Best Cordless Angle Grinders

February 15, 2025 at 15:01 PM EST

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Originally Posted On: https://benchmarkabrasives.com/blogs/product-reviews/best-cordless-angle-grinders

Best Cordless Angle Grinders 2025: Top Picks for Hardworking Pros

If you’re in the market for a cordless angle grinder that can keep up with your grind (pun intended), you’ve come to the right place. Whether you’re cutting through metal, grinding down welds, or just looking for a tool that won’t quit before you do, we’ve rounded up the best cordless angle grinders of 2025 to make your choice easier.

Factors to Consider While Choosing a Cordless Angle Grinder

When purchasing a new cordless angle grinder, the following factors are important to ensure it meets the demands of the task effectively and efficiently:

1. Battery Performance & Compatibility

Voltage and Amp-Hours (Ah): Higher voltage (e.g., 18V, 20V, or 36V) provides more power, while higher amp-hours (e.g., 4.0Ah, 5.0Ah) offer longer runtime.
Battery System Compatibility: Sticking with a brand that shares batteries across multiple tools (e.g., Milwaukee M18, DeWalt 20V Max, Makita LXT) can save costs and simplify charging.
Charge Time: Fast-charging options help minimize downtime on the job.

2. Power & Performance

Motor Type: Brushless motors provide higher efficiency, longer lifespan, and better power output than brushed motors.
RPM (Revolutions Per Minute): Look for grinders with variable speed options, typically around 8,000–10,000 RPM for general tasks.
Torque: Sufficient torque is important for tougher materials like metal and concrete.

3. Ergonomics & Weight

Weight: A balance between power and portability; lighter grinders (4-6 lbs) reduce fatigue during extended use.
Grip Comfort: Rubberized or contoured grips improve control and reduce strain.
Size: Compact models are easier to maneuver in tight spaces.

4. Durability & Build Quality

Housing Material: Metal gear housing improves durability in harsh job site conditions.
Dust Protection: Sealed components to prevent debris entry and prolong tool life.
Vibration Control: Anti-vibration handles can reduce hand fatigue and increase control.

5. Safety Features

Kickback Brake: Automatically stops the wheel if it binds, reducing injury risk.
Electronic Clutch: Helps prevent motor damage during binding.
Overload Protection: Prevents overheating and extends tool life.
Guard Adjustability: Tool-free guard adjustments for quick positioning and added protection.

6. Disc Size & Compatibility

Standard Sizes: 4.5-inch and 5-inch are common for most tasks, but larger 7-inch grinders are available for heavier applications.
Disc Types: Ensure compatibility with cutting, grinding, and flap discs used frequently in your work.

7. Price & Value

Budget Considerations: Balance features with cost; investing in a quality tool can save money over time.
Warranty: A solid warranty (e.g., 3-5 years) ensures coverage against defects or failures.

8. Brand Reputation & Reviews

Research trusted brands such as DeWalt, Milwaukee, Makita, Bosch, or Metabo for proven reliability and performance.
Check reviews from other tradespeople to gauge real-world performance and common issues.

9. Accessories & Extras

Included Components: Some kits come with multiple batteries, chargers, carrying cases, or additional wheels.
LED Work Light: Useful in low-light conditions for better visibility.

Focusing on these factors helps ensure the grinder meets job site demands, enhances productivity, and provides a good return on investment.

We’ve compared features, performance, and the all-important “will this thing last?” factor to help you get the most bang for your buck. So, grab your coffee, and let’s dive into the top picks that are making waves this year.

Best Cordless Angle Grinders in 2025

When buying a new cordless angle grinder, it is important to consider reputable brands such as Milwaukee, DeWalt, Makita, Bosch, and Ryobi. These brands are known for their high-quality products, which offer excellent power and durability. Check out our top selections of the best cordless angle grinders, which offer reliable performance and are available at a variety of price points.

Milwaukee 2886-20 – Best for heavy-duty applications
Milwaukee 2880-20 – Versatile and powerful
DeWalt DCG413B – Safety-first and high-performance
Makita XAG04Z – Smart and adaptive
Milwaukee 2780-20 – Reliable daily workhorse
Bosch GWS18V-45 – Fast and efficient
Ryobi P423 – Best budget-friendly option

Best For Heavy-duty Applications

1. Milwaukee 2886-20 (The Heavy Hitter)

Why it’s the best:

Power: High torque for serious grinding jobs
Disc Size: 7 inches (bigger is better, right?)
Key Features: Dual trigger for extra safety, metal housing for durability
RPM: 6,600

If you’re tackling heavy-duty applications and need a grinder that can take a beating, the Milwaukee 2886-20 is your go-to. With a dual-trigger design, it keeps safety at the forefront, while the metal housing means this bad boy can handle the rough and tough of job sites without batting an eye. It’s got power, it’s got durability, and it won’t let you down when things get tough.

Get the Milwaukee 2886-20 angle grinder at Amazon

Versatile and Powerful

2. Milwaukee 2880-20 (The All-Rounder)

Why it’s great:

Power: Versatile and reliable
Disc Size: 4.5-5 inches
Key Features: REDLINK PLUS intelligence, paddle switch, tool-free guard
RPM: 8,500

For those who want a balance of power and control, the Milwaukee 2880-20 is a solid choice. The paddle switch makes operation a breeze, and the tool-free guard adjustments keep you working efficiently. Whether you’re cutting, grinding, or just showing off, this grinder won’t disappoint.

Get the Milwaukee 2880-20 angle grinder at Amazon

Best For Safety and High-performance

3. DeWalt DCG413B (Safety First)

Why it’s a top pick:

Power: High-speed performance
Disc Size: 4.5 inches
Key Features: Kickback Brake, E-Switch Protection, tool-free guard
RPM: 9,000

With features like the Kickback Brake and E-Switch Protection, this DeWalt model puts safety first without sacrificing power. Perfect for welders and metalworkers who need to stay sharp (literally) and avoid any nasty surprises.

Get the DeWalt DCG413B angle grinder at Amazon

Smart and Adaptive

4. Makita XAG04Z (The Smart Grinder)

Why it’s worth considering:

Power: Adaptive torque control
Disc Size: 4.5-5 inches
Key Features: Automatic Speed Change, AFT Safety, Soft Start
RPM: 8,500

Makita brings the brains with its Automatic Speed Change technology that adjusts speed and torque based on what you’re cutting. Plus, it’s got a soft start, so no more jumping out of your hands like an angry jackrabbit.

Get the Makita XAG04Z angle grinder at Amazon

Reliable and Best For Everyday Use

5. Milwaukee 2780-20 (The Workhorse)

Why it holds up:

Power: Dependable daily performance
Disc Size: 4.5 inches
Key Features: REDLINK PLUS, paddle switch, tool-free changes
RPM: 8,500

Reliable, tough, and ready to grind through your day, the Milwaukee 2780-20 is a great choice for those who want a straightforward, no-nonsense grinder that does what it says on the box.

Get the Milwaukee 2780-20 angle grinder at Amazon

Best For a Fast and Efficient Option

6. Bosch GWS18V-45 (Speed Demon)

Why it’s a contender:

Power: High-speed operation
Disc Size: 4.5 inches
Key Features: ECP/EMP protection, ergonomic grip
RPM: 10,000

This grinder might not have all the bells and whistles, but it makes up for it with raw speed. If you’re all about getting the job done fast, the Bosch GWS18V-45 is a solid pick.

Get the Bosch GWS18V-45 angle grinder at Amazon

Budget-friendly Option

7. Ryobi P423 (Budget-Friendly Choice)

Why it’s a great value:

Power: Solid for light-duty tasks
Disc Size: 4.5 inches
Key Features: Three-position handle, tool-free guard, ONE+ battery system
RPM: 10,400

If you’re working on a budget but still want decent performance, the Ryobi P423 is a respectable option. It’s part of Ryobi’s ONE+ system, so you can swap batteries between your other Ryobi tools and keep the job going.

Get the Ryobi P423 angle grinder at Amazon

Final Ranking Summary: Best Cordless Angle Grinders

We hope you have gone through our complete guide to the best cordless angle grinders in 2025, highlighting their versatility for grinding and cutting. Below is a list of the most popular cordless angle grinders available in the market to help make your grinding job much easier.

Milwaukee 2886-20 – Best for heavy-duty applications
Milwaukee 2880-20 – Versatile and powerful
DeWalt DCG413B – Safety-first and high-performance
Makita XAG04Z – Smart and adaptive
Milwaukee 2780-20 – Reliable daily workhorse
Bosch GWS18V-45 – Fast and efficient
Ryobi P423 – Best budget-friendly option

Choosing the right cordless angle grinder boils down to your specific needs. If you need raw power, go with the Milwaukee 2886-20. Want a balance of performance and usability? The Milwaukee 2880-20 has your back. Need a budget-friendly pick? The Ryobi P423 will get the job done without breaking the bank.

Whatever your choice, make sure you choose a grinder that can keep up with you—because, let’s face it, no one likes a tool that taps out before the job is done.

Got your eye on one of these grinders? Shoot us an email and let us know which one’s your worksite MVP!

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