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Generac 22kW Generator
With Replacement Guide
battery by whatgenerators

Best Battery for Generac 22kW Generator

Regarding finding the best battery for Generac 22kW generator, I can confidently say that your journey will be both fascinating and challenging.

 

I’ve been using this generator since September 2015, and once I had to replace the original battery that came with it, the real adventure began. Little did I know that the market would be flooded with options that didn’t quite fit the bill for my Generac 22 KW. But let me tell you, persistence pays off! After trying out multiple batteries and putting in some good old trial and error.

Finally found the perfect battery solution for Generac 22 kW generator. And in this article, I would like to share all the details, to have a smoothest experience with your Generac 22kW generator. Let’s dive right in!

Have a look at the most recommended batteries.

Brand: ‎Interstate Batteries
CCA: 550 CCA
Size: ‎8.19 x 6.78 x 6.5 inches
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Brand: ODYSSEY
CCA: 675 CCA
Size: ‎13.25 x 9.5 x 11 inches
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Brand: WEIZE
CCA: 680CCA
Size: 6.89"D x 9.52"W x 7.48"H
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Brand: Renegade
CCA: 600 CCA
Size: 6.89"D x 8.25"W x 7.48"H
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TYKOOL XLZ0010 Lithium Battery
$386.00

TYKOOL XLZ0010 Lithium Battery

Brand: TYKOOL
CCA: 1200CCA
Size: 6.85"D x 10.9"W x 7.5"H
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Cold Cranking Amps (CCA) Power Comparison

CCA

This compare bar shows the Cold Cranking Amps (CCA) power of each battery.

Table of Contents

Detailed Specification

8.5Expert Score
Interstate ‎MT-26R 550 CCA Battery

Delivers reliable battery life and enhanced performance in hot to moderate climates. Delivers 550 Cold-cranking amps (CCA) and has 90 minutes of reserve capacity. Delivers 25-30 cycles at 80% depth of discharge. The price of this battery includes a Refundable Core Deposit.

Colod Cranking Amps
10
Size
9.5
Re-Charging
9.5
Users Rattings
10
Positive
  • Perfect Size for Generac 22kW
  • Exact size required for Generac 22 kW
Negatives
  • No service center available

The Interstate MT-26R 550 CCA Battery is a highly quality reliable battery perfect for Generac 22 kW generator. With 550 Cold Cranking Amps (CCA) and a 90-minute reserve capacity, it performs well even in cold weather. 

This Group Size 26R battery also fits over 500 different car models. Ideal for hot to moderate climates, it features a high electrolyte-to-lead ratio, making it durable and able to withstand extreme temperatures, offering 25-30 cycles at 80% depth of discharge. 

Since 1952, Interstate Batteries has been a trusted brand known for dependability and customer care, also leading in battery recycling. The price includes a Refundable Core Deposit, so return your old battery to any Interstate All Battery Center to get your deposit back. The MT-26R is a great, long-lasting choice for many vehicles, especially in hotter climates.

9.4Expert Score
TYKOOL XLZ0010 Lithium Battery

High Performance and long service life. 40AH capacity. with most powerful 1200 CCA and protection from overcharge and discharge, over current, and short circuits, also includes against extreme heat and cold. 36-month warranty. 30 days return policy.

Positive
  • Best Starting Power with 1200 CCA
  • Maintenance free
  • 40 Ah charge storing capacity
Negatives
  • The price is higher than others of this size

The TYKOOL XLZ0010 Lithium Battery is an excellent choice for Generac 22 kW generator, no need for maintenance, and it comes fully charged and ready to use. This battery has impressive features, including weight of 11.69 pounds, 12.8V voltage, and a 40Ah capacity. 

Its high 1200 Cold Cranking Ampere (CCA) ensures reliable starting power, even in cold weather. The built-in Battery Management System (BMS) protects against overcharge, over-discharge, over-current, and short circuits, making it safe and reliable. 

With up to twice the cycle life of conventional batteries and a faster charging time, the TYKOOL Lithium Battery provides stable and strong power. Plus, it comes with a 36-month warranty and excellent customer support, making it a confident purchase for anyone needing a dependable battery for their generator.

9.2Expert Score
Odyssey ODP-AGM35 AGM Battery

Designed to handle the increased use of onboard accessories. ODYSSEY Performance Series batteries combine long service life. This battery is slightly less deep. 50 pounds weight

Positive
  • A perfect alternative for you Generac Battery
  • 100 CCA more power than original battery

The Odyssey ODP-AGM35 Performance Series AGM Battery is an incredibly reliable and robust power source that delivers unparalleled performance.

This product will ONLY work with generators with EXACT dimensions of 8.25 x 6.89 x 7.48 inches AND a voltage of 12 Volts. It is an INCREDIBLY powerful AND lightweight device, weighing ONLY 32 pounds. 

A notable feature of this product is its sealed, maintenance-free battery, ensuring that you don’t have to fret about any leak or corrosion-related problems.

If you’re searching for a durable and low-maintenance power solution. This solution is suitable for use in your vehicle or any other equipment and guarantees dependable performance without any hassle. Choosing this option for your power needs is a clear and effortless decision.

8.8Expert Score
Renegade ‎RG26P-WS 600+ CCA AGM BATTERY

600 Cold Cranking Amps (CCA’s) A maintenance-free battery that will not leak or corrode. Fully charged and tested before it leaves our warehouse.

Positive
  • A perfect alternative for you Generac Battery
  • Exact same CCA required by Generac generator

The TYKOOL XLZ0010 Lithium Battery is a recommended battery for the Generac 22 kW generator. It’s a sealed, maintenance-free battery, so you don’t have to worry about leaks or corrosion. Each battery comes fully charged and tested, with an analysis report included, so you know it’s ready to use. One thing to keep in mind is that even though it’s the same size as the OEM battery 4014132, you might need to modify or replace your existing tie-down bracket for it to fit properly. Overall, it’s a reliable and convenient option for your generator.

8.2Expert Score
WEIZE 680CCA Platinum AGM Battery

Maintenance fee (leakproof & non-spillable) Battery Technology: Absorbed Glass Mat (AGM) Rated capacity: 60ah RC (min) Reserve capacity: 100 CCA -18℃(A): 680

Positive
  • A perfect budget friendly alternative for you Generac Battery
  • Exact same CCA required by Generac generator

The TYKOOL XLZ0010 Lithium Battery is a fantastic choice for your Generac 22 kW generator. This battery delivers reliable performance and lasts up to twice as long as conventional batteries, thanks to its advanced technology. It has a 12V nominal voltage and a 60 Ah capacity, ensuring consistent power and faster recharging. 

With a cold cranking amps (CCA) of 680, it provides quick and reliable starts, even in cold weather, and resists internal corrosion from heat. The battery is designed to be low maintenance, easy to install, and has a leak-proof, non-spillable design for safety and durability. It operates in temperatures ranging from -22°F to 158°F and comes with a 3-year warranty for peace of mind

Replacement and Maintenance Guide

What size Battery do I need for my Generac 22kW Generator?

For your Generac 22kW generator, it’s best to use a Group 26R or Group 35AGM battery. Generac officials recommend these sizes because they meet the necessary power requirements. Make sure the battery has at least 550 cold cranking amps (CCA) and is a 12-volt battery. The dimensions should be approximately 8.19 inches in length, 6.81 inches in width, and 7.75 inches in height. Following these guidelines will ensure your generator runs smoothly and reliably.

Importance of Choosing the Right Battery for Your Generator

Choosing the right battery for your Generac 22kW generator is essential for smooth operation during power outages. A higher capacity battery ensures your generator starts easily. It’s important to select a battery that fits properly in the generator’s battery slot and is compatible with your Generac model. Durability is another key factor “a battery made from high-quality materials” can withstand extreme temperatures and vibrations, ensuring reliable performance.

Factors to Consider When Selecting a Battery for Generator

While selecting a battery for Generac 22 kW generator it is important to check the following factors.

  1. Group size.
  2. Capacity measured in ampere-hours (Ah). 
  3. Cold Cranking Ampere (CCA).
  4. Compatibility with your generator model.
  5. Durability or quality of battery brand.
  6. Maintenance Requirements.
  7. The price of battery.

after considering these factor you can find best battery for your generac 22 kW generator.

A Step-By-Step Battery Replacing Guide for Generac 22kW Generator

If you need to replace the battery in your Generac 22kW generator, don’t worry! It’s a simple process that can be done with just a few basic tools and without any advanced technical knowledge. Just follow these easy step-by-step instructions to ensure a seamless battery replacement:

 

Safety First: Before beginning any work on your generator, turn it off and disconnect it from the power source. Also, remember to wear proper safety equipment like gloves and safety glasses to protect yourself.

 

Locate the Battery: To find the battery in your Generac 22kW generator, uncover the generator from top and front sides, now the battery can be found in the bottom right side of generator.

 

Disconnect the Old Battery: First disconnect the negative (-) terminal of the battery. You can use a wrench or socket set to loosen and remove the nut. Once the negative terminal is disconnected, follow the same steps to disconnect the positive (+) terminal.

 
Remove the Old Battery: Please handle the removal of the old battery with care, as batteries can be heavy. Lift it out of the compartment slowly and place it aside for proper disposal according to local regulations.

Prepare the New Battery: Before installing the new battery, carefully check for any damage or defects. Make sure it meets the same voltage and capacity specifications as your old battery.

Install the New Battery: Please be cautious when placing it into the designated compartment, ensuring it is firmly and securely seated. Begin by connecting the positive terminal, sliding it onto the battery post, and tightening the terminal nut. Afterward, repeat the same process for the negative terminal.

 

Test the Battery: After securely installing the new battery, switch on the generator and check if it functions properly. Verify that it starts smoothly and performs according to expectations.

 

Dispose of the Old Battery: If you still have it, please dispose of it properly by taking it to a recycling center or contacting a local battery retailer for the appropriate disposal options.
 
With these simple and easy-to-follow instructions, you can effortlessly replace the battery in your Generac 22kW generator and guarantee an uninterrupted power source.

Maintenance Tips for Prolonging Battery Life

Proper maintenance is essential to ensure your Generac 22kW generator battery lasts long and performs well. Here are some tips:

1. Regular Inspections: It’s important to regularly check the battery for any signs of damage, leakage, or corrosion. If you see any corrosion on the battery terminals, use baking soda and water to clean them. Make sure the terminals are tightened and secured properly.

2. Keep the Battery Charged: If you don’t use your generator often, it’s important to keep the battery charged. Lead-acid batteries can lose charge over time, which can cause a decrease in their capacity. To prevent this, consider using a battery maintainer or trickle charger to keep the battery charged.

3. Avoid Deep Discharges: If you want to prolong the lifespan of your battery, it’s advisable to refrain from deep discharges. It’s recommended to recharge the battery before its charge level goes below 50%. Keeping an eye on the battery’s charge level and recharging it when needed is crucial in enhancing its longevity.

4. Ensure Proper Ventilation: During its operation, generators generate heat, which is essential for the battery’s health. Ensure the generator’s engine compartment has sufficient airflow to avoid excessive heat buildup.

5. Follow Manufacturer’s Guidelines: It is important to always consult the manufacturer’s guidelines and recommendations for maintaining your battery. These instructions are specifically tailored to your battery model and provide helpful tips for its upkeep.

Following these maintenance tips, you can keep your Generac 22kW generator battery in excellent condition. This will ensure that you have dependable power during any outages.

Common Battery Related Issues and Troubleshooting Tips

Generator batteries, like any other electronic device, may experience occasional problems. To help you resolve these issues, we’ve compiled a list of common battery-related problems and troubleshooting tips.

1. Battery not Holding a Charge: If your battery is not holding a charge or discharging quickly, it may indicate a faulty battery or a bigger issue with the generator. To start, examine the battery connections for any loose or corroded terminals. If the connections are secure, it may be necessary to replace the battery.

2. Battery not Starting the GeneratorIf your generator’s battery is fully charged but fails to start, the problem might be caused by a faulty starter motor or ignition system. To fix this issue, refer to the user manual for troubleshooting steps or seek help from a professional for repairs.

3. Battery Leaking or Corroded: If you notice any leakage or corrosion on your battery or terminals, it is crucial to take immediate action. Clean the affected areas with baking soda and water, and ensure the terminals are securely fastened. If the leakage persists, it may be necessary to replace the battery.

4. Battery not Recharging: If you’re having trouble recharging your battery, it might be caused by a malfunction in the charging system or an issue with the voltage regulator of the generator. It’s advisable to seek help from a qualified technician to identify and resolve the problem.

5. Battery Lifespan Significantly Reduced: If you have noticed a significant decrease in your battery’s lifespan, it may be caused by improper maintenance, deep discharges, or extreme operating conditions. Reviewing your maintenance practices and ensuring you adhere to the manufacturer’s guidelines is crucial. If the issue persists, you might consider upgrading to a better-quality battery.

Suppose you encounter any issues with your generator’s battery that you cannot fix yourself. In that case, it is recommended that you seek help from a certified technician who specializes in generator upkeep and restoration.

Different Types of Batteries for Generac 22kW Generator

Various battery options can be used with Generac 22kW generators, each with pros and cons. Let’s take a closer look at the most popular types.

1. Lead-Acid Batteries: Lead-acid batteries are the most common and traditional generator batteries. They are reasonably priced and provide reliable performance in capacity and durability. However, they require regular maintenance, such as checking electrolyte levels and ensuring adequate ventilation. There are two types of lead-acid batteries: flooded lead-acid (FLA) and valve-regulated lead-acid (VRLA).

2. Lithium-Ion Batteries: Recently, lithium-ion batteries have become increasingly popular due to their high energy density, long lifespan, and hassle-free operation. These batteries are lighter and more compact than lead-acid batteries, making them a great choice for portable generators. Despite their higher upfront cost, their longer lifespan can compensate for it in the long run.

3. AGM (Absorbent Glass Mat) Batteries: AGM batteries are a specific type of VRLA battery that incorporates a fiberglass mat to contain the electrolyte. These batteries are completely sealed and require no maintenance, which makes them ideal for people who prefer a no-fuss battery solution. Compared to traditional lead-acid batteries, AGM batteries have a longer lifespan and can withstand vibration and shock.

4. Gel Batteries: Gel and AGM batteries share similarities, but the former uses gel electrolytes instead of fiberglass mats. Gel batteries provide the same benefits as AGM batteries, including hassle-free maintenance and resistance against vibrations. Nevertheless, gel batteries are not as widely available as AGM batteries and may come at a higher cost.

When selecting a battery, it’s important to consider your needs, budget, and preferences. Factors like lifespan, capacity, maintenance requirements, and cost should all be considered before deciding.

Final Thoughts and Recommendations

We understand the importance of keeping your Generac 22kW generator running smoothly during outages. We want to help you choose the best battery to ensure a continuous power supply. Consider factors such as battery capacity, compatibility, durability, and maintenance requirements to make an informed decision. Rest assured that we’re here to assist you every step of the way.

When it comes to your Generac generator, you want to ensure it’s running at its best. Researching reputable battery brands is crucial for optimal performance and compatibility. To ensure a longer lifespan for your generator, following a step-by-step guide on replacing and maintaining the battery is essential. 

If you encounter any battery-related issues, troubleshooting them and seeking professional assistance is recommended. You have various options for purchasing your replacement battery, such as authorized dealers, online retailers, local battery stores, and specialty generator shops. Take the time to find the best place for you and your generator’s needs.

By choosing the appropriate battery for your Generac 22kW generator, you can eliminate most starting problems associated with the generator.

If you have any question according to this post or battery selection and replacement contact us at whatgenerators@gmail.com

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