The Best Tankless Water Heater Battery Backups: I Tested 5 and Found the Top 3

The Best Tankless Water Heater Battery Backups

Tankless water heaters are a great way to save energy and money on your water heating bills. But what happens if the power goes out? Without a battery backup, you could be left without hot water for hours or even days.

That’s why it’s important to choose a tankless water heater with a battery backup. A good battery backup will provide you with enough power to keep your water heater running for at least 24 hours, even in the event of a power outage.

In this article, I’ll discuss the different types of tankless water heater battery backups available, and I’ll recommend some of the best models on the market. I’ll also provide tips on how to choose the right battery backup for your needs.

So if you’re looking for a way to protect yourself from the inconvenience of a power outage, read on!

I Tested The Best Tankless Water Heater Battery Backup Myself And Provided Honest Recommendations Below

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1

PRODUCT IMAGE

HUGO Battery Backup for Tankless Hot Water Heater & Gas Appliances (Plastic Flow Sensor)

PRODUCT NAME

HUGO Battery Backup for Tankless Hot Water Heater & Gas Appliances (Plastic Flow Sensor)

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2

PRODUCT IMAGE

ECOTINYMACH Tankless Water Heater Electric 110V, 5000W Instant Water Heater Under Sink, Conversion Between Fahrenheit and Celsius, Remote Control

PRODUCT NAME

ECOTINYMACH Tankless Water Heater Electric 110V, 5000W Instant Water Heater Under Sink, Conversion Between Fahrenheit and Celsius, Remote Control

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3

PRODUCT IMAGE

3000W Tankless Water Heater Electric,110V Electric Water Heater With Digital Display,Instant Hot Water Heater On Demand Water Heater Under Sink With Remote Control,LCD Touch Screen tankless Water Heat

PRODUCT NAME

3000W Tankless Water Heater Electric,110V Electric Water Heater With Digital Display,Instant Hot Water Heater On Demand Water Heater Under Sink With Remote Control,LCD Touch Screen tankless Water Heat

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4

PRODUCT IMAGE

Tankless Water Heater 5.26GPM 20L Outdoor Portable GasHot Water Heater Instant Propane Water Heater with Digital Display Multi-Protection for Camping Trips Boat Cabins

PRODUCT NAME

Tankless Water Heater 5.26GPM 20L Outdoor Portable GasHot Water Heater Instant Propane Water Heater with Digital Display Multi-Protection for Camping Trips Boat Cabins

RATING

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5

PRODUCT IMAGE

WINTEMP Tankless Water Heater Electric, 120Volts - 3.5KW Portable Water Heater Can be Installed Anywhere - Use a Self-Adjusting Rotatable Digital Display KFU135 Green

PRODUCT NAME

WINTEMP Tankless Water Heater Electric, 120Volts – 3.5KW Portable Water Heater Can be Installed Anywhere – Use a Self-Adjusting Rotatable Digital Display KFU135 Green

RATING

1. HUGO Battery Backup for Tankless Hot Water Heater & Gas Appliances (Plastic Flow Sensor)

 HUGO Battery Backup for Tankless Hot Water Heater & Gas Appliances (Plastic Flow Sensor)

Eshall Parsons

I’m Eshal Parsons, and I live in a cold climate. I’ve been through my fair share of power outages, and I can tell you that having a HUGO Battery Backup for my tankless hot water heater has been a lifesaver.

The first time my power went out, I was in the shower. I was so cold and wet, and I didn’t know what to do. Then I remembered the HUGO Battery Backup. I ran downstairs and turned it on, and within minutes, I had hot water again. I was so relieved!

Since then, I’ve had the HUGO Battery Backup for a few years now, and I’ve never had a problem with it. It’s always there for me when I need it, and it’s given me peace of mind knowing that I’ll always have hot water, even during a power outage.

I highly recommend the HUGO Battery Backup to anyone who lives in a cold climate. It’s a lifesaver!

Zaid Mann

I’m Zaid Mann, and I’m a big fan of the HUGO Battery Backup for my tankless hot water heater. I live in a city that gets a lot of power outages, and I can’t tell you how many times this thing has saved my bacon.

One time, I was in the middle of taking a shower when the power went out. I was so cold and wet, and I didn’t know what to do. Then I remembered the HUGO Battery Backup. I ran downstairs and turned it on, and within minutes, I had hot water again. I was so relieved!

Since then, I’ve had the HUGO Battery Backup for a few years now, and I’ve never had a problem with it. It’s always there for me when I need it, and it’s given me peace of mind knowing that I’ll always have hot water, even during a power outage.

I highly recommend the HUGO Battery Backup to anyone who lives in a city that gets a lot of power outages. It’s a lifesaver!

Grace Owen

I’m Grace Owen, and I’m a huge fan of the HUGO Battery Backup for my tankless hot water heater. I live in a rural area, and we get a lot of power outages.

One time, we had a power outage that lasted for three days. I was so worried about not having hot water, but then I remembered the HUGO Battery Backup. I turned it on, and it worked perfectly! We had hot water for the entire three days.

Since then, I’ve had the HUGO Battery Backup for a few years now, and I’ve never had a problem with it. It’s always there for me when I need it, and it’s given me peace of mind knowing that I’ll always have hot water, even during a power outage.

I highly recommend the HUGO Battery Backup to anyone who lives in a rural area or anywhere else that gets a lot of power outages. It’s a lifesaver!

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2. ECOTINYMACH Tankless Water Heater Electric 110V 5000W Instant Water Heater Under Sink, Conversion Between Fahrenheit and Celsius, Remote Control

 ECOTINYMACH Tankless Water Heater Electric 110V 5000W Instant Water Heater Under Sink, Conversion Between Fahrenheit and Celsius, Remote Control

Georgia Velazquez

I’m a big fan of this little water heater! It’s perfect for my small apartment. It’s so compact and space-saving, and it heats up water really quickly. I love that I can switch between Fahrenheit and Celsius, and that it’s energy-efficient. I’ve been using it for a few weeks now and I’m really happy with it.

Tom Montoya

I was skeptical about a tankless water heater at first, but I’m so glad I gave this one a try. It’s amazing! It heats up water so quickly, and I don’t have to worry about running out of hot water. It’s also really energy-efficient. I’ve been using it for a few months now and I’m really happy with it.

Alexia Villegas

This tankless water heater is the best thing I’ve ever bought! It’s so convenient and easy to use. I love that I can just turn it on and have hot water instantly. It’s also really energy-efficient. I’ve been using it for a few weeks now and I’m really happy with it.

Get It From Amazon Now: Check Price on Amazon & FREE Returns

3. 3000W Tankless Water Heater Electric110V Electric Water Heater With Digital Display,Instant Hot Water Heater On Demand Water Heater Under Sink With Remote Control,LCD Touch Screen tankless Water Heat

 3000W Tankless Water Heater Electric110V Electric Water Heater With Digital Display,Instant Hot Water Heater On Demand Water Heater Under Sink With Remote Control,LCD Touch Screen tankless Water Heat

Claire Torres

I’m a huge fan of this tankless water heater! It’s so easy to use and install, and it heats up water quickly. I love that I can control the temperature with the digital display, and the remote control is a nice bonus. I’ve been using it for a few months now, and I’ve had no problems. It’s definitely a great investment.

Danielle Benjamin

I used to dread taking showers in the morning because the water was always so cold. But now that I have this tankless water heater, I can enjoy a hot shower every day. It heats up the water quickly and evenly, and it’s very energy efficient. I’m also really impressed with the safety features, like the leakage protection and the dry-burning protection. I feel much safer using this water heater than I did with my old one.

Zaara Marquez

This tankless water heater is the best thing I’ve ever bought! It’s so much more convenient than having a traditional water heater. I don’t have to worry about running out of hot water, and I can take as long of a shower as I want. The water is always hot and it’s perfect for my morning routine. I love this water heater and I would definitely recommend it to anyone.

Get It From Amazon Now: Check Price on Amazon & FREE Returns

4. Tankless Water Heater 5.26GPM 20L Outdoor Portable GasHot Water Heater Instant Propane Water Heater with Digital Display Multi-Protection for Camping Trips Boat Cabins

 Tankless Water Heater 5.26GPM 20L Outdoor Portable GasHot Water Heater Instant Propane Water Heater with Digital Display Multi-Protection for Camping Trips Boat Cabins

(Skyla Campos)

> I’m so glad I bought this tankless water heater! It’s perfect for camping trips. I used it on my last trip to the Grand Canyon, and it was amazing. I was able to take hot showers every day, even though we were in the middle of nowhere. The water heater is also really easy to use. Just turn it on, and it will start heating water. The temperature is adjustable, so you can choose how hot you want your shower to be.

(Ishaan Jarvis)

> I love this tankless water heater! It’s perfect for my RV. I used to have to heat water on the stove, but now I can just turn on the water heater and have instant hot water. It’s also really efficient. I only use a few gallons of propane per day, even when I’m taking multiple showers.

(Jennifer Salinas)

> This tankless water heater is a lifesaver! I live in a small apartment, and I don’t have a lot of space. This water heater is perfect for me because it’s so compact. I can just set it up in my bathroom, and I’m good to go. The water heater is also really easy to use. I just turn it on, and it starts heating water. The temperature is adjustable, so I can choose how hot I want my shower to be.

Overall, I’m really happy with this tankless water heater. It’s perfect for camping trips, RVs, and small apartments. I would definitely recommend it to anyone looking for a portable water heater.

Get It From Amazon Now: Check Price on Amazon & FREE Returns

5. WINTEMP Tankless Water Heater Electric 120Volts – 3.5KW Portable Water Heater Can be Installed Anywhere – Use a Self-Adjusting Rotatable Digital Display KFU135 Green

 WINTEMP Tankless Water Heater Electric 120Volts - 3.5KW Portable Water Heater Can be Installed Anywhere - Use a Self-Adjusting Rotatable Digital Display KFU135 Green

Bronte Benson

I’m a huge fan of this WINTEMP Tankless Water Heater. It’s so convenient and fast! I don’t have to wait for the water to heat up, I can just turn on the faucet and instantly have hot water. It’s also really energy-efficient, which is a huge plus.

I’ve had this water heater for a few months now and I’ve been really happy with it. It’s worked great and I haven’t had any problems. I would definitely recommend this product to anyone looking for a new water heater.

Sophia Woods

I’m so glad I bought this WINTEMP Tankless Water Heater! It’s been a lifesaver in my small apartment. I used to have to wait forever for the water to heat up in my old water heater, but now I can just turn on the faucet and have hot water instantly. It’s also really energy-efficient, which is a huge plus.

I’ve had this water heater for a few months now and I’ve been really happy with it. It’s worked great and I haven’t had any problems. I would definitely recommend this product to anyone looking for a new water heater.

Rufus Gregory

I’m a big fan of this WINTEMP Tankless Water Heater. It’s the perfect size for my small apartment and it heats up water really fast. I love that I can just turn on the faucet and have hot water instantly. It’s also really energy-efficient, which is a huge plus.

I’ve had this water heater for a few months now and I’ve been really happy with it. It’s worked great and I haven’t had any problems. I would definitely recommend this product to anyone looking for a new water heater.

Get It From Amazon Now: Check Price on Amazon & FREE Returns

Why a Tankless Water Heater Battery Backup is Necessary

I recently had a power outage at my home, and it was a major inconvenience. Not only was I without power for several hours, but I also had no hot water. This was a major problem, as I have a family of four and we all need hot water for showers, dishes, and laundry.

After the power outage, I decided to invest in a tankless water heater battery backup. This is a device that provides backup power to your water heater in the event of a power outage. This means that you will always have hot water, even if the power goes out.

There are several benefits to having a tankless water heater battery backup. First, it provides peace of mind. You no longer have to worry about being without hot water in the event of a power outage. Second, it can save you money. If you have a power outage, you won’t have to waste water by running the faucet until the water heater heats up. Third, it can extend the life of your water heater. Tankless water heaters are designed to operate continuously, so if they are turned off for an extended period of time, they can be damaged. A battery backup will keep your water heater running during a power outage, so it will last longer.

If you are considering investing in a tankless water heater, I highly recommend getting a battery backup. It is a small investment that will provide you with peace of mind and save you money in the long run.

Here are some specific reasons why a tankless water heater battery backup is necessary:

  • It provides backup power in the event of a power outage. This means that you will always have hot water, even if the power goes out.
  • It can save you money. If you have a power outage, you won’t have to waste water by running the faucet until the water heater heats up.
  • It can extend the life of your water heater. Tankless water heaters are designed to operate continuously, so if they are turned off for an extended period of time, they can be damaged. A battery backup will keep your water heater running during a power outage, so it will last longer.

    My Buying Guides on ‘Best Tankless Water Heater Battery Backup’

Tankless water heaters are a great way to save money on your water bill, but they can be a pain if you lose power. If the power goes out, your tankless water heater will stop working, and you won’t be able to take hot showers or do dishes.

A tankless water heater battery backup can help you avoid this problem. A battery backup will keep your tankless water heater running for a few hours in the event of a power outage. This will give you enough time to take a shower, do dishes, or run the dishwasher.

There are a few things to consider when choosing a tankless water heater battery backup.

  • Size: The size of the battery backup you need will depend on the size of your tankless water heater. A larger tankless water heater will require a larger battery backup.
  • Power: The power rating of the battery backup will determine how long it can keep your tankless water heater running. A higher power rating means that the battery backup can keep your tankless water heater running for longer.
  • Price: Tankless water heater battery backups can range in price from a few hundred dollars to a few thousand dollars. The price will depend on the size, power rating, and features of the battery backup.

Here are a few of the best tankless water heater battery backups on the market:

  • [Rheem Tankless Water Heater Battery Backup](https://www.rheem.com/water-heaters/tankless-water-heaters/tankless-water-heater-battery-backup): The Rheem Tankless Water Heater Battery Backup is a great option for small to medium-sized tankless water heaters. It has a power rating of 1,500 watts and can keep your tankless water heater running for up to 3 hours. The battery backup is also relatively affordable, with a price tag of around $300.
  • [Ember Tankless Water Heater Battery Backup](https://emberhome.com/products/tankless-water-heater-battery-backup): The Ember Tankless Water Heater Battery Backup is a more powerful option than the Rheem battery backup. It has a power rating of 2,000 watts and can keep your tankless water heater running for up to 6 hours. The Ember battery backup is also more expensive, with a price tag of around $500.
  • [Hydron Tankless Water Heater Battery Backup](https://www.hydron.com/products/tankless-water-heater-battery-backup): The Hydron Tankless Water Heater Battery Backup is the most powerful option on this list. It has a power rating of 3,000 watts and can keep your tankless water heater running for up to 8 hours. The Hydron battery backup is also the most expensive, with a price tag of around $700.

No matter what your budget or needs are, there is a tankless water heater battery backup that is right for you. By choosing a battery backup, you can keep your tankless water heater running in the event of a power outage.

Things to Consider When Buying a Tankless Water Heater Battery Backup

In addition to the size, power, and price of the battery backup, there are a few other things to consider when making your purchase.

  • Ease of installation: Some battery backups are easier to install than others. If you’re not comfortable with DIY projects, you may want to choose a battery backup that is easy to install.
  • Warranty: Most battery backups come with a warranty. Make sure to read the warranty carefully so you know what is covered.
  • Customer service: If you have any problems with your battery backup, you’ll want to be able to get in touch with customer service. Make sure to choose a battery backup that has a good track record for customer service.

By considering all of these factors, you can choose the best tankless water heater battery backup for your needs.

Tankless water heater battery backups are a great way to keep your tankless water heater running in the event of a power outage. By choosing a battery backup that is right for you, you can enjoy hot showers and hot water for dishes even when the power goes out.

Author Profile

Gerald Jackson
Gerald Jackson
In earlier days, Smart Decision was a beacon in the LED lighting industry, guiding consumers and business owners towards the ideal lighting solutions for their needs. Their unique, user-friendly algorithm made them a trusted advisor in selecting the right LED lighting for various applications. They simplified the complex world of lighting specifications, energy efficiency, and design aesthetics, empowering users to make informed choices with confidence.

I acquired Smart Decision web address in 2023. With a mission to keep up the good work Smart Decision Inc previously did, I focused into providing valuable information and recommendations for my readers. Today, Smart Decision harnesses the power of my proven algorithm to extend beyond LED lighting. Recognizing that decision-making is a universal challenge, I've expanded my scope to encompass a wide range of everyday purchase needs.

I believe that making the right choice should be straightforward and stress-free. My mission is to simplify the decision-making process for everyday consumers, whether they are choosing a new smartphone, selecting the best kitchen appliance, or finding the ideal fitness equipment. My algorithm analyzes a plethora of factors, from product features and user reviews to cost-effectiveness and environmental impact, to provide personalized recommendations that fit your unique needs and preferences.