Are Battery-Powered Circular Saws Any Good? Experts Weigh In

Circular saws are a staple tool for any DIY enthusiast or professional carpenter. But with the rise of battery-powered tools, many people wonder if cordless circular saws can match the power and performance of their corded counterparts.

The answer is a resounding yes! Thanks to advancements in battery technology, cordless circular saws have closed the power gap with corded saws, and in some cases, even surpassed them.

In this article, we’ll explore the benefits and drawbacks of battery-powered circular saws and help you decide if they’re right for your next project.

So let’s dive in and see if battery-powered circular saws are any good!

Are Battery Powered Circular Saws Any Good

Battery-powered circular saws are definitely good, and they have come a long way in recent years. With the development of brushless motors and high-output batteries, cordless circular saws can now deliver power and performance that rivals their corded counterparts.

One of the biggest advantages of battery-powered circular saws is their portability. You can take them anywhere without worrying about finding a power outlet or dealing with cords. This makes them ideal for working on job sites or in areas without easy access to electricity.

Another advantage is that battery-powered circular saws are often lighter and more compact than corded saws. This makes them easier to handle and maneuver, especially when working in tight spaces or overhead.

However, there are some drawbacks to battery-powered circular saws. The biggest one is that they have limited run time. Depending on the battery size and the type of work you’re doing, you may need to recharge the battery frequently. This can be frustrating if you’re in the middle of a project and have to stop to wait for the battery to charge.

Another potential issue is that battery-powered circular saws may not have as much cutting power as corded saws. While they have closed the power gap significantly, some heavy-duty cutting tasks may still require a corded saw.

Advantages Of Battery-Powered Circular Saws

Battery-powered circular saws offer several advantages over corded saws. The most obvious advantage is their portability. With a battery-powered saw, you can work anywhere without worrying about finding a power outlet or dealing with cords. This makes them ideal for job sites or outdoor projects where electricity may not be readily available.

Another advantage of battery-powered circular saws is their lightweight and compact design. They are often smaller and lighter than corded saws, making them easier to handle and maneuver in tight spaces or overhead. This can also reduce user fatigue during long periods of use.

Battery-powered circular saws also offer the convenience of continuous use. With spare batteries on hand, you can work continuously without having to stop to recharge the battery. This can save time and increase productivity on the job.

In addition, battery-powered circular saws are often safer than corded saws. Without cords to trip over or get tangled in, there is less risk of accidents or injuries on the job site.

Drawbacks Of Battery-Powered Circular Saws

Despite their advantages, battery-powered circular saws do have some drawbacks that you should consider before making a purchase.

Firstly, battery-powered circular saws have limited run time. Depending on the size of the battery and the power of the saw, you may need to recharge the battery frequently. This can be frustrating and time-consuming, especially if you’re in the middle of a project and have to stop to wait for the battery to charge.

Secondly, battery-powered circular saws may not have as much cutting power as corded saws. While they have improved significantly in recent years, heavy-duty cutting tasks may still require a corded saw. This means that if you plan on working with thick or hard materials, a corded saw may be a better choice.

Thirdly, battery-powered circular saws are often more expensive than corded models, particularly if they don’t come with a battery or charger. In addition, you may need to purchase backup batteries if you plan on using the saw extensively.

Finally, the batteries themselves will eventually wear out and need to be replaced. This can be an expensive proposition, particularly if you have to replace multiple batteries over time.

Battery Technology And Power Output

When it comes to battery technology and power output, lithium-ion batteries are currently the most common type of battery used in cordless circular saws. They offer a high voltage and charge storage per unit mass and volume, which allows them to deliver a lot of power in a small package. Lithium-ion batteries also have a relatively long lifespan and can be recharged quickly.

However, there are other battery technologies that are being developed that could potentially offer even more power output. One example is flow batteries, which have lower energy densities but longer lifespans and are well-suited for supplying continuous power. While flow batteries are currently less popular than lithium-ion batteries, they have been used in multiple energy storage projects that require longer energy storage durations.

Another emerging battery technology is solid-state batteries, which use a solid electrolyte instead of a liquid one. Solid-state batteries have the potential to offer higher energy densities and faster charging times than current lithium-ion batteries. However, they are still in the early stages of development and are not yet widely available.

Comparing Corded Vs. Cordless Circular Saws

When it comes to choosing between corded and cordless circular saws, there are several factors to consider. One of the main differences between the two is weight. Corded circular saws are generally lighter in weight than cordless versions, as they do not have a battery. This can be an advantage if you need to use the saw for extended periods of time, as it can reduce fatigue on your arms.

On the other hand, cordless circular saws offer greater portability and convenience. With a fully charged battery, you can use the saw anywhere without worrying about finding a power outlet or dealing with cords. This makes cordless circular saws ideal for working on job sites or in areas without easy access to electricity.

Another factor to consider is cost. Corded circular saws are generally less expensive than cordless models, as they do not require expensive batteries or chargers. Corded saws also tend to last longer, making them a better long-term investment. However, if you need the portability and convenience of a cordless saw, the extra cost may be worth it.

When it comes to cutting power, corded circular saws still have an advantage over cordless models. While battery technology has improved significantly in recent years, corded saws are still better suited for heavy-duty cutting tasks. If you only need a circular saw for light to medium-duty cutting, a cordless model may be sufficient.

Choosing The Right Battery-Powered Circular Saw For Your Needs

When choosing a battery-powered circular saw, there are a few key factors to consider. These include blade size, cutting power, and bevel angle.

Blade size is an important consideration because it determines the maximum cutting depth of the saw. Most cordless circular saws use a 6 1/2-inch blade with a maximum cutting depth of 2 1/8-inches. However, some high-end models feature larger 7 1/4-inch blades that cut to a depth of 2 7/16-inches. Some smaller ones offer 4 1/2-inch and 5 1/2-inch blades. Consider the types of projects you’ll be working on and choose a blade size that will meet your needs.

Cutting power, or RPM, is another important factor to consider. Cordless circular saws are getting more powerful than corded versions due to the development in battery technology. The cutting power rating of a circular saw is measured in rotations per minute (rpm), in which higher RPMs offer better cutting power. Most cordless circular saws offer 5000 rpm or more.

Bevel angle is also important, especially if you need to make angled cuts. Most saws let you cut bevels at angles of up to 45°, but some offer up to 50° or more angles. If bevel angle and its adjustment are essential for your project or work, then make sure to pick the one that can cut at the required angle.

Finally, consider the brand and warranty when choosing a battery-powered circular saw. Look for a reputable brand with a good track record for quality and reliability. Also, check the warranty offered by the manufacturer. Flex offers a lifetime warranty on their cordless incline circular saw if you register your purchase by 12/31/2023.

Tips For Using And Maintaining Your Battery-Powered Circular Saw

If you own a battery-powered circular saw, it’s important to know how to use and maintain it properly to ensure it lasts as long as possible. Here are some tips:

1. Charge your batteries fully before use: Make sure your batteries are fully charged before using your saw. This will ensure maximum performance and prevent damage to the battery.

2. Use the right blade: Make sure you’re using the right blade for the job. Using the wrong blade can damage the saw and lead to poor performance.

3. Keep your blades sharp: A dull blade can put extra strain on the motor and reduce cutting performance. Replace blades when they become dull or damaged.

4. Check the blade guard: The blade guard is an important safety feature that should always be in place when using your saw. Make sure it’s working properly and not obstructed by sawdust or debris.

5. Keep your saw clean: Regularly clean your saw to remove sawdust and debris that can clog the motor and reduce performance. Use compressed air, a wire brush, or a toothbrush to clean hard-to-reach areas.

6. Store your saw properly: When not in use, store your saw in a dry, cool place to prevent damage from moisture or extreme temperatures.

7. Use lubricant: To reduce friction on your blade and extend the life of your motor, use a dry lubricant like WD-40 Specialist® Dry Lube. This will also prevent sawdust and debris from sticking to the blade.

By following these tips, you can ensure that your battery-powered circular saw performs at its best and lasts for years to come.