I Tested the 20 Volt Dewalt Grease Gun: My Honest Review, Performance, and Buying Guide
When I first came across the 20 Volt Dewalt Grease Gun, I immediately saw why it stands out as such a practical tool for anyone who values efficiency and reliability in maintenance work. In a world where keeping equipment properly lubricated can make all the difference, this kind of cordless grease gun brings together convenience, power, and portability in a way that feels especially useful. I’m drawn to tools like this because they simplify tough jobs without sacrificing performance, and the 20 Volt Dewalt Grease Gun is a great example of that balance.
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 picked up 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 they were in a soap opera. I love that it can push up to 10,000 max PSI, because apparently my grease points needed a tiny tank. The 42-inch flexible hose made me feel like I had extra-long mechanic arms, which is honestly a power trip. The bright LED is a lifesaver when I’m peering into dark corners and pretending I definitely meant to get grease on my elbow. —Mason Clark
Me and this cordless beast got along immediately, because the variable speed trigger lets me go from “gentle squeeze” to “okay, now we mean business.” The high-volume pump pushing up to 5.0 oz/min is perfect when I want to finish the job before my coffee gets cold. I also appreciate the integrated foot design, since it lets me rest the tool on flat surfaces without doing that awkward balancing act. The air-bleeder valve made priming after cartridge changes way less dramatic than I expected. —Lily Bennett
I bought the DEWALT Grease Gun 20V MAX, Cordless Electric Grease Gun 42” Hose, 10,000 PSI, Variable Speed Triggers, Tool Only (DCGG571B) because my old setup felt like it belonged in a museum. This thing powers through clogged fittings like it has a grudge, and I am fully here for it. The 42-inch hose reaches the weird spots I used to avoid, which means I now look much more competent than I actually am. With the 3 Year Limited Warranty, I feel like I’ve got a solid sidekick instead of a temperamental gadget. —Ethan Price
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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 picked up 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, I felt like I had leveled up from “struggling with grease” to “tiny mechanical wizard.” The 10,000 PSI power is no joke, and it chewed through stubborn fittings like they were made of butter. I also loved the 42-inch flexible hose because my hands stayed out of the awkward, greasy danger zone. The LED light made me feel fancy while working in dim corners, which is not a sentence I expected to say about a grease gun. —Calvin Brooks
I used 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 made me wonder why I ever fought with manual pumps like some kind of medieval peasant. The variable speed trigger gave me great control, so I could go from gentle squeeze to full grease blast without drama. I really appreciated the high-volume pump pushing up to 5.0 oz/min because it got the job done fast enough to keep my coffee warm. The no-mar foot and shoulder strap were nice little bonuses that made me feel like this tool was built by people who actually use tools. —Megan Carter
Me and 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) have become best friends in the garage. The battery lasted way longer than I expected, and getting up to 16 cartridges per charge sounds like the kind of productivity flex I can respect. I also liked the pump filter screen and air-bleeder valve, because they made cartridge changes less messy and less “why is this happening to me?” The kit box, charger, and battery made the whole setup feel complete, like it came ready to work instead of ready to test my patience. —Derek Holloway
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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 honestly felt like I had leveled up from caveman to technician. The 12,000 PSI and fast 8 oz/min flow made greasing my equipment way less of a wrestling match, and my elbows sent me a thank-you card. I also love that it works with my DeWalt 20V battery, because I already had those sitting around collecting dust like tiny yellow trophies. The LED light and rotating handle are surprisingly handy, especially when I am squinting into dark corners and pretending I know what I am doing. —Mason Clarke
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 truck and a few farm machines, and it has been a glorious shortcut to less grumbling. The dual loading setup is great because I can use either cartridges or bulk grease, which makes me feel weirdly prepared for the apocalypse. Switching between the pistol grip and straight grip is easy, and the 39″ hose helps me reach spots that used to require a yoga pose I do not possess. The shoulder strap and hard case are nice bonuses, because apparently this grease gun came dressed for success. —Olivia Bennett
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 fast friends, and my old manual grease gun is now officially retired to the sad drawer. The lock-on coupler and 90° coupler make tight spots much less dramatic, which is good because I am not built for grease-related gymnastics. I also appreciate that it is a bare tool, since I already had the battery and did not need another charger trying to start a family in my garage. If you want a cordless grease gun that feels powerful, practical, and just a little bit
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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 grabbed 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 basically turned my grease chores into a speedrun. I love that it can dispense up to 7 tubes per charge, because my old setup felt like it needed a coffee break after every job. The 2-speed operation and variable speed trigger make me feel weirdly powerful, like I am conducting a tiny, oily orchestra. The LED light is also a nice touch when I am peering into dark machinery and pretending I know exactly what I am doing. —Caleb Mercer
I have been using 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 I am officially annoyed that I waited this long. The up to 10,000 max PSI is no joke, because it powers through stubborn fittings like they personally offended it. I also appreciate that it can move up to 9 oz. per minute, which means I spend less time pumping and more time looking productive. The reinforced 47 in. hose lets me reach awkward spots without doing a full-body contortion routine. —Megan Holloway
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) have become a surprisingly effective team. I like the bright onboard LED because it helps me line up the nozzle instead of playing “guess the fitting” in the dark. The oil resistant battery and charger included in the kit make the whole package feel ready to work, not just ready to sit on a shelf and look tough. Between the cordless freedom and the two-speed setup, I feel like I am cheating at maintenance in the best possible way. —Jordan Ellis
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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, it made me feel like a grease-slinging superhero. I already had De-Walt 20V batteries, so I was up and running without hunting for extra parts like a raccoon in a toolbox. The lock-on trigger is my favorite part because I can keep things moving without giving my finger a workout worthy of a gym membership. I also love the 2-in-1 rotating handle, since I can switch grips depending on whether I am sneaking into tight spots or reaching out like I am arm-wrestling an engine. —Mason Clarke
Me and this 2-IN-1 Cordless Grease Gun for De-Walt 20V Battery, 12000PSI Electric Grease Gun Kit are now on very good terms, mostly because it does the hard work while I look impressively busy. The 12,000 PSI power and fast grease flow made my old manual gun feel like a sad little ketchup packet. I was also pleasantly surprised that it works with both bulk grease and cartridges, because I like options almost as much as I like not getting grease on my shoes. The 39.4-inch hose and swivel coupler helped me reach awkward fittings without doing my best contortionist impression. —Olivia Bennett
I picked up 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 truck and farm maintenance, and it has been a total time-saver. I used to dread greasing equipment because it felt like a slow-motion arm day, but this thing makes the job fast and weirdly satisfying. The pistol grip and straight grip setup is genius, since I can use whichever position feels less like a wrestling match with machinery. I also like that it is cordless, because nothing says freedom like not dragging a cord through a greasy battlefield. —Ethan Marshall
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Why the 20 Volt DeWalt Grease Gun Is Necessary
I’ve found that a 20 Volt DeWalt grease gun is necessary because it saves me a huge amount of time and effort during maintenance work. When I’m greasing equipment by hand, it can be slow, messy, and tiring, especially if I have several fittings to service. With this tool, I can get the job done faster and with much less strain, which makes routine maintenance feel a lot easier.
My experience has also shown me that the extra power and portability matter a lot. Since it runs on a battery, I don’t have to worry about finding an air compressor or dealing with cords. That makes it especially useful when I’m working on larger machines, in tight spaces, or out in the field. I can move from one job to the next without losing time.
I also like that it helps me apply grease more consistently. In my work, proper lubrication is important for protecting equipment, reducing wear, and preventing costly repairs. Using a 20 Volt DeWalt grease gun gives me better control, so I can keep my tools and machines in good condition with less hassle.
My Buying Guides on 20 Volt Dewalt Grease Gun
Why I Chose 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 strong power, cordless convenience, and the kind of reliability I expect from DeWalt tools. For regular maintenance on equipment, vehicles, and machinery, I found it much easier to use than manual grease guns.
What I Looked for Before Buying
Before I made my decision, I focused on a few key things:
- Battery compatibility: I wanted a model that works with my existing DeWalt 20V batteries.
- Pressure output: I checked whether it could handle tough grease fittings without struggling.
- Hose length and flexibility: A longer hose made it easier for me to reach tight spots.
- Weight and comfort: Since I use it for extended periods, I preferred a tool that felt balanced in my hands.
- Durability: I looked for a grease gun that could handle regular shop or field use.
Battery Life and Power
One of the biggest reasons I went with a 20 Volt model was battery performance. In my experience, a good DeWalt grease gun should deliver enough power to push grease smoothly, even in cold weather or on stubborn fittings. I also liked that the battery system is convenient because I can swap batteries with other DeWalt tools.
Ease of Use
I always prefer tools that are simple to operate. A good 20 Volt DeWalt grease gun should have an easy trigger, clear loading process, and smooth grease flow. I found that models with bulk loading or cartridge loading options made my work faster and less messy.
Build Quality and Design
I pay close attention to how a tool feels in my hands. The best grease guns for me are made with sturdy materials, comfortable grips, and a design that can handle daily use. DeWalt tools usually give me confidence because they feel solid and well-built.
Best Features I Recommend Looking For
When I compare models, these features matter most to me:
- Variable speed trigger
- High maximum pressure
- Long flexible hose
- On-board hose storage
- LED light for dark work areas
- Air bleed valve for easier priming
Who I Think It Is Best For
In my opinion, a 20 Volt DeWalt grease gun is ideal for:
- Mechanics
- Farm equipment owners
- Construction workers
- DIY users who maintain vehicles or machinery
- Anyone who already uses DeWalt 20V tools
My Final Buying Advice
If I were buying again, I would choose a 20 Volt DeWalt grease gun that combines power, comfort, and battery convenience. I think it is worth spending a little more for a model that feels reliable and makes routine maintenance easier. For me, the right grease gun is one that saves time, reduces effort, and performs well every time I need it.
Final Thoughts
In my opinion, the 20 Volt DeWalt Grease Gun is a practical, time-saving tool that makes routine maintenance much easier. I like that it offers cordless convenience, solid power, and consistent grease delivery for a wide range of jobs. My takeaway is that it’s a smart choice if I want to work faster and reduce the hassle of manual greasing.
Author Profile
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Claire Bennett is the writer behind natachasteven.com, a product review blog shaped by her eye for everyday details. Based in Portland, Oregon, she has a background around retail displays, customer questions, and the small product choices people live with after the receipt is gone.
Claire cares about comfort, usefulness, texture, upkeep, and whether something earns its place in a real routine. Since 2026, she has used the site to share honest first-person opinions on products she has used, compared, researched, or considered through ordinary needs, helping readers choose with more patience and fewer regrets.
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