Generac Generators are one of the best in the generator market. You might use them while there is a power out, or to power your camping lodge or even your RV.
It is always good to check your generator’s battery as it helps to start it automatically. Otherwise, you have to pull the cord to start it. Which is really inconvenient and some people even cannot do it.
In winter, your generator comes in really handy and if it breaks down at that time, it’s a bummer.
Investing in a good battery is always a good idea. That is why we have gathered the best 4 batteries for your Generac Generator in the market now.
Table could not be displayed.Top 4 Best Battery for Generac Generator 2021 Christmas Time
1. Interstate Batteries Generac Generator Replacement Battery 0G9449
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This is one of the greatest batteries for your Generac Generator Replacement battery. Interstate 12 V battery comes in Sealed Lead Acid (SLA) technology which makes it easy to mount in whatever position you want. The AGM technology build makes it maintenance free and ensures higher performance than any other in the market.
Like all Interstate batteries, it can endure any harsh condition and is resistant to vibrations. So it works efficiently on a generator.
It is tested thoroughly to ensure the best safety. You can charge it out of the generator if you want to.
It comes with a superior plate to the terminal connection so it can be used in critical areas or connections without any hassle.
One thing to keep in mind is that you should keep an eye out while charging it separately. Otherwise, the charger might burn the battery cells and it will be a huge downfall. Because the chargers that come with the generator or the chargers that charge this battery don’t have auto turn off. Also, the battery is not designed to get a trickle charge. So pay attention to it while it is charging separately. Don’t leave it on for long after it is finished charging. Take it off as soon as possible.
Pros
- Fits different models of generators.
- Works great.
- Long life.
Cons
- No replacement or refund option from the manufacturer.
2. Mighty Max Battery 12V 18AH SLA Battery for Generac 7500 EXL
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Mighty Max Battery says it in its name, it is really Mighty in performance. Built with a heavy-duty calcium-alloy grid with SLA/AGM technology, it brings in a lot of power. With 12V and 18AH power, it gives you a superior start for your generator every time.
As it is an SLA/AGM spill-proof battery, it has a high discharge rate. Gives you enough power to start your generator even in freezing cold temperatures.
Its spill-proof design makes it mountable in any position. So you don’t have to worry about snugging in your generator. Leave it on the side, it will work fine.
Mighty Max Battery comes with shock and vibration resistance. Performs great under high temperatures as well as low.
Sadly there are no mounting or harnessing accessories included in the box. So you have to use your old ones that came with your generator by default.
You can charge it separately if you want or need it. But remember to take it off after 8 hours. Otherwise, it might overcharge which will ruin the battery as it has no charge off option.
It comes with a 1-year warranty and a 30-day refund option.
Pros
- Great Amperage.
- Good backup and startup power.
- Long-lasting quality.
- Sealed technology gives the option to mount in any position.
Cons
- No charge regulator, so have to be careful or set a timer.
- No mounting or bolting accessories.
3. Generac 5819 Model 26R Wet Cell Battery
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A battery that is made by the manufacturers of the generator themselves. You know it is going to be good. It is a replacement option for your Generac generator.
It comes with an impressive 525 cold-cranking amp which is really necessary for winter times.
This is a wet cell battery, meaning it is a flooded cell battery rather than an AGM or SLA. so you won’t be able to mount it in any position you want.
The best thing about this battery is it can be fitted into a large number of generators. And once replaced, it requires very little maintenance. Though it claims to be maintenance-free, it requires maintenance.
It has a longer life than a dry cell battery. Like any old-school battery, it will give you a longer performance time than usual.
Although it will keep your generator running for years on, it won’t be able to give you as much output as dry cell batteries. It has it limited power output. And it only works on standby generators.
One day it will die, and it will die hard on you. With no prior notice, it is just dead.
Pros
- Great lasting life.
- Fits a wide variety of generators.
- Wet cell.
- Good CCA (Cold Crank Amp).
Cons
- Can’t be used on a commercial basis.
- Only for standby generators.
4. Neptune Replacement Battery for Generac Generator 0G9449
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Neptune Replacement Batteries are known for their high-quality design. It lasts 3-5 times more than other batteries. And the best thing about them is, that they are fire-resistant.
This 12V 9A battery is an SLA battery with valve regulations. So it can be mounted from any position.
They perform great under any temperature and condition. They come in a high discharge rate that helps your generator startup twice as fast.
One thing that is a bit misleading is that it does not come in a nut and bolt terminal. They come in sliding on terminals. So make sure you know it before you order. Even the picture shows it that it is not what it claims to be.
Pros
- Great battery build.
- Fire-resistant.
- Can be mounted in any position because of SLA technology.
Cons
- No nut and bolt terminal. So installation is a bit of an issue.
Frequently Asked Questions
1. Can I charge my battery with the charger that came with the generator?
Yes, you can. But do not leave it on the charger. Remove or disconnect it after it is full, otherwise, it will fry it.
2. Does all Generac replacement batteries come with a nut and bolt installation option?
A. Typically they all come with nut and bolt options. But in some cases, they are slide-in terminals that are not mentioned. So make sure you know it beforehand.
3. How often is the Generac generator battery needs to be changed?
A. It is recommended to change your battery every 3 years by Generac. But it totally depends on your use. Your battery may last longer if proper care is taken. And with heavy use, it may last 3 years or so.
4. Can a Generac generator charge its battery by itself?
A. No it cannot. You have to charge the battery with a charger or plug it into an outlet separately.
Conclusion
Generac Generator batteries differ in size, amperage, and wattage. The chemistry in which the batteries are built-in also plays a vital role in how long they will last and what kind of performance they will give. The ones mentioned here are tested and reviewed thoroughly to bring you the very best. So you know the pros and cons of all of them. According to your preference, you can now choose anyone from them.