{"product_id":"21v-cordless-angle-grinder-compatible-with-dewalt-20v-batteries","title":"21V Cordless Angle Grinder Compatible with DeWalt 20V Batteries","description":"\u003cp\u003eIn this review the 21V Cordless Angle Grinder is evaluated for DIYers and contractors who need a portable, battery-powered grinder that accepts DeWalt 20V MAX batteries. The bottom line: it is a practical tool-only option for users who already own compatible DeWalt batteries and want a lightweight, brushless grinder with up to \u003cstrong\u003e8000 RPM\u003c\/strong\u003e performance. The review covers usability, safety features, and real-world strengths so you can decide whether buying the bare tool makes sense for your workshop.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeWalt 20V compatibility:\u003c\/strong\u003e Accepts DeWalt 20V MAX batteries so owners of those batteries can save money and avoid extra chargers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrushless motor:\u003c\/strong\u003e The brushless design delivers up to 8000 RPM for consistent cutting and grinding while reducing energy loss and motor wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpindle lock:\u003c\/strong\u003e A spindle lock lets you change the 4-1\/2 in wheel quickly, keeping downtime low on jobsite tasks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable handle:\u003c\/strong\u003e The handle can be moved to suit left-handed or right-handed users, improving control and comfort during extended use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtective cover:\u003c\/strong\u003e A metal shield contains sparks and debris to improve safety when cutting metal or removing coatings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis grinder is best for homeowners, hobbyists, and trade professionals who already own or plan to use DeWalt 20V MAX batteries and want to add a brushless angle grinder to their kit without buying a battery system. It suits tasks like metal cutting, surface preparation, tile and stone work, and light concrete grinding where portability matters.\u003c\/p\u003e\n\u003cp\u003eIt is not the right purchase for buyers who need a complete cordless system out of the box, since the product is tool only and requires a separate battery. Users needing heavy industrial continuous-duty grinding should consider corded or higher-capacity battery models instead.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWorks with DeWalt 20V batteries so it integrates with an existing battery ecosystem.\u003c\/li\u003e\n\u003cli\u003eThe \u003cstrong\u003ebrushless motor\u003c\/strong\u003e delivers strong performance up to 8000 RPM and tends to run cooler and quieter than brushed alternatives.\u003c\/li\u003e\n\u003cli\u003eUser-focused features like spindle lock and adjustable handle make wheel changes and handling straightforward.\u003c\/li\u003e\n\u003cli\u003eThe included 3 PCS 4-1\/2 in blades offer immediate versatility for cutting, grinding, and polishing tasks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBattery is not included, so total cost depends on already owning compatible DeWalt 20V batteries; some customers noted mixed experiences around battery life when using different packs.\u003c\/li\u003e\n\u003cli\u003eAs a compact cordless grinder it may not match the runtime or continuous-duty capacity of larger professional corded grinders.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003eCordless angle grinder (tool only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery compatibility\u003c\/td\u003e\n\u003ctd\u003eDeWalt 20V MAX batteries (not included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor\u003c\/td\u003e\n\u003ctd\u003eBrushless motor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum speed\u003c\/td\u003e\n\u003ctd\u003eUp to 8000 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc size\u003c\/td\u003e\n\u003ctd\u003e4-1\/2 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded accessories\u003c\/td\u003e\n\u003ctd\u003e3 PCS 4-1\/2 in blades\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety features\u003c\/td\u003e\n\u003ctd\u003eProtective cover\/shield, cordless design to avoid cords\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe 21V Cordless Angle Grinder is a smart buy for users who already own DeWalt 20V batteries and want a compact, \u003cstrong\u003ebrushless\u003c\/strong\u003e grinder that balances power and portability. It offers good value as a tool-only option with useful safety and handling features, though buyers should factor in the need for a compatible battery if they do not already have one.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this grinder come with a battery?\u003c\/strong\u003e\u003cbr\u003eNo, the product is sold as a tool only and requires DeWalt 20V MAX batteries which are not included.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat disc size does it use?\u003c\/strong\u003e\u003cbr\u003eIt uses standard 4-1\/2 in discs; three 4-1\/2 in blades are included for cutting, grinding, and polishing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the motor brushless and why does that matter?\u003c\/strong\u003e\u003cbr\u003eYes, the brushless motor provides up to 8000 RPM, longer motor life, reduced energy loss, and typically lower noise during operation.\u003c\/p\u003e","brand":"Retek","offers":[{"title":"Default Title","offer_id":48190216601819,"sku":"B0DBLKQ2Y8","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/718FliLllqL._AC_SL1500.jpg?v=1769652206","url":"https:\/\/gearmusthave.com\/products\/21v-cordless-angle-grinder-compatible-with-dewalt-20v-batteries","provider":"GearMustHave","version":"1.0","type":"link"}