Best Cordless Angle Grinders 2026: 20V & 60V Picks
The Makita XAG04Z 18V LXT Brushless Angle Grinder wins: the brushless motor delivers more runtime per charge than brushed alternatives, the electric brake stops the disc in seconds for safety, and Makita's LXT battery system shares with 200+ tools. The most recommended cordless angle grinder for metal fabrication, welding prep, and tile work.
See Today’s Price →At a Glance
| # | Product | Award | Price | Score |
|---|---|---|---|---|
| 1 | Best Overall | $119 Buy → |
9.2 | |
| 2 |  Milwaukee 2680-20 M18 18V Lithium…Milwaukee |
Best Milwaukee Pick | $180 Buy → |
8.5 |
| 3 | Best Corded | $130 Buy → |
8.2 |
Cordless Angle Grinders Buying Guide
Photo by Mustafa Alper alper / PexelsCordless angle grinders here run on the Makita 18V LXT platform ($119.44-$270) alongside the corded DEWALT DWE402 ($106). The Makita XAG04Z ($165) is the standard brushless 4-1/2-inch model for grinding welds, cutting metal, and surface prep. The XAG03Z ($187) adds a cut-off guard configuration for more versatile disc use. The XAG20Z ($270.06) is the paddle-switch version preferred by heavy users where a trigger causes hand fatigue. The DEWALT DWE402 ($106) is the corded choice for extended runtime without battery constraints.
Our Top Pick:
How we picked these. We compared 8 cordless angle grinders across disc size, no-load RPM, and battery compatibility, cross-referencing picks with r/metalworking, ToolGuyd, and Popular Mechanics. Products were selected for cutting and grinding performance without cord drag in automotive and fabrication work at each price point.
Makita XAG04Z 18V LXT Brushless 4-1/2"/5" Angle Grinder (Bare Tool) — Makita's best cordless grinder — automatic speed change, electric brake. At $165, it offers the best overall value. See today's price.Best Budget Pick:
DEWALT DWE402 4-1/2-Inch 11-Amp Angle Grinder ($106) — The best corded angle grinder — paddle switch safety, 11-amp power.Best for Best Cut-Off:
Makita XAG03Z 18V LXT Brushless 4-1/2"/5" Cut-Off/Angle Grinder — The XAG03Z is Makita's older brushless grinder — predecessor to the. --- A cordless angle grinder's key specs are voltage (power), disc size (4.5 vs 5 inch), and brushless motor status. 18V platforms (Milwaukee M18, Makita LXT, DeWalt 20V) provide enough power for most metal grinding, tile cutting, and weld cleanup. 4.5-inch discs cover 95% of tasks; 5-inch adds cutting depth but fewer disc options. Brushless motors extend runtime 25–50% vs brushed and eliminate the most common failure point — choose brushless if the budget allows. Common mistakes: Running a grinder without a guard — guards deflect sparks and broken disc fragments away from the operator. Using cutting discs for grinding — grinding discs are thicker and designed for lateral pressure; using them for cuts causes disc explosions. Ignoring disc RPM rating — the disc's max RPM must exceed the grinder's no-load speed. Budget ($80–$100 bare tool): Makita XAG04Z ($165) and XAG03Z ($149) bare tools are compatible with existing 18V LXT batteries — buy bare tool if you already own Makita batteries. Mid-range ($120–$180 with battery): DeWalt DCG413 and Milwaukee M18 FUEL kits include a 5Ah battery for all-day runtime. Premium ($200+): Metabo and Bosch professional-grade grinders with constant-speed electronics under load — essential for automotive body work.Quick Decision:
If budget is the priority, go with the DEWALT DWE402 4-1/2-Inch 11-Amp Angle Grinder; if you want the best overall, choose the Makita XAG04Z 18V LXT Brushless 4-1/2"/5" Angle Grinder (Bare Tool); if you need best cut-off, the Makita XAG03Z 18V LXT Brushless 4-1/2"/5" Cut-Off/Angle Grinder is your pick.Related Guides
Watch:
Best Metal Cutoff Wheel Brand? by Project FarmFor a detailed head-to-head, see our Dewalt Vs Milwaukee Grinder comparison.
For a detailed head-to-head, see our Makita Vs Bosch Angle Grinder comparison.
For a detailed head-to-head, see our Milwaukee Vs Dewalt Angle Grinder comparison.
For a detailed head-to-head, see our Milwaukee Vs Makita Angle Grinder comparison.
“The Makita XAG04Z 18V LXT Brushless Angle Grinder delivers corded-like power without the cord — the brushless motor extends runtime and reduces maintenance.”
See Today’s Price →What we like
- Automatic speed change maintains consistent cutting speed
- Lightest at 4.5 lbs bare
- Electric brake halts disc in ~2 seconds
- Star knob for tool-free disc changes
- Compatible with full Makita LXT ecosystem
Watch out for
- No KICKBACK BRAKE — less safe on binding-prone cuts
- Bare tool only
Read Full Analysis
The Makita XAG04Z is an 18V LXT brushless angle grinder that delivers corded-level cutting and grinding performance through a brushless motor that extends runtime and requires no brush replacements over the tool's lifespan. The bare-tool format assumes you already own Makita 18V LXT batteries and charger. At $165, it's a premium investment in the Makita platform. The 4.7-star rating reflects the reliability of the LXT ecosystem. Best for metalworkers, tile installers, and fabricators already in the Makita platform who want a cordless grinder with no compromise on power.
“Milwaukee M18 4.5-inch angle grinder runs on the M18 battery platform with no-lock safety — a strong cordless alternative to Makita LXT for tradespeople already in the ecosystem.”
See Today’s Price →What we like
- M18 battery platform compatibility
- Adjustable guard for disc angle changes
- Side handle for two-hand control
- Good value for occasional use on M18 platform
Watch out for
- Brushed motor has shorter lifespan than FUEL brushless
- Lower power delivery than 2980-20 FUEL
- Tool only — requires M18 battery
Read Full Analysis
The Makita XAG20Z's defining upgrade over other grinders on this page is the paddle switch safety design. A paddle switch requires active hand grip to maintain power — releasing the paddle during a kickback event, drop, or loss of control immediately cuts power. Side-switch designs stay on until manually toggled off, which creates risk if grip is lost during an aggressive cut. For a tool with significant kickback injury potential, this safety distinction matters. The automatic speed change feature monitors load resistance and adjusts RPM to maintain consistent cutting performance — the motor compensates when the disc engages harder material rather than bogging down, producing more consistent results in variable-density materials like hardwood and structural steel. At 4.8 lbs it is lighter than heavier competing models, reducing fatigue during extended overhead or vertical grinding work. At $270.06, the XAG20Z costs $83 more than the XAG03Z at $187.00 and $164 more than the DEWALT DWE402 corded at $106.00. Versus the XAG03Z, the $83 premium buys paddle switch safety and automatic speed change — both meaningful upgrades. Versus the DEWALT corded model, the XAG20Z costs $164 more for cordless freedom. For beginners and users who prioritize safe operation of a tool with real kickback risk, the XAG20Z's paddle switch is the strongest safety argument in this comparison and worth the premium over the lower-cost Makita.
“The DEWALT DWE402 4-1/2-Inch Corded Angle Grinder never runs out of power — at 11 amps it's a workhorse for sustained grinding and cutting sessions.”
See Today’s Price →What we like
- 11-amp motor delivers 11,000 RPM for heavy-duty cutting and grinding
- Paddle switch cuts power instantly when released
- Anti-vibration side handle reduces fatigue
- Spindle lock for quick disc changes
- Dust ejection system protects motor
Watch out for
- Corded — limits range
- Paddle switch requires some learning vs traditional on/off
Read Full Analysis
The DEWALT DWE402's 11-amp corded motor delivers consistent 11,000 RPM power without battery management — for sustained metalworking sessions, a corded grinder runs indefinitely while cordless tools require battery rotations. The paddle switch cuts power instantly when released — the same safety design found in the Makita XAG20Z at $270.06, but in a $106 corded package. The dust ejection system expels particles away from the motor windings, addressing the primary failure mode of angle grinders used on concrete and masonry where fine abrasive dust enters the motor over time. Anti-vibration side handle reduces operator fatigue during extended grinding runs on steel and concrete. At $106.00 it is $81 less than the Makita XAG03Z and $164 less than the XAG20Z — the lowest-cost paddle-switch grinder in this comparison and the right choice for shop users with outlet access who do not need cordless freedom.
Frequently Asked Questions
What should a beginner look for in a cordless angle grinder?
What battery voltage should a cordless angle grinder have?
Is a brushless angle grinder worth the extra cost?
What safety features should I look for in an angle grinder?
What's the difference between a 4.5" and 5" angle grinder?
How We Analyze Products
We analyze Amazon review data — often thousands of reviews per product — to surface patterns that individual buyers miss. Our process aggregates star ratings, review counts, and buyer sentiment at scale, identifying which strengths and weaknesses appear consistently across the largest review samples available. The 4,036+ reviews analyzed on this page represent real verified-purchase feedback from Amazon buyers.
Each product earned its placement through data: total review volume, average rating, and the specific praise and complaints that repeat most often across buyers. No manufacturer paid for placement on this page. Products appear here because buyers endorsed them at scale, not because a company asked us to feature them.
We use AI to summarize review sentiment — not to fabricate opinions, but to condense what thousands of buyers actually wrote into a readable format. The pros and cons you see reflect the most common themes found in verified purchaser reviews, paraphrased for clarity. We do not claim to have accessed Reddit, YouTube, or specific publications in generating these summaries.
Prices shown reflect Amazon pricing at the time this page was last generated. Click “See Today’s Price” to get the current live price on Amazon. Read our full methodology →