Angle grinder allow you to do things that other power tools just can’t and when you add in the ability to cordless operate you can go places you just couldn’t go before. Battery power adds the versatility into power tools making users much more efficient and allows us to take on various tasks. Perfect for the average DIY enthusiast, cordless angle grinder takes our progress to a whole new level.

There was a time when cordless power tools traded in portability for performance, but this is a thing of the past. Cordless angle grinders perform the same if not better than corded models giving users the same production, but with no limits. When looking for the perfect cordless model, finding that one is harder than it looks which is where we come in.

This review showcases the Best Cordless Angle Grinders in 2019 and detailing the reasons why they’re a can’t miss.

1. Milwaukee 2780-20 M18 Fuel 4-1/2″/5″ Pad Angle Grinder – 9.3

Milwaukee 2780-20 M18 Fuel 4-1/2"/5" Pad Angle Grinder Review



  • Durable product with a high resilient motor
  • Tool-less guards allow adjustments according to what the users want
  • Gearing system provided
  • Thin body design allow safer handling
  • Charger also provided with the tool


  • Can be loud, particularly during persistent use

Milwaukee starts out this review like they have in so many others which is a testament to quality they put into each power tool. This cordless angle grinder is a 4 1/2-inch model which gives you the freedom of having to be plugged in to work. As for performance, its like using a corded model which delivers plenty of power to grind, sand, polish and anything else you have in mind.

The Milwaukee M18 is simple to use, easy to handle and is highly durable. The 5-inch pad gives you plenty of real estate to grind in a time-saving fashion and comes in weighing only 5 pounds. At this weight you’ll be hard-pressed to find a lighter model outperforms the competition.

2. Makita XAG03Z 18V LXT Lithium-Ion Brushless Cordless Cut-Off/Angle Grinder – 8.8

Makita XAG03Z 18V LXT Lithium-Ion Brushless Cordless Cut-Off/Angle Grinder Review



  • Strong and durable
  • Powerful motor
  • Speed can be changed easily
  • Compact size and user friendly
  • Cooling effect for the motor


  • Screws might get loose

Makita makes an appearance in this review with a brushless cordless angle grinder and cut-off model. Powered by an efficient 18volt battery and outperforms other models with a BL Brushless motor that gives you 50% more battery life compared to other models. The operation allows you to be more productive and eliminating the need for carbon brushes you’re getting one efficient operation.

The Makita XAG03Z is a comfortable to use, compact and durable design which will give you years of rigorous use. Highlighted by Automatic Speed Change technology which optimizes performance by automatically adjusting the speed and torque during use.

3. Ryobi P421 6500 RPM 4 1/2 Inch 18-Volt One+ Lithium Ion-Powered Angle Grinder – 8.4

Ryobi P421 6500 RPM 4 1/2 Inch 18-Volt One+ Lithium Ion-Powered Angle Grinder Review



  • Side handle can work in three distinct positions
  • Pin wrench provided to replace grinder discs
  • Rubber grip for the user’s ease
  • Can remove rust from steel
  • Delivers high power


  • Motor may not be able to cut heavy metals

Ryobi continues to deliver affordable power tools and this cordless angle grinder is no exception. Coming in around $50 it’s easiest one of the best bargains in this review and highlighted by an 18-volt cordless operation and extends it use with other Ryobi One+ power tools. This grinder includes a Type 27 grinding wheel which allows you to take on metal grinding projects with ease.

The simple to use and highly affordable Ryobi P421 has become a fan favorite and boasts nearly 100 all-positive Amazon consumer reviews. Keep in mind this is a bare tool model only, so you’ll need a battery, but it does operate on the same One+ batteries used in other Ryobi cordless power tools. Onboard features include a side adjustable handle, pin wrench and comfort grip handle.

4. Milwaukee 0725-21 28-Volt 4-1/2-Inch Lithium-Ion Cordless Grinder – 8.2

Milwaukee 0725-21 28-Volt 4-1/2-Inch Lithium-Ion Cordless Grinder Review



  • Heavy, well-built
  • Quiet operation, soft start is a nice feature
  • Powerful and quality product
  • 5 years warranty


  • Battery life is short
  • Package comes with only one battery

Another Milwaukee cordless angle grinder claims the 4th spot in this review and is a 4 ½-inch model. This tool doubles as a grinder and cut off tool kit powered by a powerful 28volt motor delivering 8000 RPM under no load. Users have raved over its durability and ease of use which makes it perfect for enthusiasts and powerful enough for industrial use.

The Milwaukee O725-21 features overload protection, soft start technology, tool free guard and has a spindle lock allowing you to quickly replace the wheel. Improvements over other models include better gear life thanks to the soft start which also reduces tool kickback.

5. Hitachi G18DSLP4 18-Volt Lithium Ion 4-12 Inch Angle Grinder – 8.1

Hitachi G18DSLP4 18-Volt Lithium Ion 4-12 Inch Angle Grinder Review



  • Easy to use
  • Low weight makes it easy to hold
  • Maximum speed makes work easier
  • Excellent control
  • Cordless tool means no hassle of wires


  • Battery drains out quickly

Capping this review is an Hitachi 18-volt cordless angle grinder which deserves the 8.1 out of 10. Another inexpensive power tool that is backs by the performance of one of the biggest names with this 4 ½-inch grinder that which is powered by a high torque motor powerful enough to take on any application.

This lithium-ion grinder is a bare tool model, so you’ll need to pickup a battery, but the battery is interchangeable with other cordless power tools. Some of the most notable features include a overprotection current circuit, zero voltage safety, brushes that can be accessed externally, slip resistant grip handle.


When looking at the above cordless angle grinders we’ve chosen the models that will give you the most bang for your buck. We fully understand that power tools can get quite expensive, so finding the diamonds in the rough that still perform well and won’t cost a fortune is more important than ever.

If you have anything to add, why not drop us a comment below.