How Many Batteries Do I Need For My Ryobi Lawn Mower?

Looking for a powerful and efficient riding lawn mower that can make quick work of even the largest lawns? Look no further than the Ryobi Mower RIDER Lawn Mower! This innovative mower is designed to deliver exceptional performance and ease of use, thanks to its powerful engine and comfortable riding position.

And with the added convenience of two SP12-18HR batteries (12 V 18 AH) powering the machine, you can be sure that you’ll get plenty of use out of this impressive piece of equipment. Whether you’re a professional landscaper or simply looking for an easier way to keep your own lawn in top condition, the Ryobi Mower RIDER Lawn Mower is sure to exceed your expectations.

To complement your mowing efforts, consider using garden clogs for ultimate comfort while working in your garden. Gain valuable insights into lawn care and gardening tools, and elevate your outdoor space to its full potential.

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Fertilizing your lawn is essential for keeping it healthy and green.

How Many Batteries Do I Need For My Ryobi Lawn Mower?

There are several factors which determine how many batteries you need for your Ryobi Lawn Mower, including:

The size of your lawn mower. A larger lawn mower will require more batteries than a smaller one, so it’s important to make sure the mower you choose is compatible with your chosen battery type (see below).

How often you use the mower. If you plan to use it daily, then having extra batteries on hand will come in handy if one runs out halfway through mowing.

 Alternatively, if you only need to use it once every few months or so and want an easy way to store them until then, then buying fewer batteries may be more economical for you.

“When it comes to purchasing a cordless electric lawn mower, there are several key factors to consider, such as battery life and cutting width. To help you make the best choice for your lawn care needs, check out our guide on what to look for in a cordless electric lawn mower today.”

What Kind Of Batteries Does The Ryobi Lawn Mower Use?

Batteries are like fuel for your lawn mower. They come in all different sizes and types, but they’re made of similar materials and they’re rated by voltage, capacity and amp hours.

When you’re shopping for new batteries, you’ll want to choose one that matches the voltage rating on your Ryobi Lawn Mower’s battery compartment. 

This is critical because if you don’t have the right type of battery, it won’t fit into place correctly with other parts and could damage them!

Does My Ryobi Lawn Mower Run On Rechargeable Batteries?

How to know if your mower runs on rechargeable batteries:

Yes, it does! Your Ryobi mower runs on rechargeable batteries that can be purchased separately from a local hardware store. 

While the batteries aren’t included with the mower, they are relatively inexpensive and will save you money over time because they last longer than disposable ones.

“Are you considering purchasing a battery-powered lawn mower, but wondering if they’re any good? The truth is, battery-powered mowers have come a long way in recent years and are now a viable alternative to gas-powered models. To learn more about the benefits of battery lawn mowers, check out our article on are battery lawn mowers any good?

How Many Different Kinds Of Batteries Are There?

The most popular types of batteries used in Ryobi lawn mowers and other power tools are lead-acid, lithium-ion and lithium polymer (sometimes referred to as LiPo). Lead acid batteries are not rechargeable. 

They provide a lot of power for starting a gasoline engine but don’t last very long. Lithium ion batteries are also not rechargeable but have a longer lifespan than lead acid batteries. 

Lithium polymer batteries can be recharged hundreds of times before they need to be replaced, which makes them perfect for electric vehicles such as motorcycles and scooters because they don’t require much maintenance like gas-powered vehicles do (you can read more about some benefits here).

Can You Use Rechargeable Or Non-Rechargeable Batteries?

You can use both rechargeable and non-rechargeable batteries in your Ryobi mower. However, it’s important to understand that there are some differences between the two types.

Non-rechargeable batteries are cheaper and don’t require any special equipment to use; however, they also tend to be weaker than their rechargeable counterparts. 

The fact that they’re not rechargeable means that when you run out of energy, you’ll have to buy new ones instead of recharging them like with a rechargeable battery. 

In addition, these types of batteries don’t hold as much power as their charged counterparts do (although this varies depending on the type). 

If you don’t plan on using your lawn mower for an extended period such as during winter months you should still charge its battery at least once per year so that it doesn’t go dead while sitting unused in storage over time!

“If you’re looking to replace the blades on your lawn mower, it’s important to know what size nut you’ll need to remove them. To make sure you have the right tools for the job, check out our article on what size nut is on the lawn mower blades and get ready to tackle that next DIY project.”

What Is The Difference Between Lead-Acid And Lithium-Ion Batteries?

Lead-acid batteries are the most common type of battery used in Ryobi lawn mowers. They are inexpensive and have a longer lifespan than lithium-ion batteries, but they also take a lot longer to charge than lithium ion batteries. 

For example, if you’re running your Ryobi Lawn Mower for about 30 minutes per day, it will usually be pretty easy for you to get by with an 8 amp hour lead-acid battery (which comes standard on most Ryobi lawn mowers). 

If you want something more powerful though, it might be worth investing in a lithium ion battery instead.

Lithium ion batteries are more expensive than lead acid ones because they last so much longer about ten times as long as their cheaper counterparts! 

This means that if you’ve been using non-rechargeable “throwaway” alkaline batteries in your mower up until now and want to start saving money on replacement costs (or just go green), then switching over may be right up your alley. 

Lithium ion rechargeable batteries can provide up 300 charge cycles before needing replacement that’s almost three years’ worth of usage!

How Long Do Batteries Last On A Ryobi Lawn Mower?

How long a battery lasts depends on what kind of battery it is, how often you use your Ryobi lawn mower, and whether or not you have stored the batteries improperly.

Batteries that are stored at room temperature will last longer than those stored in high temperatures. Batteries can also lose some charge if they are not completely drained before recharging them.

“Properly setting up your push lawn mower is key to ensuring it runs smoothly and efficiently. Whether you’re a seasoned pro or a first-time mower owner, our helpful tips on how to set up a push lawn mower can help you get the job done right.”

Does An Electric Or Gas-Powered Ryobi Lawn Mower Have More Power?

Ryobi’s gas-powered lawn mowers have more power than their electric counterparts. Gas-powered Ryobi lawn mowers are also heavier, making them harder to maneuver around your yard, but they do have the benefit of being easier to start up. 

You’ll have to refill the gas on a gas-powered Ryobi every time you want to use it, but this is not as much of a hassle as it may sound: most people fill up their tanks only once or twice per month during the peak gardening season.

Electric Ryobi lawn mowers are quieter and lighter than their gas counterparts. However, unlike a traditional push mower that can be started with nothing more than a flip of its handlebar lever (and possibly some pulling)

An electric model requires either connection to an electrical outlet or charging in order for it to operate properly something that might not always be convenient for all homeowners who don’t want their charging cords cluttered across their landings or hanging from trees outside their homes

How Can I Know If My Battery Is Fully Charged?

Check the voltage of your battery. If it’s not fully charged, let it charge for a little while longer. Once it has reached its full capacity and you’re ready to use your Ryobi lawn mower again, make sure that you unplug the charger from its power source (such as an outlet) before connecting it to your Ryobi lawnmower’s handlebar clip-on charger.

“Fertilizing your lawn is an essential part of keeping it healthy and green, but it can be intimidating if you’re new to lawn care. Our easy-to-follow guide on how to fertilize your lawn yourself can help you get started and keep your lawn looking its best all season long.”

What Are Some Ways To Extend The Life Of My Battery In My Ryobi Lawn Mower?

To extend the life of your Ryobi lawn mower’s battery, you should keep it charged. Use a trickle charger when possible or plug your lawnmower into an outlet overnight to keep the battery fully charged. 

Also, be sure to keep it cool and dry, as heat and moisture can cause damage over time. If you have any metal objects near where you store the battery (such as screws), this can also affect its lifespan; try not to let them come in contact with each other if possible!

How Do I Know If My Battery Has Died, And What Do I Do About It?

If your battery is dead, or close to dead, you’ll need a new one. If it’s simply dying and has a little charge left in it, then you can get a new battery from Ryobi’s website or an authorized dealer. 

If you’re looking for more info on how much lawnmower batteries cost and where to buy them, check out our article on Ryobi Lawn Mower Batteries Prices & Where To Buy Them!


In short, you need to know how many batteries your Ryobi lawn mower uses, the kind of battery it uses, and whether or not your particular model is compatible with rechargeable batteries. 

You should also consider whether or not an electric or gas-powered Ryobi mower is better for your needs before deciding which one to purchase. The life of a battery depends largely on how often it’s used and how well its cared for!

Further Reading

  • Ryobi Mower RIDER Replacement Batteries: Need replacement batteries for your Ryobi Mower RIDER? Check out these high-quality, reliable batteries from Battery Sharks.
  • Ryobi 18V ONE+ Lawn Mower Review: Looking for a smaller lawn mower for your yard? Check out this review of the Ryobi 18V ONE+ Lawn Mower from The Gadgeteer.
  • Ryobi 40V 20-Inch Brushless Mower V2: If you’re looking for a more powerful lawn mower, the Ryobi 40V 20-Inch Brushless Mower V2 might be just what you need. Check out its features and specs on the official Ryobi website.


What type of batteries does the Ryobi Mower RIDER require? The Ryobi Mower RIDER requires two SP12-18HR batteries.

How long do the batteries last on the Ryobi 18V ONE+ Lawn Mower? According to the manufacturer, the batteries on the Ryobi 18V ONE+ Lawn Mower can last up to 30 minutes on a single charge.

What is the cutting width of the Ryobi 40V 20-Inch Brushless Mower V2? The cutting width of the Ryobi 40V 20-Inch Brushless Mower V2 is 20 inches.

Can the batteries on the Ryobi 40V 20-Inch Brushless Mower V2 be swapped with other Ryobi 40V tools? Yes, the batteries on the Ryobi 40V 20-Inch Brushless Mower V2 are compatible with other Ryobi 40V tools.

Do the replacement batteries from Battery Sharks come with a warranty? Yes, the replacement batteries from Battery Sharks come with a one-year warranty.