Aug 21, 2020

Best Cordless Grinder Review & Buyer’s Guide 2021

In this review, we have reviewed the best cordless grinder available in the market as per today. We have also included a comprehensive guide that helps you pick the most appropriate model. Additionally, going through the top 10 cordless grinder reviews will help you narrow down your choice of the most appropriate choice that fits your need.

In a Hurry !! and want a quick review here is our editors pick

Editor’s Pick

DEWALT DCG413B Brushless Tool Grinder

Top 10 cordless grinder

IMAGE PRODUCT Rating

4.8 out of 5 stars, 624 customer reviews Check Best Price

4.8 out of 5 stars, 624 customer reviews Check Best Price

4.7 out of 5 stars, 88 customer reviews Check Best Price

4.7 out of 5 stars, 635 customer reviews Check Best Price

4.6 out of 5 stars, 237 customer reviews Check Best Price

3.6 out of 5 stars, 24 customer reviews Check Best Price

4.7 out of 5 stars, 128 customer reviews Check Best Price

4.6 out of 5 stars, 49 customer reviews Check Best Price

2.9 out of 5 stars, 4 customer reviews Check Best Price

3.8 out of 5 stars, 47 customer reviews Check Best Price

Best cordless grinder

1. DEWALT DCG413B Brushless Tool Grinder

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DEWALT DCG413B Brushless Tool Grinder
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  • DEWALT Brushless motor: delivers up to 57 percent more run time over brushed
  • No load speed: max 9, 000 RPMs
  • Blade brake: brake engaged when paddle switch is released, bringing the wheel quickly to a stop
  • Warranty: backed by DEWALT 3 year limited warranty
  • Battery & Charger Sold Separately
  • *Maximum initial battery voltage (measured without a workload) is 20 volts. Nominal voltage is 18

2. DEWALT DCG413B Brushless Tool Grinder

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DEWALT DCG413B Brushless Tool Grinder
  • Make sure this fits
    by entering your model number.
  • DEWALT Brushless motor: delivers up to 57 percent more run time over brushed
  • No load speed: max 9, 000 RPMs
  • Blade brake: brake engaged when paddle switch is released, bringing the wheel quickly to a stop
  • Warranty: backed by DEWALT 3 year limited warranty
  • Battery & Charger Sold Separately
  • *Maximum initial battery voltage (measured without a workload) is 20 volts. Nominal voltage is 18

3. Brushless Lithium Ion 2 Position Adjustable Auxiliary

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Brushless Lithium Ion 2 Position Adjustable Auxiliary
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    by entering your model number.
  • 【Cordless and Connected-Ready Power】What can you do if you are not close to a wall outlet, or working in a tight, confined area? Going cordless is definitely a smart choice. Corded grinders are generally more robust, yet are noisier, and less versatile. KIMO has prepared this irreplaceably convenient cordless one with battery power for your quick job without getting extension cords out.
  • 【Efficient Brushless Motor】KIMO angle grinder has a lot of standout features, but chief among them is the brushless motor. Thanks to the all-copper and premium magnet, the operation becomes more stable and smoother. Many professionals and DIYers are heading to brushless motor to enjoy the 53.5% longer runtime and much more efficient experience.
  • 【Proudly Present KIMO Li-ion Technology】For over 25 years, KIMO has made great progress in 1,000-Charging Cycle Test that guarantees each KIMO battery is more powerful, and lives longer than others. No worries about dying cells anymore. Go with KIMO, enjoy, and accomplish more than you ever expected.
  • 【Maximum 9000 RPM & Ergonomic Design】9000 RPM motor provides higher power for grinding metal, and cutting tile, rebar and concrete. Rubberized and ergonomic 2-position grip handle increases comfort on the job for any workshop, service garage, auto repair, or home hobbyist.
  • 【26 Pcs Accessories】It is hard to determine market gimmick from the actual performance features that matter but KIMO hopes to help with that. A simple one-click order to get the most valuable tool kit, and let us prepare any accessories you need. Each Cut-Off Tool Kit comes with 10*Sandpaper; 5*Metal Cutting Wheel; 5*Grinding Wheel; 1*Wood Cutting Wheel; 1*Hook&Loop Backing Plate; 1*Carrying Bag; 1*Fast Charger; 1*Battery; and 1*Wrench.

4. Dewalt DCG412B Lithium grinder Tool

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Dewalt DCG412B Lithium grinder Tool
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    by entering your model number.
  • 8,000 RPM motor provides high power for cutting and grinding applications
  • Quick-Change Wheel Release allows for tool free wheel changes
  • 2-finger trigger switch with lock-off button
  • 2-position side handle for greater control, comfort & versatility
  • Battery & Charger Sold Separately
  • *Maximum initial battery voltage (measured without a workload) is 20 volts. Nominal voltage is 18

5. Milwaukee 2680 20 Lithium Cordless Resistant

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Milwaukee 2680 20 Lithium Cordless Resistant
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    by entering your model number.
  • PADDLE SWITCH: You can activate this grinder easily, even when you’re wearing thick work gloves, thanks to the paddle switch design
  • DEBRIS BAFFLES: An “L” shape molding near the grinding wheel picks up debris and prevents it from clogging up the tool’s internal components
  • TOOL-FREE GUARD: The guard is easily adjustable. All it takes is the push of a button, and you can have the guard adjusted for a variety of cutting applications at different angles
  • 3-POSITION SIDE HANDLE: Work with maximum stability with the help of the plastic handle, included in this kit
  • M18 COMPATIBLE: This Milwaukee power tool works with M18 18v lithium ion Milwaukee batteries. Compatible models include the 48-11-1860, 48-11-1850, 48-11-1828, and 48-11-1815, 48-11-1840, 48-11-1820
  • 4-pole motor delivers maximum power when cutting or grinding
  • Overload protection prevents damage to the tool and battery in abusive situations

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6. CACOOP 20V Cordless Angle Grinder

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CACOOP 20V Cordless Angle Grinder
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    by entering your model number.
  • 【Power Cordless Angle Grinder】20V 6.53lbs M14 cordless angle grinder provides more torque during grinding and cutting.
  • 【High-performance Motor】Built-in brushed motor angle grinder produces 8000RPM(No-load) and efficiency of the job up to 50%.
  • 【Security and Convenient Design】Comes with push-button and lock-off switch prevent accidental start-up and easy to exchange direction under the 3-position adjustable auxiliary handle.
  • 【Lithium-ion Battery】The cordless angle grinder includes 2.0Ah lithium-ion battery and 1-hour fast charger for home projects. Overheat and overload protection prevents damage to the tool and battery in abusive situations.
  • 【Package Include】 Portable Cordless Angle Grinder, 1 x 2A Lithium-ion Battery ,1x Fast Charger ,1 x Grinding Disc ,1 x Cutting Disc ,1 x Side handle ,1 x Allen wrench ,1 x Carrying Bag ,1x User manual.

7. Makita XAG04Z Lithium Ion Brushless Cordless

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Makita XAG04Z Lithium Ion Brushless Cordless
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  • Automatic speed change technology adjusts speed and torque during operation for optimum performance
  • Active feedback sensing technology (aft) turns the motor off if 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
  • Efficient BL Brushless motor is electronically controlled to optimize battery energy use for up to 50 percent longer run time per charge
  • The electronically controlled BL Brushless motor efficiently uses energy to match torque and RPM to the changing demands of the application
  • Spindle Thread : 5/8 inch 11 UNC

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8. Bosch 18V Angle Grinder GWS18V 45

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Bosch 18V Angle Grinder GWS18V 45
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    by entering your model number.
  • LONGEVITY: The Bosch GWS18V-45 18V Angle Grinder delivers all-day grinding and cutting power. It’s designed for a longer tool life with Bosch’s Electronic Cell Protection and Electronic Motor Protection.
  • POWER: The grinder includes a powerful four-brush motor design with 0-10,000 no-load rpm to handle the toughest cutting and grinding jobs.
  • CONTROL: The tool features a two-position Vibration Control side handle, for comfortable control, less user fatigue and smoother grinding.
  • SECURE: For user protection, this cordless grinder was engineered with a tool-less quick-change, burst-resistant wheel guard and restart protection to avoid accidental startup.
  • PRECISION: The Bosch GWS18V-45 18V Angle Grinder provides outstanding cutting ability and is optimized for metal applications.

9. Ridgid Cordless Brushless Non Retail Packaging

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Ridgid Cordless Brushless Non Retail Packaging
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  • High Power Output with 10,000 RPM
  • Tool Free Guard Design: Easily change the position of the guard for increased productivity
  • Lock-Off Protection: Prevents accidental start. If the battery is installed while the tool lock is on, the tool will not operate.
  • Battery and charger sold separately
  • This item is removed from retail packaging for shipping purposes (Bulk Packaged) and will arrive in a generic box.

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10. Grinder PWRCore Lithium Battery Charger

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Grinder PWRCore Lithium Battery Charger
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    by entering your model number.
  • CUT, SAND, POLISH AND SHARPEN–Use this cordless grinder for a variety of DIY tasks including cutting tile, grinding metal, sanding, polishing, sharpening and more.
  • Longer run time & battery life–the PWR Core 20 Lithium battery has an innovative temperature management system to keep battery cool and powering on through your project.
  • 3-POSITION SIDE HANDLE–Choose the positioning that works best for you and the task at hand.
  • DUAL FUNCTION LOCK-ON SWITCH–Prevents accidental start up and locks on for convenient prolonged use.
  • ENHANCED CONTROL–An easier and safer start.
  • TOOL-FREE GUARD ADJUSTMENT–One handed release to quickly adjust position of guard.
  • SPINDLE LOCK–Positioned for easy reach to make wheel change seamless.
  • ONBOARD WRENCH STORAGE–Conveniently located in side handle for easy access.

Final Verdict

So those were some of the cordless grinder in market. Overall, all of these cordless grinder come with their uniqueness. And all of them has its own features. So go ahead and check all of them and see which one is working the best for you. Then compare the cordless grinder and see which one is the best option for you. Also, if you have any more questions to ask. Then do feel free to comment below and I will surely help you with your question.