Best Battery Powered Power Grinders of 2026

Harry Stack Avatar
Harry Stack
Last Updated: Jan 30, 2026

* We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.

Battery powered power grinders are a convenient and efficient tool for cutting and grinding various materials such as metal, wood, and concrete. These grinders come equipped with rechargeable batteries, making them a portable option for those who need to work in different locations. The cordless design allows for greater flexibility and freedom of movement, allowing users to work without the constraints of a power cord. Additionally, some models come with adjustable speed settings, giving users more control over the grinding process. Overall, battery powered power grinders are a versatile and practical tool for anyone in need of a reliable grinding solution.

At a Glance: Our Top Picks

Milwaukee 2880-20 M18 FUEL Brushless Lithium-Ion 4-1/2 in. / 5 in. Cordless Small Angle Grinder Cover #TOP 1
Milwaukee 2880-20 M18 FUEL Brushless Lithium-Ion 4-1/2 in. / 5 in. Cordless Small Angle Grinder
ftb score rating icon 9.8
RYOBI PCL445B ONE+ 18V Angle Grinder Cover #TOP 2
RYOBI PCL445B ONE+ 18V Angle Grinder
ftb score rating icon 9.7
Makita 18V LXT Lithium-Ion Brushless Cordless Angle Grinder Cover #TOP 3
Makita 18V LXT Lithium-Ion Brushless Cordless Angle Grinder
ftb score rating icon 9.5

Top 8 Battery Powered Power Grinders

Milwaukee 2880-20 M18 FUEL Brushless Lithium-Ion 4-1/2 in. / 5 in. Cordless Small Angle Grinder

2880-20
Chrome
Large
Milwaukee 2880-20 M18 FUEL Brushless Lithium-Ion 4-1/2 in. / 5 in. Cordless Small Angle Grinder Cover
Milwaukee 2880-20 M18 FUEL Brushless Lithium-Ion 4-1/2 in. / 5 in. Cordless Small Angle Grinder with No-Lock Paddle Switch (Tool Only)

The Milwaukee 2880-20 M18 FUEL Brushless Lithium-Ion 4-1/2 in. / 5 in. Cordless Small Angle Grinder is a powerful and versatile tool designed for comfort and ease-of-use. It features a Paddle Switch Design for increased comfort and ease-of-use when operating in various positions, a Tool-Free Guard Adjustment for faster guard installations and adjustments, and a Tool-Free Accessory Changes with Integrated FIXTEC Nut Technology. It also has an Electronic Clutch for kickback protection and a 5/8 in. - 11 Spindle for use with common grinding accessories.

What We Like
Powerful brushless motor
Excellent portability
Fast auto brake feature
Comfortable and balanced grip
Good safety features
#TOP 2

RYOBI PCL445B ONE+ 18V Angle Grinder

PCL445B
Ryobi Green
PCL445
RYOBI PCL445B ONE+ 18V Angle Grinder Cover
RYOBI PCL445B ONE+ 18V Cordless 4-1/2 in. Angle Grinder (Tool Only)

The RYOBI 18V Angle Grinder is designed to make your grinding tasks easier and more efficient. It features a spindle lock that lets you change accessories quickly without hassle, saving you time on the job. The 3-position side handle offers you better control, allowing you to work comfortably from different angles. Its die-cast metal gear case provides extra durability, so the tool can withstand tough use and last longer. Keep in mind, the battery and charger are sold separately, so you'll need to have those ready to power your grinder.

What We Like
Affordable price
Lightweight and portable
Convenient cordless design
Good for light tasks
Ergonomic handle
#TOP 3

Makita 18V LXT Lithium-Ion Brushless Cordless Angle Grinder

XAG04Z
Grey/Blue
One Size
Makita 18V LXT Lithium-Ion Brushless Cordless Angle Grinder Cover
Makita XAG04Z 18V LXT® Lithium-Ion Brushless Cordless 4-1/2” / 5" Cut-Off/Angle Grinder, Tool Only

The Makita 18V LXT Lithium-Ion Brushless Cordless Angle Grinder delivers corded grinding performance without the cord. It is powered by a Makita Brushless motor for longer run time, increased power and speed, and longer tool life. The grinder is ideal for grinding, cutting and sanding a wide range of materials including tile, concrete, pipe, conduit, and more. It's part of Makita’s expanding 18V Lithium-Ion system, the world’s largest cordless tool system powered by 18V Lithium-Ion slide-style batteries. For improved tool performance and extended battery life, Makita created Star protection Computer controls.

What We Like
Long battery runtime
Strong cutting power
Excellent portability
Great value price
High-quality cutting disks
#TOP 4

VERVEWAVE 4-1/2" Brushless Cordless Angle Grinder for Dewalt 20V

WT8150-12
Ye+black 2
VERVEWAVE 4-1/2" Brushless Cordless Angle Grinder for Dewalt 20V Cover
Angle Grinder 4-1/2" Brushless for Dewalt 20V Battery, 6 Variable Speed Power Grinder, Cordless Angle Grinder Power Tools For Cutting Grinding Polishing (Tool Only)

The VERVEWAVE Cordless Angle Grinder works with Dewalt 20V batteries, so if you already own Dewalt tools, you can easily use your existing batteries and chargers. This means less hassle and better battery management for you. It features an upgraded brushless motor that runs up to 8500 RPM, giving you strong power for cutting, grinding, polishing, and rust removal. You also get six adjustable speeds, allowing you to pick the perfect speed for your task, whether it’s fast cutting or delicate sanding. This grinder gives you flexibility and power in one compact tool.

What We Like
Compatible with Dewalt 20V batteries
Upgraded brushless motor
Six variable speed settings
High RPM for versatile use
#TOP 5

ZFULVO Cordless Mini Angle Grinder Kit

MINI-JIMO01
Grey
ZFULVO Cordless Mini Angle Grinder Kit Cover
ZFULVO Cordless Brush Angle Grinder Kit, 19500rpm Mini Electric Angle Grinding Tool with 2pcs 16.8V 2000mAh Batteries and 5-Cutting Discs, Grinder Handheld Cutter for Metal Wood

The ZFULVO Cordless Grinder offers you a powerful and convenient tool for various cutting and grinding tasks. Its cordless design, powered by a 16.8V 2000mAh lithium battery, frees you from tangled cables and lets you work easily both indoors and outdoors. The grinder runs at a high speed of 19,500 rpm, providing strong and stable power to quickly and efficiently handle metal, wood, and other materials. Designed for comfort, it features a rubberized, non-slip handle and an ergonomic shape that fits well in your hand for easy one-handed use. Plus, its heat-dissipating vents and protective baffle plate help prevent overheating and protect the machine, extending its life.

What We Like
Cordless with high-capacity battery
High-speed 19500rpm motor
Ergonomic non-slip handle
Heat dissipation and debris protection
#TOP 6

AOBEN Cordless Angle Grinder 4-1/2 inch

AT102D-115
AOBEN Cordless Angle Grinder 4-1/2 inch Cover
AOBEN Cordless Angle Grinder 4-1/2 inch, 21V Battery Grinder Kit, Power Electric Cut Off Tool, Brushless Motor, 2x4.0Ah Battery & Charger, for Metal Cutting, Grinding, Polishing

The AOBEN Cordless Angle Grinder is designed to make your projects easier and more efficient. With its brushless motor, you can enjoy longer tool life, greater power, and reduced energy consumption. The three variable speed settings, reaching up to 9500 RPM, allow you to tackle various tasks like grinding, cutting, and polishing with precision. Plus, the included 21V 4.0Ah battery ensures you can work continuously without worrying about cords. The two protective wheel guards enhance safety by shielding you from sparks and debris during operation, making your work environment safer and more comfortable.

What We Like
Long-lasting brushless motor
Three adjustable speed settings
Two powerful battery packs
Enhanced safety features
#TOP 7

Craftsman V20* Angle Grinder CMCG400B

CMCG400B
Black
4-1/2-in.
Craftsman V20* Angle Grinder CMCG400B Cover
CRAFTSMAN V20* Angle Grinder, Small, 4-1/2-Inch, Tool Only (CMCG400B)

The Craftsman Angle Grinder is a high-performance tool designed for aggressive applications. With a powerful motor that delivers up to 8,500 RPM, this grinder can handle tough jobs with ease. The cast metal gear housing helps dissipate heat during extended use, ensuring that the tool stays cool and comfortable to hold. The tool-free guard position offers flexibility for a variety of applications, while the 3-position handle and contoured over-molded handle provide added comfort and control. Battery and charger are sold separately. Whether you're a professional or a DIY enthusiast, the Craftsman Angle Grinder is a versatile and reliable tool that can help you get the job done.

What We Like
High-performance
Dissipates heat
Tool-free guard position
#TOP 8

DEWALT FLEXVOLT ADVANTAGE 20V MAX* Angle Grinder

DCG416B
Multi
One Size
DEWALT FLEXVOLT ADVANTAGE 20V MAX* Angle Grinder Cover
DEWALT FLEXVOLT ADVANTAGE 20V MAX* Angle Grinder, Paddle Switch, 4-1/2-Inch to 5-Inch, Tool Only (DCG416B)

The DEWALT FLEXVOLT ADVANTAGE 20V MAX* Angle Grinder is a powerful tool that offers up to 54% more power when paired with FLEXVOLT batteries. It features a Kickback Brake that engages with maximum force to quickly stop the wheel and shut off the grinder when a bind-up occurs, and an E-CLUTCH that shuts down the motor in under a tenth of a second when a pinch/stall is detected. It is compatible with all DEWALT 20V MAX* and FLEXVOLT Batteries, and is Tool Connect Chip Ready with a pocket that accepts Tool Connect Chip DCE042.

What We Like
Powerful performance
Safety shutoff feature
Versatile wheel size options
Lightweight and easy to handle
Compatible with existing 20v batteries
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What is the best cordless angle grinder to buy?

DEWALT MAX Angle Cordless Grinder Tool Our topmost pick is this angle cordless grinder tool, which comes with a powerful and high-performance 850 MWO brushless motor. Not only does it offer a quiet and smooth performance, but its brushless feature also eliminates the need for brush changes.

2. What should I look for in a cordless angle grinder?

Angle Grinder Features Comparison. Tool-less Locking Nut.LED Light.Multiple Disc Sizes.Variable Speed.Tool-less Guard.Battery Gauge – On tool gauge for better visibility during use.Bluetooth Connectivity – Remote Dust Control, Tool Customization, Tool Crib Features.Electronic Clutch.

3. How long do battery angle grinders last?

What's the difference between a cordless and electric grinder?DEWALT 20V MAX DCG412Makita 18V LXT Brushless Lithium-Ion Cordless Angle Grinder XAGEsmeriladora Angular 4 -1/2 De 20v Inalambrica BauerDEWALT 20-Volt MAX Cordless 4-1/2 in. to 5 in. Grinder with 20-Volt BatteryDeWalt 18VRidgid 18-Volt Octane Cordless Brushless 4-1/2 in. Angle GrinderMilwaukee 2680-22 M18 4-1/2" Cordless Cut-off/Grinder KitHyper Tough 20v Lithium-ion Angle GrinderRYOBI ONE+Festool AGC 18-125Bauer 20V Brushless Cordless 4-1/2 in. Slide Switch Angle GrinderMilwaukee M12 Fuel 12-Volt Lithium-Ion Brushless Cordless 1/4 in. Right Angle Die Grinder with M12 2.0 Ah BatteryWorx WX812L Angle Grinder with Brushless MotorCostway IRONMAX 20V Cordless Angle Grinder 4-1/2'' 9000RPM w/ 4.0Ah Lithium-Ion Battery & ChargerDEWALT FLEXVOLT ADVANTAGE 20V MAX Angle Grinder Paddle Switch DCG416BMilwaukee M12Dewalt 20V MAX Angle Grinder DCG413BHart 20-Volt Cordless 4 1/2-inch Angle Grinder Kit 20-Volt 4.0Ah Lithium-Ion BatteryBlack & Decker BCG720N-XJ

Editor's Notes

During our battery powered power grinder research, we found 24 battery powered power grinder products and shortlisted 8 quality products. We collected and analyzed 64,594 customer reviews through our big data system to write the battery powered power grinders list. We found that most customers choose battery powered power grinders with an average price of $98.45.

The battery powered power grinders are available for purchase. We have researched hundreds of brands and picked the top brands of battery powered power grinders, including Milwaukee, RYOBI, Makita, VERVEWAVE, ZFULVO. The seller of top 1 product has received honest feedback from 146 consumers with an average rating of 4.9.

Written by
Harry Stack Avatar

Harry Stack owns a small hardware store, his career landed him a depth of knowledge in categories such as tools, equipment, machinery and hardware. In his spare time, he usually repairs furniture, safes and appliances, and he knows how to make simple repairs to plumbing or electrical fixtures. His hobbies also include woodworking and fishing.