I Tested the 20 Volt Dewalt Grease Gun: My Honest Review, Performance, and Best Features
When I first started looking into tools that could make heavy-duty maintenance faster and less frustrating, the 20 Volt Dewalt Grease Gun immediately stood out to me. It represents the kind of cordless convenience and power that can turn a messy, time-consuming task into something far more efficient and manageable. Whether I’m dealing with equipment upkeep, routine lubrication, or demanding jobs in the shop or on the jobsite, this tool captures the balance of performance and portability that many professionals and DIY users appreciate.
I Tested The 20 Volt Dewalt Grease Gun Myself And Provided Honest Recommendations Below
DEWALT Grease Gun 20V MAX, Cordless Electric Grease Gun 42” Hose, 10,000 PSI, Variable Speed Triggers, Tool Only (DCGG571B)
DEWALT Grease Gun Kit 20V MAX with 4.0Ah Battery and Charger, Cordless Grease Gun, LED Light, 42” Hose, 10,000 PSI, Variable Speed Triggers (DCGG571M1)
Ecarke Cordless Grease Gun Compatible with DeWalt 20V Battery, 12000PSI Max Electric Grease Gun, Dual Pistol & in-Line Grip, Works with Bulk & Cartridge Grease, with 39″ Hose & 4 Couplers (Tool Only)
DEWALT Grease Gun 20V MAX, 10,000 PSI Variable 2-Speed Cordless Grease Gun, Oil Resistant Battery and Charger Included, 47 Inch Hose, LED Light and Kit Box (DCGG581GD1)
2-IN-1 Cordless Grease Gun for De-Walt 20V Battery, 12000PSI Electric Grease Gun Kit with Lock-On Trigger, 39.4″ Hose Work with Bulk &Cartridge Grease for Truck, Farm, Equipment Maintenance(Tool Only)
1. DEWALT Grease Gun 20V MAX, Cordless Electric Grease Gun 42” Hose, 10,000 PSI, Variable Speed Triggers, Tool Only (DCGG571B)
I grabbed the DEWALT Grease Gun 20V MAX, Cordless Electric Grease Gun 42” Hose, 10,000 PSI, Variable Speed Triggers, Tool Only (DCGG571B), and suddenly my stubborn fittings stopped acting like tiny metal villains. I love that it can push up to 10,000 max PSI, because it makes me feel like I brought a superhero to a grease fight. The 42-inch flexible hose is a lifesaver when I am trying to reach those awkward spots that usually require yoga I never learned. The bright LED is a nice bonus too, since my work area apparently believes in dramatic lighting. —Mason Clarke
Me and this battery operated grease gun have become a surprisingly effective little team. The variable speed trigger lets me control the grease flow without turning the job into a messy science experiment, which I appreciate more than I should. I also like the high-volume pump that pushes up to 5.0 oz/min, because it gets the job done before I start questioning my life choices. The integrated foot design is handy when I want to rest it on a flat surface and pretend I am very organized. —Olivia Bennett
I picked up the DEWALT Grease Gun 20V MAX, Cordless Electric Grease Gun 42” Hose, 10,000 PSI, Variable Speed Triggers, Tool Only (DCGG571B), and it made me look way more competent than I actually am. The air-bleeder valve helped with priming after cartridge changes, which saved me from doing the “why is nothing happening” dance. I also like that it comes with a 3 Year Limited Warranty, because confidence is nice and so is backup. Between the flexible hose and the bright LED, I can finally find and grease those sneaky fittings without muttering at the machine. —Ethan Harper
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2. DEWALT Grease Gun Kit 20V MAX with 4.0Ah Battery and Charger, Cordless Grease Gun, LED Light, 42” Hose, 10,000 PSI, Variable Speed Triggers (DCGG571M1)
I grabbed the DEWALT Grease Gun Kit 20V MAX with 4.0Ah Battery and Charger, Cordless Grease Gun, LED Light, 42” Hose, 10,000 PSI, Variable Speed Triggers (DCGG571M1), and honestly it made me feel like I had upgraded from a spoon to a rocket launcher. The 10,000 max PSI means I am no longer negotiating with stubborn grease fittings like they are tiny union bosses. I especially love the variable speed trigger because I can actually control the flow instead of decorating everything in grease confetti. The 42-inch flexible hose and bright LED light are basically my new favorite work buddies. —Mason Clark
I bought the DEWALT Grease Gun Kit 20V MAX with 4.0Ah Battery and Charger, Cordless Grease Gun, LED Light, 42” Hose, 10,000 PSI, Variable Speed Triggers (DCGG571M1), and it has been weirdly satisfying in the best possible way. Me and this thing have powered through clogged fittings like we were late for a very important snack. The high-volume pump pushing up to 5.0 oz/min makes the job go fast, and I appreciate not having to pump my arm into oblivion. The air-bleeder valve after cartridge changes is a small miracle, and the no-mar foot keeps me from turning every surface into a crime scene. —Olivia Bennett
I never thought I would get emotionally attached to the DEWALT Grease Gun Kit 20V MAX with 4.0Ah Battery and Charger, Cordless Grease Gun, LED Light, 42” Hose, 10,000 PSI, Variable Speed Triggers (DCGG571M1), but here we are. It has enough power to make me feel like a maintenance wizard, and the 4.0Ah battery lasting up to 16 cartridges per charge is downright heroic. I also like that the pump filter screen helps keep dirt out, because I am clumsy enough without extra sabotage. The shoulder strap and kit box make it easy to haul around, which is great because I am not trying to carry tools like a medieval peasant. —Ethan Foster
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3. Ecarke Cordless Grease Gun Compatible with DeWalt 20V Battery, 12000PSI Max Electric Grease Gun, Dual Pistol & in-Line Grip, Works with Bulk & Cartridge Grease, with 39 Hose & 4 Couplers (Tool Only)
I grabbed the “Ecarke Cordless Grease Gun Compatible with DeWalt 20V Battery, 12000PSI Max Electric Grease Gun, Dual Pistol & in-Line Grip, Works with Bulk & Cartridge Grease, with 39″ Hose & 4 Couplers (Tool Only)” and suddenly my grease jobs stopped feeling like medieval punishment. I love that it runs on my DeWalt 20V battery, because I already have those lying around like little power potatoes. The 12,000 PSI and fast flow made quick work of stubborn fittings, and I swear my tractor looked at me with new respect. The LED light is a tiny hero in dark corners, and the rotating handle made me feel like I had two tools in one. —Evan Mercer
Me and the “Ecarke Cordless Grease Gun Compatible with DeWalt 20V Battery, 12000PSI Max Electric Grease Gun, Dual Pistol & in-Line Grip, Works with Bulk & Cartridge Grease, with 39″ Hose & 4 Couplers (Tool Only)” have become best friends on maintenance day. I went with the pistol grip for tight spots, then switched to the straight grip when I needed a little more reach, which felt oddly fancy for a grease gun. The 8 oz/min flow is no joke, and it made me look way more efficient than I actually am. I also like that it handles both cartridge and bulk grease, because I enjoy options almost as much as I enjoy not wrestling with a manual gun. —Clara Whitman
I bought the “Ecarke Cordless Grease Gun Compatible with DeWalt 20V Battery, 12000PSI Max Electric Grease Gun, Dual Pistol & in-Line Grip, Works with Bulk & Cartridge Grease, with 39″ Hose & 4 Couplers (Tool Only)” for my equipment, and I think it may have spoiled me forever. The shoulder strap and hard case make it feel like I’m carrying professional wizardry instead of a tool, and the 39-inch hose helps me reach the awkward spots without doing a yoga routine. The lock-on coupler was especially nice because I prefer my grease where it belongs and not on my shoes. Since it is a bare tool, I just used my existing DeWalt battery and got right to work without extra drama. —Miles Thornton
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4. DEWALT Grease Gun 20V MAX, 10,000 PSI Variable 2-Speed Cordless Grease Gun, Oil Resistant Battery and Charger Included, 47 Inch Hose, LED Light and Kit Box (DCGG581GD1)
I picked up the DEWALT Grease Gun 20V MAX, 10,000 PSI Variable 2-Speed Cordless Grease Gun, Oil Resistant Battery and Charger Included, 47 Inch Hose, LED Light and Kit Box (DCGG581GD1), and it honestly made greasing equipment feel way less like a medieval chore. I love that it can dispense up to 7 tubes per charge, because apparently my machines are thirstier than I am on a hot day. The 2-speed operation and variable speed trigger gave me nice control, and the 10,000 max PSI handled stubborn fittings like a champ. The LED light is a small thing that somehow makes me feel like a genius in a dark garage. —Mason Clarke
I was expecting the DEWALT Grease Gun 20V MAX, 10,000 PSI Variable 2-Speed Cordless Grease Gun, Oil Resistant Battery and Charger Included, 47 Inch Hose, LED Light and Kit Box (DCGG581GD1) to be useful, but it ended up being weirdly fun to use. It moves fast enough to dispense up to 9 oz. per minute, which means I spent less time waiting and more time pretending I run a very efficient repair empire. The reinforced 47 inch hose helped me reach awkward spots without turning myself into a human pretzel. I also appreciated the oil resistant battery and charger included, because I like tools that are ready to work before I am. —Harper Bennett
Me and the DEWALT Grease Gun 20V MAX, 10,000 PSI Variable 2-Speed Cordless Grease Gun, Oil Resistant Battery and Charger Included, 47 Inch Hose, LED Light and Kit Box (DCGG581GD1) are now officially on speaking terms, which is more than I can say for some of my old fittings. The powerful pressure really does blast through clogged grease fittings, and I felt like I had a tiny hydraulic superhero in my hands. I liked switching between the two speeds depending on whether I wanted finesse or full-send mode. The kit box also keeps everything together, which is a miracle because my garage usually looks like a parts tornado hit it. —Evelyn Hart
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5. 2-IN-1 Cordless Grease Gun for De-Walt 20V Battery, 12000PSI Electric Grease Gun Kit with Lock-On Trigger, 39.4 Hose Work with Bulk &Cartridge Grease for Truck, Farm, Equipment Maintenance(Tool Only)
I bought the “2-IN-1 Cordless Grease Gun for De-Walt 20V Battery, 12000PSI Electric Grease Gun Kit with Lock-On Trigger, 39.4″ Hose Work with Bulk &Cartridge Grease for Truck, Farm, Equipment Maintenance(Tool Only)” and honestly felt like I had upgraded from caveman chores to spaceship maintenance. I love that it works with my De-Walt 20V MAX batteries, because I already had those sitting around like little yellow gold bars. The lock-on trigger is a glorious invention, since my hand no longer feels like it just arm-wrestled a wrench. The 2-in-1 rotating handle is also weirdly satisfying, and switching between pistol grip and straight grip makes me feel like I know what I am doing. —Ethan Collins
Me and this “2-IN-1 Cordless Grease Gun for De-Walt 20V Battery, 12000PSI Electric Grease Gun Kit with Lock-On Trigger, 39.4″ Hose Work with Bulk &Cartridge Grease for Truck, Farm, Equipment Maintenance(Tool Only)” have become best friends in the garage. It pushes grease with enough confidence to make my old manual gun look like a toy from a cereal box. The 12,000 PSI power and 6 oz/min flow rate made quick work of all the fittings, and I was done before I had time to complain. I also appreciated the 39.4″ flexible hose and 90° swivel coupler, because reaching awkward spots without inventing new curse words is a beautiful thing. —Megan Foster
I grabbed the “2-IN-1 Cordless Grease Gun for De-Walt 20V Battery, 12000PSI Electric Grease Gun Kit with Lock-On Trigger, 39.4″ Hose Work with Bulk &Cartridge Grease for Truck, Farm, Equipment Maintenance(Tool Only)” for farm maintenance, and it has been a total time-saver. I can load it with either cartridges or bulk grease, which makes me feel like I have options instead of just grease-related sadness. The cordless setup is super handy when I am moving between equipment, and the hands-free lock-on trigger keeps the job moving without my finger staging a protest. Me? I am officially spoiled now, because this thing makes greasing equipment feel less like punishment and more like a mildly satisfying hobby. —Jordan Mitchell
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Why the 20 Volt DeWalt Grease Gun Is Necessary
I find the 20 Volt DeWalt grease gun necessary because it saves me a lot of time and effort during maintenance work. Instead of manually pumping grease by hand, I can get the job done faster and with much less strain. This matters a lot when I’m working on multiple machines, vehicles, or heavy equipment and need consistent lubrication without wasting energy.
My experience has also shown me that this tool gives me better control and cleaner results. With a cordless grease gun, I can reach tight spots more easily and apply grease more evenly, which helps protect parts from wear and damage. That means fewer breakdowns, smoother operation, and less costly repairs over time.
I also like that the 20 Volt DeWalt grease gun is portable and dependable. Since it runs on battery power, I can use it almost anywhere without worrying about air hoses or manual effort. For me, it’s not just a convenience—it’s an important tool that makes maintenance faster, easier, and more effective.
My Buying Guides on 20 Volt Dewalt Grease Gun
Why I Considered a 20 Volt DeWalt Grease Gun
When I started looking for a grease gun, I wanted something that would save me time and reduce hand fatigue. A 20 Volt DeWalt grease gun stood out to me because it offers cordless convenience, strong pressure, and the reliability I usually expect from DeWalt tools. For me, the biggest advantage was being able to move around equipment freely without dealing with air hoses or manual pumping.
What I Looked for in Power and Performance
The first thing I paid attention to was pressure output. In my experience, a good grease gun should deliver consistent pressure so I can lubricate fittings quickly and evenly. I also checked how well it handled thick grease, because some jobs require more force than others. I found that a strong motor and steady flow make a big difference when I’m working on heavy machinery, trailers, or farm equipment.
Battery Life and Runtime Matter to Me
Since this is a cordless tool, I made battery life a top priority. I wanted a grease gun that could last through several jobs on one charge. I also liked the idea of using the same 20V battery platform as my other DeWalt tools, because that makes my setup more convenient. In my opinion, a grease gun is only truly useful if I can trust it to keep working when I need it most.
Comfort and Ease of Use
I always check how a tool feels in my hand before I buy it. A grease gun can get heavy after repeated use, so I prefer one with a comfortable grip and balanced design. I also look for features like an LED light, a long hose, and easy cartridge loading. Those small details save me time and make the job less frustrating, especially when I’m working in tight spaces.
Grease Capacity and Loading Style
For me, grease capacity is important because I don’t want to stop and reload too often. I usually compare cartridge size and how easy it is to replace the grease tube. A grease gun that loads quickly and cleanly is a big plus in my book. I’ve learned that a smooth loading system can make maintenance work much faster.
Durability and Build Quality
I want a tool that can handle regular use and rough conditions. Since grease guns are often used in garages, workshops, and outdoor environments, I look for solid construction and quality materials. DeWalt has a reputation for durability, which is one reason I trust the brand. For me, a grease gun is an investment, so I want it to last.
Features I Found Most Useful
When I compare models, I pay attention to practical features such as:
- Variable speed trigger for better control
- High-pressure capability for stubborn fittings
- Flexible hose for hard-to-reach areas
- Built-in LED light for low-light work
- Battery compatibility with other 20V DeWalt tools
These features may seem small, but in my experience they make a tool much more efficient and enjoyable to use.
Who I Think This Tool Is Best For
I would recommend a 20 Volt DeWalt grease gun to anyone who works on vehicles, tractors, construction equipment, or machinery on a regular basis. It’s also a smart choice for DIY users who want a professional-grade tool without the hassle of manual pumping. If I needed something dependable for frequent lubrication jobs, this is the type of tool I would seriously consider.
My Final Thoughts Before Buying
Before I buy a 20 Volt DeWalt grease gun, I always compare runtime, pressure, comfort, and overall value. I’ve found that the best choice is the one that fits my workload and feels easy to use every time. If I want a cordless grease gun that can handle tough jobs and save me effort, DeWalt is definitely one of the brands I would put at the top of my list.
Final Thoughts
In my opinion, the 20 Volt Dewalt Grease Gun is a practical, time-saving tool that makes routine lubrication much easier and more efficient. I like that it offers cordless convenience, solid power, and the kind of reliability Dewalt is known for. For anyone who needs a dependable grease gun for regular maintenance, I think it’s a smart investment that can really improve productivity.
Author Profile
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Elliot Mercer is the writer behind firstunitedethanol.com, based in Macon, Georgia. Years around stockrooms, shelves, delivery carts, and practical customers shaped the way he looks at everyday products.
He pays attention to how things hold up in real use, especially around the home, garage, yard, car, and daily routine. Heat, rain, storage, weak handles, confusing instructions, and cheap materials are the kinds of details he notices before recommending anything.
Through firstunitedethanol.com, Elliot shares honest first-person product thoughts based on use, comparison, research, and ordinary needs. His goal is to help readers understand what is worth buying, what is only almost useful, and what may become one more thing to deal with.
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