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How Many Cold Cranking Amps Do I Need for a Riding Lawn Mower? 

 September 19, 2021

By  Phil Borges

If you’re in the market for a lawn mower but a little fuzzy on certain specs like CCA, here is a piece with all the information you need before the next battery purchase. Keep reading.

Most lawn mowers run on 12-volt batteries. Some of them are specifically made for mowers and they have 36-40 volts. If you’re buying a low end model for a small mower, you can make do with about 150 cold cranking amps. But if you pay more, you will not only get more CCA but also a durable mower with more start-up power.

Regardless of your preferences, the best and recommended way to go about this is to check the manufacturer’s specs because each mower is different.

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How Many Cold Cranking Amps for Riding Lawn Mower

Batteries are rated based on their CCA or cold cranking amps. This is the measure of how much current a battery can produce and deliver within 30 seconds when the temperature is zero degrees Fahrenheit without going below the required 7.2-volt output. If the CCA is on the higher side, it means the battery can produce more power at low temperatures.

The Importance of CCA

Now, if you don’t live in places where the mercury drops to that point, you might wonder why you need to know about it. You do because it tells you how good the battery can be on a cold winter day.

CCA is also an important factor to take into account if you are planning to run a large engine because of the role it plays in telling you about battery output. These details come in very handy when you are looking for a replacement battery.

If you get a battery with CCA that is too low, your engine might not even start. And even if it happens to start, the battery will experience way more wear and tear and burn out sooner than it is meant to.

Then again, if you get a battery with CCA that is too high, you will end up paying more with no extra benefits whatsoever. So, finding that balance will actually keep your mower running the way it is meant to.

Now, even when the voltage is the same across batteries, the CCA varies. That’s why you could be looking at batteries of the same voltage with CCA ranging from 100-160—which is the lower end—to 350 CCA, which is on the other end of the spectrum for a mower of the same size. However, if you have a lawn tractor, you might find that 315 CCA is the ideal rating. So, once again, take a look at the specifications mentioned by the manufacturer.

How to Decide the Right Amount of CCA?

This is one of the most popular numbers in the industry because of its ability to measure the amount of power a battery can deliver while maintaining the minimum voltage of 7.2 volts (for a 12 v battery).

Now, this is not the greatest determining factor if you are living in warmer temperatures. But as mentioned before, it still tells you your battery’s ability to start your engine in colder temperatures, which is why it is such a popular measure in Europe and North America. But it might work for the others too, should you take a road trip someday.

Now, even though you should look at the manufacturer’s instructions to figure out the required CCA for your riding lawn mower, here’s what you need to know. As a rule, make sure that the CCA is either equal to or more than the engine displacement measure in cubic inches.

So, if you have a vehicle that is 135 cubic inches, a battery with a 130 CCA rating will be more than enough. Manufacturers have been trying to deliver batteries with higher CCA ratings which is why those with 550 CCA were considered to be powerful batteries at one point in time.

But now you will find batteries which have a CCA rating as high as 1,000. This is because of the “the bigger the CCA, the better your battery” concept. But that is not the case because different vehicles have different requirements.

130 CCA Mighty Max Lawn Mower Battery

ML18-12 SLA is the perfect Mighty Max Battery Solution! Whether you're looking for a power source for your reliable John Deere mower or tools truck, with our 12volt 18ah 130 CCA battery you've got plenty of power.

We earn a commission if you make a purchase, at no additional cost to you.

Frequently Asked Questions

Does CCA Matter on a Lawn Mower Battery?

It matters on every battery irrespective of the weather conditions where the mower is being used. As mentioned in this piece, CCA is used to determine how well your lawn mower will work when the temperatures drop on a winter day.

But even if you don’t experience such extreme winters, the CCA rating of your battery will tell you how well the battery can function when the temperature is low.

How Many Amps Is a 12v Lawn Mower Battery?

When you say amps, there are two things to note. Some new-age lawn mowers are cordless and you might notice that they display amps. That is not the same as cold cranking amps because these cordless mowers are electric and the number you are looking at is the current delivered by the battery to get the engine going.

If you are asking for the purposes of charging your lawn mower battery, it has 12 amps and you need a charger that produces 10 amps or less. If you go above that number, your battery will endure damage that might even be irreversible and potentially hazardous.

About the author

Hi, I'm Phil Borges.. thanks for reading.. My wife says I can't shut up about batteries so to save my marriage I've started this blog .. where I'd be ranting about batteries! Please leave a comment if you have any questions, I'm happy to help!

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