Best Cordless Angle Grinders of 2023

Cordless angle grinders have become increasingly popular in recent years, thanks to their convenience and portability. These tools are ideal for cutting and grinding tasks in areas where a power outlet is not easily accessible. Cordless angle grinders are also preferred by many professionals because they eliminate the need for bulky cords and allow for greater flexibility and mobility.

When shopping for the best cordless angle grinder, there are several factors to consider. The first is the power source. Cordless angle grinders are powered by rechargeable batteries, which can vary in voltage and amp-hour ratings. Higher voltage batteries provide more power, while higher amp-hour ratings provide longer run times. It’s important to choose a battery that meets your needs and fits within your budget.

Another important factor to consider is the disc size. Cordless angle grinders come in a variety of disc sizes, ranging from 4 inches to 9 inches. The larger the disc size, the more powerful the tool, but also the heavier and more difficult it is to maneuver. It’s important to choose a disc size that is appropriate for the task at hand.

Other factors to consider include the tool’s weight, ergonomics, and durability. A lightweight tool is easier to handle and less fatiguing to use, while ergonomic features such as a comfortable grip can make a big difference in user comfort. Durability is also important, as cordless angle grinders are often used in demanding environments and need to withstand heavy use.

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In this article, we have researched and tested several cordless angle grinders to identify the best options on the market. Whether you’re a DIY enthusiast or a professional contractor, we’ve got you covered with our top picks for the best cordless angle grinders.

Best Cordless Angle Grinders

If you’re looking for a versatile tool that can handle a variety of cutting and grinding tasks, a cordless angle grinder is a great choice. With the freedom to move around without being tethered to an outlet, you can take on projects both indoors and outdoors. In this roundup, we’ve compiled a list of the best cordless angle grinders on the market to help you find the right one for your needs.

DEWALT 20V MAX* Angle Grinder Tool, Tool Only (DCG413B), Black, Yellow 20V Brushless 4-1/2″ Grinder (Tool Only) Grinder

DEWALT 20V MAX* Angle Grinder Tool

If you’re looking for a cordless angle grinder, the DEWALT 20V MAX* Angle Grinder Tool is a great option to consider. With its brushless motor and kickback brake, it’s a reliable and safe tool to have in your collection.

Pros

  • The brushless motor requires no brush changes, making it low-maintenance and efficient.
  • The kickback brake stops the wheel in 2 seconds or less on average, providing added safety.
  • The E-Switch Protection feature ensures that the tool won’t accidentally turn on after a power outage or other unexpected shut down.

Cons

  • The two-stage trigger may take some getting used to if you’re used to a single-stage trigger.
  • The tool only comes with the grinder itself, so you’ll need to purchase a battery and charger separately.
  • Some users have reported that the battery life can be shorter than expected when using the tool for heavy-duty tasks.

This angle grinder is a versatile tool that can be used for a variety of projects, from cutting and grinding metal to sanding and polishing. The brushless motor ensures that it’s efficient and low-maintenance, while the kickback brake and E-Switch Protection features provide added safety.

One thing to note is that the two-stage trigger may take some getting used to if you’re used to a single-stage trigger. However, once you get the hang of it, it’s a great safety feature that helps prevent accidental starts. Additionally, while the tool only comes with the grinder itself, it’s compatible with DEWALT’s 20V MAX* battery system, so if you already have other DEWALT cordless tools, you may already have a battery and charger that will work with this tool.

Overall, if you’re looking for a reliable and safe cordless angle grinder, the DEWALT 20V MAX* Angle Grinder Tool is definitely worth considering.

Makita XAG04Z Cordless Angle Grinder

Makita XAG04Z Cordless Angle Grinder

If you’re looking for a cordless angle grinder that delivers excellent performance and runtime, the Makita XAG04Z Cordless Angle Grinder is a great option.

Pros

  • The Automatic Speed Change technology adjusts speed and torque during operation to deliver optimum performance.
  • The Active Feedback-sensing Technology (AFT) turns the motor off if the rotation of the wheel is suddenly forced to stop.
  • The BL Brushless Motor eliminates carbon brushes, enabling the BL Motor to run cooler and more efficiently for longer life.

Cons

  • The price may be a bit steep for some.
  • The tool only comes with the grinder, so you’ll need to purchase batteries and a charger separately.
  • Some users may find the tool a bit heavy, especially for extended use.

With its efficient BL Brushless motor, the Makita XAG04Z delivers up to 50% longer runtime per charge, making it perfect for those extended grinding sessions. The electronically-controlled BL Brushless Motor efficiently uses energy to match torque and RPM to the changing demands of the application.

The XAG04Z is also designed for user comfort, with a rubberized soft grip handle that provides increased comfort on the job. The tool’s compact size and lightweight design make it easy to maneuver in tight spaces, while the tool-less wheel guard adjustments make it easy to change accessories quickly.

Overall, if you’re in the market for a cordless angle grinder that delivers excellent performance and runtime, the Makita XAG04Z Cordless Angle Grinder is a great option.

RYOBI ONE+ HP 18V Brushless Cordless 4-1/2 in. Angle Grinder

RYOBI ONE+ HP 18V Brushless Cordless 4-1/2 in. Angle Grinder

Should you purchase the RYOBI ONE+ HP 18V Brushless Cordless 4-1/2 in. Angle Grinder? Yes, if you’re looking for a cordless angle grinder that provides exceptional runtime and fast cutting speed.

Pros

  • The brushless motor provides up to 9,200 RPM, making it up to 30% faster cutting than other cordless angle grinders.
  • The tool-free accessory wheel removal allows for quick and easy wheel changes.
  • The paddle switch design allows for easy operation even with heavy work gloves.

Cons

  • The battery and charger are sold separately.
  • Some users have reported that it lacks power with a 6-inch cutting wheel.
  • It’s a bit heavier than other cordless angle grinders.

The RYOBI ONE+ HP 18V Brushless Cordless 4-1/2 in. Angle Grinder is a powerful and efficient tool that can handle your grinding or cutting needs. With its brushless motor, it provides up to 9,200 RPM, making it up to 30% faster cutting than other cordless angle grinders. The tool-free accessory wheel removal allows for quick and easy wheel changes, and the paddle switch design allows for easy operation even with heavy work gloves.

The RYOBI ONE+ HP 18V Brushless Cordless 4-1/2 in. Angle Grinder is part of the RYOBI 18V ONE+ System of over 225 tools that all work on the same battery platform. This means that you can use the same battery for all your tools, making it more convenient and cost-effective. The 3-position side handle and improved comfort grip auxiliary handle provide ultimate comfort, control, and versatility.

However, the battery and charger are sold separately, which can add to the cost. Some users have reported that it lacks power with a 6-inch cutting wheel, but it’s important to note that this is a 4-1/2 inch angle grinder. It’s also a bit heavier than other cordless angle grinders, which can make it a bit more difficult to handle for extended periods of time.

Overall, the RYOBI ONE+ HP 18V Brushless Cordless 4-1/2 in. Angle Grinder is a great choice for those looking for a cordless angle grinder that provides exceptional runtime and fast cutting speed. Its brushless motor, tool-free accessory wheel removal, and paddle switch design make it a convenient and efficient tool to have in your arsenal.

DEWALT 20V MAX* XR Angle Grinder with Kickback Brake, Slide Switch, 4-1/2-Inch, Tool Only (DCG405B)

DEWALT 20V MAX* XR Angle Grinder

If you’re looking for a cordless angle grinder that provides high performance and safety, the DEWALT 20V MAX* XR Angle Grinder with Kickback Brake, Slide Switch, 4-1/2-Inch, Tool Only (DCG405B) is a great option.

Pros

  • The brushless motor of the angle grinder requires no brush changes, which means less maintenance for you.
  • The DEWALT grinder’s brake stops the wheel in 2 seconds or less on average, providing a safe working environment.
  • The Kickback Brake engages when a pinch, stall, or bind-up event is sensed and the electronic brake engages with maximum force to quickly stop the wheel, reduce the movement of the metal grinder and shut the grinder off.

Cons

  • The batteries are not included with the product, which means you’ll have to purchase them separately.
  • The product is slightly heavier than some other cordless angle grinders on the market.
  • The price of the product is higher than some other cordless angle grinders.

The DEWALT 20V MAX* XR Angle Grinder is a powerful tool that is perfect for cutting and grinding metal, concrete, and other materials. The brushless motor provides high performance, and the Kickback Brake adds an extra layer of safety to your work. The brake stops the wheel in 2 seconds or less on average, which is a great feature for those who are concerned about safety.

One of the best things about this angle grinder is that the brushless motor requires no brush changes. This means less maintenance for you, and more time to focus on your work. Additionally, the Kickback Brake engages when a pinch, stall, or bind-up event is sensed and the electronic brake engages with maximum force to quickly stop the wheel, reduce the movement of the metal grinder and shut the grinder off. This feature provides an extra layer of safety and makes the DEWALT 20V MAX* XR Angle Grinder a great choice for those who prioritize safety in their work.

However, there are some downsides to this product. The batteries are not included with the product, which means you’ll have to purchase them separately. Additionally, the product is slightly heavier than some other cordless angle grinders on the market, which may be an issue for those who need to use the tool for extended periods of time. Finally, the price of the product is higher than some other cordless angle grinders, which may be a concern for those who are on a tight budget.

Overall, the DEWALT 20V MAX* XR Angle Grinder is a great tool that provides high performance and safety. If you’re looking for a cordless angle grinder that is reliable and easy to use, this product is definitely worth considering.

Ryobi One+18V 4-1/2″ Angle Grinder

Ryobi One+18V 4-1/2" Angle Grinder

If you’re looking for a cordless angle grinder that is versatile and easy to use, the Ryobi One+18V 4-1/2″ Angle Grinder is a great option.

Pros

  • The on-board wrench storage makes it easy to change accessories quickly and efficiently.
  • The tool-free guard change allows for hassle-free adjustments to the guard position.
  • The 18V battery provides long-lasting power for extended use.

Cons

  • The battery life could be better and may require frequent charging for longer projects.
  • The grinder is not as powerful as some corded options, but still gets the job done.
  • The handle may feel a bit small for those with larger hands.

This cordless angle grinder is perfect for small to medium-sized projects and is great for those who want the convenience of not having a cord. The on-board wrench storage and tool-free guard change make it easy to switch between accessories and adjust the guard position. The 18V battery provides enough power for most projects, but may require frequent charging for longer use.

The Ryobi One+18V 4-1/2″ Angle Grinder is well-built and easy to handle, but may feel a bit small for those with larger hands. The grinder is not as powerful as some corded options, but it still gets the job done and is a great addition to any DIYer’s tool collection. Overall, if you’re looking for a convenient and reliable cordless angle grinder, the Ryobi One+18V 4-1/2″ Angle Grinder is definitely worth considering.

Milwaukee 2880-20 M18 FUEL Brushless Lithium-Ion 4-1/2 in. / 5 in. Cordless Small Angle Grinder with No-Lock Paddle Switch (Tool Only)

Milwaukee 2880-20 M18 FUEL Brushless Lithium-Ion 4-1/2 in. / 5 in. Cordless Small Angle Grinder with No-Lock Paddle Switch (Tool Only)

If you’re looking for a cordless angle grinder that can handle heavy-duty tasks with ease, then the Milwaukee 2880-20 M18 FUEL Brushless Lithium-Ion 4-1/2 in. / 5 in. Cordless Small Angle Grinder with No-Lock Paddle Switch (Tool Only) is definitely worth considering.

Pros

  • The electronic clutch provides excellent kickback protection, making it safer to use.
  • Overload protection maximizes the motor’s lifespan, ensuring that you get more use out of your investment.
  • The anti-vibration side handle increases user comfort and safety, reducing the risk of accidents.

Cons

  • The battery life could be better, but this is a common issue with most cordless angle grinders.
  • It’s a bit on the heavy side, which may not be ideal for extended use.
  • The price point is a bit higher than some other cordless angle grinders on the market.

This cordless angle grinder is designed to be compatible with all M18 batteries, making it a versatile tool that you can use for a wide range of tasks. The 5/8″-11 spindle allows you to use it with common grinding accessories, which is great if you already have a collection of accessories that you want to use.

One of the standout features of the Milwaukee 2880-20 M18 FUEL Brushless Lithium-Ion 4-1/2 in. / 5 in. Cordless Small Angle Grinder with No-Lock Paddle Switch (Tool Only) is the electronic clutch, which provides excellent kickback protection. This makes it a lot safer to use, especially if you’re new to using angle grinders.

Another great feature is the overload protection, which maximizes the motor’s lifespan. This is a big plus, as it means that you’ll get more use out of your investment. The anti-vibration side handle is also a nice touch, as it increases user comfort and safety, reducing the risk of accidents.

While the battery life could be better, this is a common issue with most cordless angle grinders. It’s also a bit on the heavy side, which may not be ideal for extended use. However, if you’re looking for a heavy-duty cordless angle grinder that can handle tough tasks with ease, then the Milwaukee 2880-20 M18 FUEL Brushless Lithium-Ion 4-1/2 in. / 5 in. Cordless Small Angle Grinder with No-Lock Paddle Switch (Tool Only) is definitely worth the investment.

AVID POWER Cordless Angle Grinder

AVID POWER Cordless Angle Grinder

If you’re looking for a reliable cordless angle grinder, the AVID POWER Cordless Angle Grinder is worth considering.

Pros

  • Equipped with a 4-pole motor, this metal grinder is stronger and more efficient than regular brushed 2-pole motor angle grinder tools in grinding metal, and cutting tile and concrete.
  • The 4.0Ah large capacity battery extends working time both indoors or outdoors.
  • The rubberized 3-position anti-slip auxiliary handle offers greater control and versatility in various applications, making operation more convenient.

Cons

  • The wiring may fry after only a few months of use.
  • The tool may overheat and shut off after a few minutes of use.
  • It does not use the same batteries as DOBETTER.

This angle grinder is easy to use and has a quick-change design for abrasive wheels and wheel guard. The integrated spindle lock on the disc grinder is for quicker and easier abrasive wheels replacement. The tool-free guard design allows quick and easy guard adjustments/positioning. The protective cover of the portable grinder will prevent you from being injured by flying away sparks and metal chips during operation.

The AVID POWER Cordless Angle Grinder comes with 5 wheels, including a Grinding Wheel, 2 Cut-off Wheels, and 2 Sanding Wheels. The fast charger can fully charge the battery within 1-2 hours. The ergonomic and comfortable 3-position auxiliary handle makes it easy to control and maneuver the tool.

Overall, the AVID POWER Cordless Angle Grinder is a great tool for grinding and cutting metal, tile, and concrete. However, it may have some durability issues, so it’s important to use it with care.

Kobalt 5-in 24-Volt Max-Volt Cordless Angle Grinder

Kobalt Cordless Angle Grinder

If you’re looking for a powerful and versatile cordless angle grinder, then the Kobalt 5-in 24-Volt Max-Volt Cordless Angle Grinder is a great option.

Pros

  • With a 24-volt max brushless motor that delivers 8,500 RPM, this angle grinder is powerful enough to tackle even the toughest grinding and cutting applications.
  • The tool-free guard allows you to quickly adjust from cutting to grinding, making it easy to switch between tasks.
  • The 3-position auxiliary handle features anti-vibration technology that provides more comfortable use and reduces fatigue during extended periods.

Cons

  • The Kobalt 5-in 24-Volt Max-Volt Cordless Angle Grinder is a bit heavier than some other cordless angle grinders on the market, which may make it less comfortable to use for long periods of time.
  • Some users have reported that the battery life is not as long as they would like, so you may need to purchase additional batteries if you plan to use the angle grinder frequently.
  • The Kobalt 5-in 24-Volt Max-Volt Cordless Angle Grinder is a bit more expensive than some other cordless angle grinders on the market, which may make it less accessible for some users.

Overall, the Kobalt 5-in 24-Volt Max-Volt Cordless Angle Grinder is a powerful and versatile tool that is ideal for cutting, sanding, polishing, sharpening, or grinding a variety of materials. If you’re looking for a high-quality cordless angle grinder that can handle even the toughest tasks, then this is definitely a product worth considering.

PORTER-CABLE Angle Grinder Tool

PORTER-CABLE Angle Grinder Tool

If you’re looking for a reliable and powerful angle grinder, the PORTER-CABLE Angle Grinder Tool is definitely worth considering.

Pros

  • The 7.5-amp motor of the angle grinder powers through jobsite tasks with ease.
  • The cast metal gear housing increases jobsite durability and tool longevity of the metal grinder.
  • The 3-position adjustable side handle of the hand grinder allows greater control in multiple positions.

Cons

  • The spindle lock feature could be improved to allow for even quicker and easier bit changes.
  • The trigger is just on/off, which could be a drawback for some users who prefer more control.
  • The hand grinder is corded, which may limit its portability for some users.

This angle grinder is perfect for a variety of tasks, including cutting rebar and concrete, removing rust and paint, grinding welding beads, and sharpening blades. The cast metal gearbox and motor are capable of up to 10,000 RPM, providing high power to complete your work quickly and efficiently.

The three-position side handle enhances the tool’s safety and versatility, allowing for different cutting positions. The extended on/off trigger switch can be easily accessed by gloved hands, and the spindle lock provides for quick and easy wheel and accessory changes.

Overall, the PORTER-CABLE Angle Grinder Tool is a great choice for those in need of a reliable and powerful angle grinder. While it may not be the most portable option due to its corded design, it makes up for it with its durability and performance.

Buying Guide

When looking for the best cordless angle grinder, there are a few key features to consider. Here are some factors to keep in mind:

Power

The power of the angle grinder is crucial to its performance. Look for a grinder with a high voltage battery, as this will provide more power and longer run time. The power of the grinder is usually measured in amps, so look for a model with a high amp rating for the best performance.

Size

The size of the angle grinder is another important factor to consider. A smaller grinder is more maneuverable and easier to use in tight spaces, but may not have as much power as a larger model. Consider the types of tasks you will be using the grinder for and choose a size that best fits your needs.

Safety Features

Safety should always be a top priority when using power tools. Look for angle grinders with safety features such as a lock-off switch, which prevents accidental start-ups, and a safety guard to protect against flying debris.

Accessories

Some angle grinders come with accessories such as cutting wheels, grinding discs, and sanding pads. Consider what types of accessories you will need for your specific tasks and choose a model that comes with the appropriate accessories.

Price

Cordless angle grinders can range in price from budget-friendly to high-end models. Consider your budget and choose a model that fits your needs without breaking the bank.

By considering these factors, you can choose the best cordless angle grinder for your needs.

Frequently Asked Questions

What features should I look for when choosing a high-quality cordless angle grinder?

When choosing a cordless angle grinder, you should look for features such as power, speed, and durability. A high-quality cordless angle grinder should have a powerful motor that can handle tough jobs, a variable speed control for precision work, and durable construction that can withstand heavy use.

How do I compare the performance of different brand cordless angle grinders?

When comparing cordless angle grinders from different brands, you should consider factors such as power, speed, battery life, and overall build quality. Look for models with high-powered motors, variable speed controls, long-lasting batteries, and sturdy construction.

Which cordless angle grinder model offers the best value for its price?

The best value cordless angle grinder will depend on your specific needs and budget. Look for models that offer a good balance of power, speed, and durability at a reasonable price. You may also want to consider models that come with extra accessories or attachments.

What are the safety considerations when operating a cordless angle grinder?

When operating a cordless angle grinder, it is important to wear appropriate safety gear, such as eye and ear protection, gloves, and a dust mask. You should also make sure to follow the manufacturer’s instructions for use and maintenance, and always use the proper disc for the job.

How does the battery life of cordless angle grinders affect their overall performance?

The battery life of cordless angle grinders can affect their overall performance, as a longer battery life allows for longer use between charges. Look for models with high-capacity batteries that can provide extended run times, and consider investing in spare batteries if you plan to use your grinder frequently.

What size and type of disc should I use for general home projects with a cordless angle grinder?

For general home projects, a 4.5-inch or 5-inch diameter disc is typically suitable for most cutting and grinding tasks. You should choose a disc that is appropriate for the material you are working with, such as metal, concrete, or masonry. Always follow the manufacturer’s recommendations for disc size and type.

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