. Select the Battery Type:

There are various types of batteries available in the market. Such as deep-cycle marine batteries, AGM (absorbent glass mat) batteries, and maintenance-free batteries. Choose the type of battery that suits your needs and budget.

2. Consider the Capacity (Ah):

Battery capacity is measured in ampere-hours (Ah). Calculate the required capacity based on how long you want the sump pump to run during a power outage. Choose a battery with a higher Ah rating for longer backup time.

Conclusion

Choosing the best battery for your sump pump backup system is important to ensure your basement stays dry during a power outage. Deep cycle batteries, lithium-ion batteries, and lead-acid batteries are all good options. But it ultimately comes down to your personal needs and preferences.

If you are looking for a battery with long life and low maintenance requirements, AGM and lithium-ion batteries are good choices. If you’re on a tight budget, lead-acid batteries are the cheapest option.

Frequently Asked Questions (FAQ)

What Is the Best Type of Battery for a Sump Pump Backup System?

AGM stands for Absorbed Glass Mat and is a technologically superior battery, perfect for backup sump pump systems.

What Type of Battery Is Best for a Sump Pump?

A deep-cycle lead-acid battery (sometimes called a marine battery) is recommended for backup sump pumps. This type of battery is rated in ampere-hours (AH). The standard AH rating indicates the number of amps provided in excess of 20 hours.

How Long Do Deep Cycle Marine Batteries Typically Last in a Sump Pump Backup System?

The lifespan of a deep cycle marine battery can vary, but on average, you can expect them to last between 4 to 8 years. Regular maintenance, proper charging, and monitoring can help extend their lifespan.

Does Sump Pump Need Battery Backup?

These appliances are used to send water away from a house to a storm drain or drywell, preventing basements and lower parts of the house from flooding. Sump pumps will turn on more often in some areas, while in others, they may not turn on at all. However, it’s always good to have a battery backup for the pump.

How Many Hours Does a Sump Pump Battery Backup Last?

As a general rule of thumb, during a power outage most new fully-charged batteries will last roughly 5-7 hours of continuous pumping and roughly 1-3 days of non-continuous pumping depending on the frequency. The longer the pump runs, the less power it has.

How to Choose a Battery Backup Sump Pump?

To choose the right sump pump and battery backup system, you should consider the following factors:

  1. Battery type
  2. Battery capacity
  3. Pump capacity
  4. Alarm system
  5. Ease of installation

How Often Should a Sump Pump Battery Be Replaced?

When to Replace the Battery in Your Primary Sump Pump Battery Backup. Most battery backup pumps will last for 3 to 5 years, but there are a few things that can shorten their lifespan. If you live in an area with frequent power outages, your backup battery will be working harder and may need to be replaced more often.

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