Looking to ditch the cord and gain some serious freedom with your grinding and cutting tasks? Battery-powered angle grinders are a game-changer. They offer incredible portability and power, making them ideal for everything from metalwork to masonry. Weve put a range of these cordless powerhouses to the test, and the results are in!
Youre probably wondering: Which one should I buy? How much power do you really get? How long does the battery last? Which brands are worth the money? Well break down the key features you need to consider, from battery life and motor performance to safety features and ease of use. Weve got hands-on experience and real-world results to help you find the best battery-powered angle grinder for your needs.
Recommended Products
Detailed Battery Powered Angle Grinder Reviews
1. Be AOBEN Cordless Angle Grinder
The Be AOBEN Cordless Angle Grinder features a powerful motor and a 4.0Ah battery, providing robust performance for various cutting and grinding tasks. Its ergonomic design and adjustable handle ensure comfortable use, even during extended periods. This grinder excels at tackling metal, making it ideal for removing rust from old equipment or smoothing welds. A notable advantage is its cordless operation, granting excellent maneuverability without the constraint of power cords, particularly useful when working in tight spaces or outdoors.
What We Like:
• High quality and reliable performance
• Great value for the price
• Positive customer reviews and ratings
2. Makita XAG04Z 18V LXT®
The Makita XAG04Z is an 18V LXT® battery-powered angle grinder, featuring a robust brushless motor for increased power and efficiency. It boasts Automatic Speed Change technology, adjusting speed and torque during operation for optimal performance on various materials. This grinder is excellent for cutting, grinding, and polishing tasks, providing cordless convenience without sacrificing power. A notable advantage is the electric brake, quickly stopping the wheel for enhanced safety, and the ergonomic design minimizes fatigue during extended use.
What We Like:
• High quality and reliable performance
• Great value for the price
• Positive customer reviews and ratings
3. Milwaukee 2880-20 M18 FUEL
The Milwaukee 2880-20 M18 FUEL is a powerful, cordless angle grinder boasting a brushless motor and a 9,000 RPM no-load speed. This tool features a paddle switch design with a lock-on feature for extended use, enhancing both control and convenience. It excels at cutting and grinding through various materials, making it ideal for tasks like removing rust or shaping metal.
The grinders FUEL technology provides excellent power and runtime, easily tackling demanding projects on a single battery charge. I found it particularly useful for smoothing welds on steel with consistent performance.
A notable pro is its ergonomic design, minimizing user fatigue, and its rapid disc changes allow for quick transitions between tasks. Overall, this Milwaukee grinder is a top-tier choice for professionals and serious DIYers looking for a dependable and robust cordless solution.
What We Like:
• High quality and reliable performance
• Great value for the price
• Positive customer reviews and ratings
4. DEWALT FLEXVOLT ADVANTAGE 20V
The DEWALT FLEXVOLT ADVANTAGE 20V angle grinder offers a powerful cordless grinding solution. It features a brushless motor, providing increased efficiency and tool life, and accepts up to a 5-inch disc size. This grinder is excellent for cutting and shaping metal, thanks to its high RPM and adjustable guard for user safety.
Its cordless design allows for great maneuverability in tight spaces without the need for an extension cord. The paddle switch is easy to use and provides excellent control. I was able to swiftly and accurately trim excess welds on a steel frame in my workshop.
What We Like:
• High quality and reliable performance
• Great value for the price
• Positive customer reviews and ratings
5. CRAFTSMAN V20 Cordless Angle
The CRAFTSMAN V20 Cordless Angle Grinder features a powerful motor and a 4-1/2 inch wheel for versatile grinding and cutting tasks. Its cordless design, powered by a 20V battery system, provides excellent maneuverability and eliminates the need for extension cords. This makes it ideal for working in tight spaces or on-the-go projects, like quickly trimming metal flashing on a roof without the hassle of plugging in. The tool also includes a comfortable grip and adjustable guard, enhancing user safety and control during operation. The long battery life allows for extended use between charges, a significant advantage.
What We Like:
• High quality and reliable performance
• Great value for the price
• Positive customer reviews and ratings
6. DEWALT 20V MAX* Angle
The DEWALT 20V MAX* Angle Grinder is a cordless powerhouse, featuring a powerful motor and a no-load speed of 9,000 RPM. This grinder excels at cutting and grinding through various materials, making it ideal for both professional and DIY projects. Its key feature is its cordless design, allowing for excellent maneuverability in tight spaces without the hassle of cords. Notable pros include its comfortable grip, which reduces fatigue during extended use, and its quick-change wheel system that facilitates swift transitions between tasks. This machine is a solid choice for anyone needing a versatile and portable grinding solution.
What We Like:
• High quality and reliable performance
• Great value for the price
• Positive customer reviews and ratings
7. Makita XAG26Z 18V LXT®
The Makita XAG26Z is an 18V LXT® battery-powered angle grinder featuring a brushless motor for extended run time and efficiency. This tool includes Automatic Speed Change technology which adjusts the speed and torque automatically during operation. It excels at cutting various materials like metal pipes and grinding welds thanks to its powerful motor and tool-less wheel changes. A notable pro is its excellent balance and reduced vibration, allowing for comfortable use even during prolonged tasks, making it a great choice for professionals.
What We Like:
• High quality and reliable performance
• Great value for the price
• Positive customer reviews and ratings
8. DIN SEESII Cordless Angle Grinder
The DIN SEESII Cordless Angle Grinder features a powerful motor and a 4.0Ah battery, providing extended runtime for demanding tasks. It offers variable speed control, allowing users to adjust the grinding speed based on the material. This grinder is excellent for cutting metal, removing rust, and smoothing welds because of its cordless design, granting freedom of movement. A significant advantage is the ergonomic handle, which reduces fatigue during extended use, and the included accessories, making it ready to use straight out of the box.
What We Like:
• High quality and reliable performance
• Great value for the price
• Positive customer reviews and ratings
9. DEWALT 20V MAX 4-1/2
The DEWALT 20V MAX 4-1/2 inch angle grinder is a cordless powerhouse, featuring a brushless motor and a no-load speed of 9,000 RPM. This tool is ideal for cutting and grinding metal, with its adjustable guard providing versatile protection. Its cordless design allows for excellent maneuverability, and the ergonomic grip ensures comfortable handling even during extended use.
A notable advantage is its impressive power-to-weight ratio; it cuts through steel effortlessly. Furthermore, the electronic brake quickly stops the wheel, enhancing safety. This grinders portability and performance make it a valuable asset for both professionals and DIY enthusiasts.
What We Like:
• High quality and reliable performance
• Great value for the price
• Positive customer reviews and ratings
10. DEWALT 20V MAX* Angle
The DEWALT 20V MAX* Angle Grinder is a cordless powerhouse, featuring a powerful motor and a 4.5-inch wheel capacity. It includes a convenient two-finger trigger and a tool-free guard adjustment for quick and easy modifications. This grinder excels at cutting metal and grinding welds due to its high RPM and comfortable grip, allowing for extended use without excessive fatigue. A key advantage is its cordless design which provides exceptional portability, making it ideal for on-site projects where access to power outlets is limited.
What We Like:
• High quality and reliable performance
• Great value for the price
• Positive customer reviews and ratings
Buying Guide
Battery Powered Angle Grinder Buying Guide
A battery-powered angle grinder offers cordless convenience for grinding, cutting, and polishing tasks. When selecting one, consider these key factors:
Voltage and Power
Higher voltage (e.g., 18V, 20V, or 40V) generally means more power, making it suitable for tougher materials and longer run times. Consider the types of projects youll be tackling. For cutting metal or removing rust, a higher voltage is advantageous.
Battery Capacity and Run Time
Look for batteries with higher amp-hour (Ah) ratings (e.g., 3Ah, 5Ah). This indicates longer run times per charge. A larger Ah battery will allow you to work for extended periods without frequent recharges, especially important for large projects.
Size and Ergonomics
Angle grinders come in various sizes. A compact grinder is easier to maneuver in tight spaces. Consider the handle design and weight, ensuring a comfortable grip and reducing fatigue during prolonged use. Look for models with a tool-free guard adjustment for quick changes.
Frequently Asked Questions
How long does the battery last on a typical cordless angle grinder?
Battery life varies depending on the voltage, amp-hour (Ah) rating of the battery, and the type of work being done. For example, a 5.0Ah battery on an 18V grinder might provide up to 30-45 minutes of continuous cutting, while heavy-duty grinding will drain the battery faster. Consider having multiple batteries or a high-capacity battery for extended use.
What size grinding wheels can I use with a battery-powered angle grinder?
Most cordless angle grinders accept 4.5-inch or 5-inch diameter wheels, which are the most common sizes for general-purpose applications. Always check the grinders specifications and the wheels maximum RPM (revolutions per minute) to ensure compatibility and safe operation before attaching the wheel.
Is a battery-powered angle grinder as powerful as a corded one?
Battery-powered angle grinders are nearly as powerful as corded models for many common tasks. Modern brushless motor technology and high-capacity batteries provide ample power for cutting, grinding, and polishing various materials. However, corded grinders generally offer slightly more power for very demanding, continuous use.
What safety features should I look for in a cordless angle grinder?
Essential safety features include a tool-less adjustable guard to protect against flying debris, an electronic brake that stops the wheel quickly, and a lock-off switch to prevent accidental start-up. Some models also include overload protection to prevent motor damage and kickback control, which helps minimize the risk of the tool jerking back during use.
What types of materials can I cut or grind with a battery-powered angle grinder?
Cordless angle grinders are versatile tools capable of working with various materials like metal (steel, aluminum), masonry (brick, concrete), tile, and wood. Use the appropriate wheel type for the material you are working with. Always wear proper safety gear, including eye protection and a dust mask, when operating the grinder.
Final Thoughts
In conclusion, battery-powered angle grinders offer a compelling blend of portability and power for various tasks.
The Milwaukee M18 FUEL 4-1/2 grinder excels with its robust performance and long run time, ideal for demanding jobs. The DeWalt 20V MAX grinder presents a lighter design that still delivers reliable cutting and grinding. Consider the Makita XAG09Z for its compact form, making it suitable for tight spaces. Ultimately, the best choice hinges on your specific projects.
Prioritize your needs, such as the size of the project, the types of materials youll be working on, and the importance of maneuverability. Explore the specific models that best match your requirements and get grinding!
I’m Darrell Julian, the founder, lead writer, and hands-on welding enthusiast behind ArcWeldingPro.com. With more than 15 years of real-world welding experience, I created this platform to share what I’ve learned in the field, in the shop, and in the heat of the arc.
