7 Best Cordless Grinder to Get the Job Done

cordless grinder
q? encoding=UTF8&ASIN=B007NVSS1W&Format= SL160 &ID=AsinImage&MarketPlace=US&ServiceVersion=20070822&WS=1&tag=captaintool 20&language=en USDewalt 20V MAX Lithium-Ion Cordless Grinder4.8/5Check Price
q? encoding=UTF8&ASIN=B0794FLF8X&Format= SL160 &ID=AsinImage&MarketPlace=US&ServiceVersion=20070822&WS=1&tag=captaintool 20&language=en USMakita Cordless Angle Grinder4.8/5Check Price
q? encoding=UTF8&ASIN=B00FQ8OHBE&Format= SL160 &ID=AsinImage&MarketPlace=US&ServiceVersion=20070822&WS=1&tag=captaintool 20&language=en USPORTER-CABLE 20V MAX Angle Cordless Grinder4.7/5Check Price
q? encoding=UTF8&ASIN=B07MFD6N3L&Format= SL160 &ID=AsinImage&MarketPlace=US&ServiceVersion=20070822&WS=1&tag=captaintool 20&language=en USCRAFTSMAN V20 Angle Grinder4.7/5Check Price
q? encoding=UTF8&ASIN=B01F51C1SC&Format= SL160 &ID=AsinImage&MarketPlace=US&ServiceVersion=20070822&WS=1&tag=captaintool 20&language=en USBosch Angle Grinder4.7/5Check Price
q? encoding=UTF8&ASIN=B07PZJLDCL&Format= SL160 &ID=AsinImage&MarketPlace=US&ServiceVersion=20070822&WS=1&tag=captaintool 20&language=en USMetabo HPT Angle Grinder 18V Cordless4.7/5Check Price
q? encoding=UTF8&ASIN=B07YLXM8KS&Format= SL160 &ID=AsinImage&MarketPlace=US&ServiceVersion=20070822&WS=1&tag=captaintool 20&language=en USRidgid 18-Volt OCTANE Cordless Angle Grinder4.4/5Check Price

You need a tool that can get you through the day. You may not be able to use your cordless grinder all day, but it is great for quick jobs and when you are on the go. We will discuss 7 different cordless grinders so that you can find one that best suits what you need!

How Grinder Works?

Grinders use a high-speed motor and grinding disk to cut through objects. The disks can be made of metal, diamond, or some other material depending on the intended task of the tool. 

When using an angle grinder, you will need safety equipment such as gloves and eye protection because these tools tend to produce sparks when they come in contact with metal and stone.

Grinders are versatile tools that can be used for various tasks, from removing rust, cleaning metal, and cutting through glass and tile. 

Grinders are popular with homeowners who want a tool capable of performing multiple types of tasks quickly. Grinding wheels come in different shapes and sizes depending on the intended task they will perform as well as how much power you need.

Grinders can be corded or cordless. The corded grinder is powered by a power cord which can limit their mobility. Cordless grinders are powered by batteries and have the advantage of being used anywhere there is an available power outlet. 

Consider using a corded grinder if you require a lot of power and need to use it for extended periods. On the other hand, cordless grinders are better if you want more portability and flexibility in your work area.

Cordless Grinder

The Cordless grinder is powered by a rechargeable battery. Some of these grinders are small and lightweight enough to be used for detail work, while others pack more power allowing you to use them on larger projects.

Cordless grinders allow the user freedom in movement compared with corded ones, which tethers them down because they need an electrical outlet nearby. 

The downside of cordless grinders is that they can be more expensive to buy, and their batteries require regular recharging, but you can get a cordless grinder for any type of project.

One of the benefits of using a cordless grinder is that you can use it almost anywhere. You don’t need to worry about tripping over a cord or carrying around an extension cord, letting you work in multiple areas of your home with ease. 

Cordless grinders are great for getting into small spaces because they have smaller bases than other grinders.

A Cordless grinder is also lighter than corded grinders because a battery powers them. This makes them easier to handle for people who have wrist problems or suffer from fatigue when using heavy tools.

Now, if you are looking for the best cordless grinder, this guide will help you make the best decision.

7 Outstanding Cordless Grinder Review

Although there are many cordless grinders on the market, this guide will help you choose one that is best suited for your needs. We have reviewed some of the most popular brands to give you an idea of how each product performs.

1. Dewalt 20V MAX Lithium-Ion Cordless Grinder

q? encoding=UTF8&ASIN=B007NVSS1W&Format= SL160 &ID=AsinImage&MarketPlace=US&ServiceVersion=20070822&WS=1&tag=captaintool 20&language=en USMore Details

Meet Dewalt’s latest lithium-ion cordless grinder, the perfect tool for quick and easy home improvement projects. With a powerful 8,000 rpm motor that delivers high power for cutting and grinding applications, this band saw is meant to get the job done right without too much fuss or hassle. 

The metal grinder features an integrated quick-change wheel release that allows you to change out your wheel with no need for a wrench! For added safety, it also includes an adjustable guard with tool-free adjustments. 

This powerful Dewalt cordless grinder is here to do jobs involving grinding and cutting significantly more conveniently. While you use this product, the 2-finger trigger switch with a lock-off button ensures that activating it is as easy as can be. Alongside this feature, the side handle also adds to the convenience factor by providing greater control and versatility. Grab one today before they fly off our shelves!

  • Perfect for tough work
  • Batteries have a charge level indicator, so you know when it is done charging
  • Easy to operate
  • Portable
  • Short battery life, so buyers are recommending to use 5AH battery

2. Makita Cordless Angle Grinder

q? encoding=UTF8&ASIN=B0794FLF8X&Format= SL160 &ID=AsinImage&MarketPlace=US&ServiceVersion=20070822&WS=1&tag=captaintool 20&language=en USMore Details

The Makita Cordless Angle Grinder is the newest addition to our lineup of cordless power tools. It features innovative technology for optimum performance and automatic speed change technology that adjusts speed and torque during operation for best results. 

With its electric brake that stops the grinding or cut-off wheel in two seconds or less, this tool is perfect for people who need maximum productivity on job sites all around your city.

This tool is equipped with a BL Brushless motor, making it as durable as any corded grinder on the market. With Variable speed control dials for Manual RPM adjustment, you can rest assured that this product outperforms others of its kind on the market.

  • Great speed control feature
  • It has a paddle switch
  • It has an electric brake
  • Long battery life
  • Good work result
  • It is longer than other cordless grinders

3. PORTER-CABLE 20V MAX Angle Cordless Grinder

q? encoding=UTF8&ASIN=B00FQ8OHBE&Format= SL160 &ID=AsinImage&MarketPlace=US&ServiceVersion=20070822&WS=1&tag=captaintool 20&language=en USMore Details

The Porter-Cable 20V MAX Angle Cordless Grinder has a high-performance motor that produces 8,500 rpm. This offers aggressive cutting and removal as well as finishing power for those jobs you want doing now. 

The cast metal gear housing helps dissipate heat during extended use of the angle grinder. This is not the corded handheld model we all know and adore. It’s ready to go anywhere with an onboard sliding power headlock for wheel changes and a contoured over-molded handle optimized to give increased comfort on tough grinding jobs.

This is the newest PORTER-CABLE grinder that has a lightweight feel without sacrificing power. It gives you almost cordless control with 3 different positions for the side handle to suit your needs. Tool-free guard adjustments are made quick and easy, too. 20V Max System means high-performance power at battery levels appropriate for extended projects anywhere in your shop. Battery and charger sold separately.

  • Powerful tool
  • Lightweight
  • Solid and strong
  • Less noisy than other cordless grinders
  • A detachable grip is flexible (can be put in different positions)
  • Short battery life
  • Heavy
  • It needs more power

4. CRAFTSMAN V20 Angle Grinder

q? encoding=UTF8&ASIN=B07MFD6N3L&Format= SL160 &ID=AsinImage&MarketPlace=US&ServiceVersion=20070822&WS=1&tag=captaintool 20&language=en USMore Details

You know when you need to get the job done quickly. We engineered our Craftsman V20 Angle Grinder with 8,500 RPM for aggressive applications, cast metal gear housing to dissipate heat during extended use, and a tool-free guard position so you can work your way around rusting or unfinished surfaces without any hassle. 

And it’s no wonder why this powerful angle grinder has been used in the construction industry for over sixty years! It contains a 3-position handle and contoured over-molded handle to provide you with the best experience possible when using it. Not only that, but this grinder also has an axial rotation of 1000 RPM and comes in three different sizes, meaning that there’s one for everyone.

  • Also good for sanding and cutting metals
  • Sharp and fast cutting
  • Lightweight and high quality
  • It uses a lot of power (need extra batteries)

5. Bosch Angle Grinder 

q? encoding=UTF8&ASIN=B01F51C1SC&Format= SL160 &ID=AsinImage&MarketPlace=US&ServiceVersion=20070822&WS=1&tag=captaintool 20&language=en USMore Details

The Bosch Angle Grinder is for heavy-duty jobs that need the power of a high RPM motor. Its four-brush design can handle anything, whether it’s cutting metal or creating sculptures with wood. With Electronic Cell Protection and Electronic Motor Protection, this grinder will be able to keep up while you work, making it one of the most reliable options on the market.

Bosch angle grinders come with a two-position Vibration Control side handle so you can be comfortable and less fatigued while using the tool. The tool is also cordless, has security features such as a tool-less quick-change burst-resistant wheel guard, restart protection to avoid accidental startup and precision for metal applications, making this product undoubtedly worth purchasing.

  • Easy to use and cut
  • Powerful tool
  • Long battery life
  • Easy and comfortable to handle
  • Hard to adjust the angles

6. Metabo HPT Angle Grinder 18V Cordless

q? encoding=UTF8&ASIN=B07PZJLDCL&Format= SL160 &ID=AsinImage&MarketPlace=US&ServiceVersion=20070822&WS=1&tag=captaintool 20&language=en USMore details

The Metabo HPT Angle Grinder is designed for tough applications and hardcore jobs. It boasts an Auto-mode that automatically adjusts the RPMs down when not under load to save battery life and protect equipment. Plus, its cordless design offers you more freedom of movement without the hassle of dragging around a cord or having to find an outlet.

The Metabo HPT Angle Grinder has variable speed control with no load up to 9,000 RPMs to get on any job swiftly while minimizing noise and vibration, plus its ergonomic handle offers comfort even after prolonged use. 

This extraordinary tool will quickly become indispensable once you try our angle grinder at home or in a trade! This angle grinder has an innovative protection system that safeguards its user from kickback and ensures safety through tough work such as cutting pieces of metal. 

It’s 4 lbs without a battery, so it’s capable of portable jobs as well as heavier ones for those looking for maximum power on the go. The drill features convenient cordless operation and is extremely lightweight at just under 5 pounds. Durable and ergonomically designed, the 18V lithium-ion battery provides a longer use time than traditional batteries! Go light but strong with this one!

  • Lightweight
  • Durable
  • Good for any project
  • Has an auto mode option letting you adjust the RPM when the grinder is not in use

    7. Ridgid 18-Volt OCTANE Cordless Angle Grinder

    q? encoding=UTF8&ASIN=B07YLXM8KS&Format= SL160 &ID=AsinImage&MarketPlace=US&ServiceVersion=20070822&WS=1&tag=captaintool 20&language=en USMore Details

    Handle the toughest jobs with the Ridgid 18-Volt OCTANE Cordless Angle Grinder. It has a powerful 10,000 RPM motor that offers high power output and variable speed to fit all types of grinding needs. 

    With an easy tool-free guard design, you can change positions for increased productivity anywhere between 0-1/4 inches in diameter. This combination grinder features lock-off protection, which will not allow operation if your battery is installed when the safety lock is engaged–that way, no accidents happen!

    • Excellent performance in grinding and cutting
    • Well designed
    • High-quality

      Buyers Guide: Picking The Best Cordless Grinder

      Before you buy a cordless grinder, there are some factors that you need to consider.


      When buying a cordless grinder, you should check the type of battery it uses. Some cordless grinders come with a bare tool which means that they do not include batteries and chargers in their package, allowing you to use your existing 20V power tools (which allows up to 50% more run time) or purchase third-party batteries.

      Many brands offer multiple battery options in their cordless grinder line. This gives you more choices when it comes to choosing a tool that is best suited for your needs and budget.

      You should also consider the voltage of the battery as well as its amperage, which determines how long it will stay charged before needing a recharge. The higher these two numbers are, the longer the battery will stay charged.

      Tool-Free System

      Aside from batteries, you should also check if the cordless grinder has a tool-free system that allows easy changing of accessories without using tools. 

      This is especially important for tasks that require frequent accessory changes, such as cutting or grinding materials like glass and tile, where different discs are required for different materials.

      Tool-free systems are great for saving time when doing a project, and it makes changing accessories easy with just the push of a button or swiping your hand across an electronic sensor.

      Grinder Disc Size

      When choosing a cordless grinder, you need to consider its disc size and the material it is compatible with. You should also check the shape of the disc as well since some grinders are designed for specific materials to use while others can be used on a variety of different surfaces and objects. There are different discs for different use, such as discs for metal, concrete, and masonry.

      Noise Level

      While noise level is not the most important factor in choosing a cordless grinder, it can be annoying to work with an extremely loud tool when you are either working in enclosed spaces or outside where quietness is necessary for safety reasons. 

      The best cordless grinder should have a noise level exceeding 80 decibels, which makes the tool more bearable to use without causing any hearing damage.


      Last but definitely not least, you need to consider how much this project will cost you because some brands may be too expensive for your budget while others are a little too cheap. It is important to find a cordless grinder that falls within your price range and has all the features you need without going over budget.

      You should also consider if there are any free replacement accessories or parts when buying a new tool because this can help save money in the long run. Most brands offer a one-year warranty for their products, but you should check if they offer an extended warranty to give your cordless grinder more protection.

      There are many brands of cordless grinders on the market today that can be overwhelming when looking for one that is best suited for your needs and budget.

      Cordless Grinder FAQ’s



      Submit a Comment

      Your email address will not be published. Required fields are marked *