Best Cordless Angle Grinder in 2022 [4-1/2″ to 6″ Cordless Grinder]

Cordless tools have many benefits. They offer greater flexibility and portability. This fact is very true for Angle grinders as they become one of the most powerful tools in our toolboxes for doing a variety of metal fabrication works, cutting, grinding, and so on. In terms of portability, the cordless angle grinder is preferable to the corded angle grinder.

 

A cordless angle grinder can produce more power for higher RPMs with the advancement in brushless motors and high-capacity batteries. But you need to choose the best cordless angle grinder for a higher capability to do the work done.

 

Among various types and brands of cordless angle grinders, we have sorted out the 10 cordless angle grinders which are best. This buying guide will take you through different tips and tricks on how to choose the best cordless angle grinder and how to use them professionally and safely. So, let’s get started.

 

 

Objectives to Pick These Top 10 Cordless Angle Grinders

Several brands and manufacturers make and develop powerful cordless angle grinders of different types and sizes. However, as we have sorted out only 10 cordless angle grinders, there must be some reasons behind it. There are some things especial in these products. So, let’s know about these best cordless angle grinders.

 

 

 

Best Cordless Angle Grinder Reviews Of 2022

 

1. DEWALT DCG413B 20V MAX Brushless Cut Off Tool/Grinder

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If you are searching for a powerful and versatile cordless angle grinder for the toughest grinding and cutting, DEWALT DCG413B 20V MAX Brushless Cut Off Tool/Grinder can be your right choice. It is powered by Lithium-Ion batteries. This small cordless angle grinder features a high level of protection for both users and the machines.

 

Its powerful Kickback Brake stops the wheel within 2 seconds or less on average if there is a pinch, stall, or bind-up and shuts the grinder off to avoid potential injuries from kickback. This brushless tool doesn’t require any time to change the brushes offering a longer motor life.

 

If the ON/OFF trigger switch has a no-volt release function for any event of a power outage or other unexpected shutdowns, E-Switch Protection Feature starts working. In that case, the trigger switch will need to be cycled to restart the tool. This 3.75 pounds lightweight angle grinder has a Torque of 2000 Inch Pounds.

 

Features at a Glance

• A Brushless motor requires no brush changes.
• Powerful brake stops wheel within 2 seconds or less on average.
• Kickback Brake starts working when there is a pinch, stall, or bind-up event, electronic brake stops the wheel with maximum and shuts the grinder off.
• E-Switch Protection features for more safety.
• A two-stage trigger requires two actions to activate the tool.
• 3 years limited warranty will be given.

 

 

 

2. PORTER-CABLE PCC761B 20V MAX Angle Grinder Tool, 4-1/2-Inch

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This powerful small cordless angle grinder is ideal for aggressive cutting, removal, and finishing. Its high-performance motor can deliver 8,500 RPMs for a higher power load. Cast metal gear housing helps dissipate heat during extended use of a metal grinder and boosts for longer tool life.

 

The handle of this tool is contoured and overmolded for increased comfort and can be placed in 3 positions for work in different places. Tool-Free Guard allows guard adjustments more quickly and easily. It is a certified frustration-free tool.

 

Features at a Glance

• A high-performance motor can deliver 8,500 rpm for aggressive cutting, removal, and finishing.
• Cast metal gear housing helps dissipate heat during extended use of a metal grinder.
• Contoured Overmolded Handle for increased comfort.
• 3-Position Side Handle offers to use the grinder in multiple positions for more work convenience.
• Tool-Free Guard allows guard adjustments more quickly and easily.
• 20V Max System for the high-performance cordless platform.
• 3 years limited warranty will be given.
• Certified frustration-free.

 

 

3. Milwaukee 2780-20 M18 Fuel 4-1/2″/5″ Pad, Bare

 

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This tool is considered the World’s first cordless grinder with corded performance. Its POWERSTATE brushless motor can produce maximum power and provides up to 10X longer motor life. The M18™ REDLITHIUM™ XC5.0 Battery Pack (not included) delivers up to 4X more run time and 20% more power.

 

This powerful cordless angle grinder features REDLINK PLUS™ Intelligence, the most advanced system of cordless power tool electronics, for maximum performance. Metal housing & gearing system makes this tool versatile for legendary high performance and durability.

 

The tool is designed with Paddle-Switch for increased comfort and can be used easily in different positions. All accessory changes and guard adjustments are 100% tool-free for increased productivity, easy to use, and less downtime during work. Grinding wheel sold separately.

 

Features at a Glance

• World’s first cordless grinder with corded performance.
• POWERSTATE brushless motor can produce maximum power and provides up to 10X longer motor life.
• REDLINK PLUS Intelligence offers an electronic clutch and overload protection.
• REDLITHIUM XC5.0 Battery Pack (not included) provides 2X more run-time.
• Metal housing & gearing system for legendary high performance and durability.
• All accessory changes and guard adjustments are 100 % tool-free for increased productivity.
• Paddle-switch allows increased comfort and versatility.
• 5 years warranty will be given on the tool.

 

 

4. Makita XAG04Z 18V LXT Lithium-Ion Brushless Cordless 4-1/2” / 5″ Cut-Off/Angle Grinder

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Makita 18V LXT Lithium-Ion Brushless Cordless 4-1/2″/ 5” Cut-Off/Angle Grinder can produce power like a corded grinder. This tool is powered by a Makita Brushless motor for a longer run time, increased power and speed, and longer tool life.

 

Automatic-Speed-Change technology adjusts speed and torque automatically during operation for optimal performance. Makita 18V Lithium-Ion batteries have the fastest charging times making them more productive.

 

Active feedback sensing technology (AFT) turns the motor off if there is any problem with wheel rotation. This tool is ideal for grinding, cutting, and sanding a wide range of materials like tile, concrete, pipe, conduit, and more.

 

Features at a Glance

• Automatic speed change technology adjusts speed and torque during operation for optimum performance.
• Active feedback sensing technology (AFT) turns the motor off if there is any problem with wheel rotation.
• The BL brushless motor runs cooler and more efficiently for longer life.
• An efficient BL brushless motor is electronically controlled to optimize battery energy use for up to 50 percent longer run-time per charge.

 

 

5. POPOMAN Brushless Cordless Angle Grinder 20V MAX, POPOMAN 4-1/2 Inch 10000RPM Cordless Grinder

 

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When you are searching for the best cordless angle grinder to do the perfect cutting, grinding, polishing, or finishing, you can choose POPOMAN20V MAX, 4-1/2 Inch Cordless Angle Grinder Tool.

 

Its brushless motor can produce a constant no-load speed of 10,000 RPMs with 10x motor life with low noise optimizes grinding efficiency and 2.5x use time per charge. This tool is designed with a 3-Position Anti-vibration Side to Handle for more control, comfort, and versatility in all applications.

 

This grinder has built-in overcharge and overheats protection which protects the battery life. POPOMAN’s innovative ventilation holes prevent the tool from dust and dirt providing longer tool life.

 

Features at a Glance

• A high-performance Brushless Motor can deliver a no-load speed of 10,000 RPMs.
• 10x motor life with low noise optimizes grinding efficiency, and 2.5x use time per charge.
• 150% higher operating efficiency compared to conventional angle grinders.
• 3-Position Anti-vibration Side Handle for more control, comfort, and versatility in all applications.
• The built-in overcharge and overheat protection protect the battery life.
• The quick-release cover prevents the sparks.
• Innovative ventilation holes prevent the tool from dust and dirt providing longer tool life.
• 2-YEAR QUALITY PROMISE for the product.

 

 

6. Bosch GWS18V-45 18V 4-1/2 In. Cordless Angle Grinder

 

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This portable cordless angle grinder is ideal for constructors, plumbers, or electricians for its professional power. Its powerful four-brush motor can produce 0-10,000 no-load RPMs. Bosch cordless angle grinder features a two-position Vibration Control side handle for more comfort to use.

 

Bosch’s Electronic Cell Protection and Electronic Motor Protection boost long tool life. This well-balanced product also features a toolless quick-change, burst-resistant wheel guard, and restart protection to avoid accidental startup.

 

Features at a Glance

• Its powerful four-brush motor can produce 0-10,000 no-load RPMs to handle the toughest cutting and grinding jobs.
• Bosch’s Electronic Cell Protection and Electronic Motor Protection boost long tool life.
• The two-position Vibration Control side handle for comfortable control with less user fatigue.
• Tool-less quick-change, burst-resistant wheel guard, and restart protection make this tool more versatile.
• The Bosch GWS18V-45 18V Angle Grinder is optimized for metal applications with outstanding cutting ability.

 

 

7. Skil AG290202 20V 4-1/2 Inch Angle Grinder, Includes 2.0Ah PWRCore 20 Lithium Battery and Charger

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This powerful workhorse is ideal for a plumbing job, cutting and grinding metals in the workshop, or other home projects. Its powerful motor can achieve speed up to 8,500 RPMs.

 

This tool comes with a 2.0Ah PWRCore 20 Lithium Battery having a patented temperature management system that results in longer run time and longer battery life. 20V Charger ensures you charge quickly and make it last longer.

 

Its 3-Position Side Handle offers more control, comfort, and versatility in all applications. This tool is designed with innovative safety features including a convenient Lock-On switch, soft starts-up, and charge status indicator light. Onboard wrench storage makes tool-free guard adjustments.

 

Features at a Glance

• The powerful motor can achieve speed up to 8,500 RPMs.
• Having an innovative temperature management system, the PWRCore 20 Lithium Battery remains cool.
• 3-Position Side Handle for more control, comfort, and versatility in all applications.
• DUAL FUNCTION LOCK-ON SWITCH prevents accidental start-up.
• Lock-On switch and soft starts-up make this tool more comfortable and easy to use.

 

 

8. DEWALT DCG413R2 20V MAX Angle Grinder Tool Kit, 4-1/2-Inch, Paddle Switch with Brake

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If you are searching best cordless angle grinder for grinding, DEWALT DCG413 4-1/2 Inch Cordless Angle Grinder can be your right choice. This small DeWalt cordless angle grinder features a 1550W brushless motor that can produce 9000 RPM, more than enough to cut and grind whatever you want, even thick metal and cement.

 

Its batteries provide up to 54% longer runtimes than other third-party batteries. It takes no time to change the accessories. This product comes with Kickback Brake that stops the blade within 2 seconds or less if there is a pinch, stall, or bind-up.

 

The more interesting protection feature of this tool is the E-Switch which works through on-board software and prevents the tool from being activated and potentially damaging internal components in case of an unexpected shutdown. Its lever-type switch makes the users comfortable gripping it.

 

Features at a Glance

• 1550W brushless motor can produce 9000 RPMs.
• The Brushless motor requires no brush changes.
• Kickback brake stops wheel within 2 seconds or less on average.
• Lithium-ion batteries provide up to 54% longer runtimes.
• E-Switch prevents the tool from being activated and potentially damages internal components in case of an unexpected shutdown, the trigger switch will need to be cycled (turned off and then on) to restart the tool.
• A two-stage trigger requires two actions to activate the tool.
• Lever-type switch for comfortable gripping.

 

 

9. CRAFTSMAN CMCG400B V20 Angle Grinder, Small, 4-1/2-Inch, Tool Only

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This 4-1/2-inch small angle grinder is ideal for all types of grinding and cutting. Its high-performance motor can produce a no-load speed of 8,500 RPMs for aggressive applications. Cast metal gear housing removes heat when extended worktime securing longer tool life.

 

This grinder is designed with Tool-Free-Guard-Adjustment which makes this tool more flexible for applications. The 3-position contoured over-molded handle offers maximum leverage of the workplace. The battery and charger are sold separately.

 

Features at a Glance

• A high-performance motor produces 8,500 RPMs for aggressive applications.
• Cast metal gear housing removes heat for longer tool life.
• Tool-free guard adjustment makes this tool more flexible for applications.
• The 3-position contoured over-molded handle offers maximum leverage of the workplace.
• Battery and charger sold separately.

 

 

10. Ryobi P423 18V One+ Brushless 4-1/2″ 10,400 RPM Cordless Grinder

 

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This powerful cordless angle grinder is ideal for a plumbing job, cutting and grinding metals in the workshop, or other home projects. The brushless motor provides up to 10,400 RPMs (no load) for higher speed and performance. Onboard spanner wrench helps to replace wheels with ease in seconds.

 

3-position side-mounted handle offers maximum leverage wherever you work. The over-mold with rubber grip lets you hold the grinder tightly for more control and comfort. The tool-free adjustable guard lets you work from the ground or on a ceiling without too much exposure to sparks. This tool is lightweight at 4.35 pounds.

 

Features at a Glance

• The brushless motor provides up to 10,400 RPMs (no load)
• Onboard spanner wrench helps to replace wheels with ease in seconds. This wrench is stored on the tool, so you need not worry about losing it.
• 3-position side-mounted handle offers maximum leverage of the workplace.
• The over-mold with rubber grip lets you hold the grinder tightly for more control and comfort even in slippery environments.
• Tool-Free-Guard-Adjustments for more convenience.

 

 

Things You Should Know When Choosing The Best Cordless Angle Grinder [Buying Guide]

Finding the best angle grinders according to your need is quite difficult with the wide range of choices available on the market today. However, you should consider some important issues when choosing the best cordless angle grinder.

 

At first, you should make up your mind about your need and budget, and then cross-examine the following issues with the products and prioritize what is more suitable to fulfill your needs and start with that.

 

 

Handling

Angle grinders should be easy to handle and well balanced. The users should be ensured that they are safe in the handling of the tools. You should consider that tool as having an adjustable side handle.

 

This will help to use both hands for more work convenience. It should have anti-vibration features for ease of handling the tool. The handle also should be adjusted with a guard for preventing the debris and sparks that result from cutting materials.

 

Ease of use

The tool should be easy of using applications- changing the wheels, moving the protecting guard, or putting the handle in a different position. When buying a grinder, you should go for a model that features a tool-free change of accessories and tool-free guard adjustment. You should also check that the handle can be placed in 3 positions for more comfortable to use.

 

Power and Speed

You should consider the power and speed capacity of the grinder very carefully. For better work performance, you should go for the model that has a powerful brushless motor and higher revolutions per minute. However, all the cordless grinders listed above are able to reach speeds up to 8,000 to 10,400 RPMs.

 

Battery Life

The battery is the lifeline of the cordless angle grinder! So, you should use the biggest battery for longer battery life. There is another option. You can also buy multiple batteries so that you can change with a full battery when your battery is dead. For that, you should go for a model that offers interchangeable batteries.

 

Safety Features

Using an angle grinder may be dangerous if the tool is out of safety features including electric brake, automatic shutdown, kickback prevention, soft start, overload protection, and drop protection for protecting both you and the tool.

 

You can’t find the same set of safety features in all models at a time, so you should keep an eye out for them. You should pay attention to find out the brand having most of the safety features.

 

 

 

Who Makes The Best Cordless Angle Grinder?

A wide range of manufacturers and brands make the best cordless angle grinder. Some of them are :

 

• Robert Bosch GmbH: Popularly known as Bosch is a German multinational engineering and technology company that manufactures 4-1/2 Inch best Cordless Angle Grinder (Bosch GWS18V).

 

• DeWalt: This American worldwide manufacturer produces DEWALT DCG413 4-1/2 Inch Cordless Angle Grinder.

 

• Makita Corporation: This Japanese manufacturer supplies the best Makita XAG21ZU 4-1/2″ / 5″ Cordless Angle Grinder.

 

• Milwaukee Electric Tool Corporation: This Hong Kong-based company, manufactures and develops the best Milwaukee 2980 4-1/2″/6″ Cordless Angle Grinder.

 

• Ryobi Seisakusho Co. Ltd: This Japanese manufacturer makes and distributes the best Ryobi P423 4-1/2 Inch Brushless Cordless Angle Grinder.

 

• Craftsman: It is an American-based manufacturer that produces and develops the best CRAFTSMAN CMCG400B 4-1/2-Inch Cordless Angle Grinder.

 

 

Frequently Asked Questions

Q: What’s the best cordless angle grinder?

A: Wide range of the best cordless angle grinders are available on the market. Among them, DEWALT DCG413B 20V MAX Brushless Cut-Off Tool/Grinder is the best out of ratings. You can also try PORTER-CABLE PCC761B 20V MAX 4-1/2-Inch Angle Grinder Tool or Milwaukee 2780-20 M18 Fuel 4-1/2″/5″ Pad.

 

Q: Are cordless angle grinders any good?

A: Cordless angle grinders are good for many. As it is portable, this tool can be used in different places. Cordless angle grinders are ideal to work in hard-to-reach places for more work convenience. As it has no cord, so you don’t have to rely on a secondary power source. Again, cordless power tools are typically easier to store than corded ones.

 

Q: How long do cordless angle grinders last?

A: Typically, a cordless angle grinder lasts up to 30 minutes depending on machine model, battery power, disc choice, and applications.

 

Q: Who makes the most powerful cordless grinder?

A: Several manufacturers make the most powerful cordless angle grinders. They are DeWalt, Bosch, Metabo, Makita, Milwaukee, Ryobi, and CRAFTSMAN.

 

Q: What is the best DeWalt cordless grinder?

A: From my own experience, I can tell that The Best DeWalt cordless angle grinder is DEWALT DCG413 4-1/2 Inch Cordless Angle Grinder. It has brushless motor so your angle grinder do not require any brush changes. Also this wonderful grinder’s brake stops wheel in 2 seconds or less on average which makes things quick and easy. So you can choose this one without any doubt.

 

 

Final Words

Cordless angle grinders are getting more popular among the constructors, plumbers, electricians, or to do home projects. As this tool is portable, you can take this tool wherever you want without any tension of having an outlet and use it in different hard-to-reach places. The more quality tool, the more work performance.

 

So, you should choose the best cordless angle grinder for your job though it is a very difficult task to find out the right one among the wide range of choices available on the market, especially if you haven’t used one yet. In that case, this buying guide will help you.

 

If you kindly go through the cordless grinder reviews above of the listed models, we hope you can certainly find your favorite one. In addition, you can also cross-examine your choice with the buying guide and FAQ section. Have a great time with grinding and cutting!

 

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