For automotive professionals and serious DIYers, a reliable grease gun is as essential as a good wrench. Manually pumping away at stubborn grease fittings is a tedious, time-consuming, and physically demanding task that can slow down any maintenance job. A battery-operated grease gun transforms this chore, delivering consistent, high-pressure grease with just the pull of a trigger, saving both time and energy.
The right cordless grease gun can make servicing suspension components, ball joints, and other chassis parts a much smoother process. With various models offering different pressure ratings, flow rates, and battery systems, selecting the best one for your shop or garage is crucial. This roundup highlights eight of the top options available to help you power through your automotive maintenance list with ease.
Our Top Picks for Battery-Powered Grease Guns
- DEWALT Grease Gun Kit 20V MAX with Battery and Charger
- TaskStar Electric Grease Gun Kit: 12000 PSI 2-in-1 Battery Powered
- Seesii Innovative 2-in-1 Grease Gun: High-Efficiency 5.3 oz/min
- olmlmo Grease Gun, High-Efficiency Electric Grease Gun Kit
- Stalwart Grease Gun – 20V 12000 PSI Cordless Grease Gun
- LUBEGARD 23132 Pistol Grip Grease Gun with 3 Nozzle Adapters
- Lincoln Industrial 1134 Pneumatic Grease Gun
- DEWALT DCGG571B 20V MAX Cordless Grease Gun (Tool Only)
DEWALT Grease Gun Kit 20V MAX with Battery and Charger
For those already invested in the DEWALT 20V MAX ecosystem, this grease gun kit is a natural and powerful addition. It is built to handle the toughest jobs, with a motor capable of delivering up to 10,000 PSI to power through clogged or stubborn grease fittings that would stop lesser tools in their tracks. This makes it an excellent choice for professional automotive shops and fleet maintenance.
The high-volume pump pushes grease at a rate of up to 5.0 ounces per minute, making quick work of high-flow applications. The variable speed trigger gives you precise control over the grease flow, allowing you to meter out just the right amount for each fitting without waste or mess. The included 42-inch flexible hose provides the reach needed to access tight spots under vehicles with ease.
TaskStar Electric Grease Gun Kit
The TaskStar grease gun stands out with its innovative 2-in-1 design, which allows you to switch between configurations with a simple twist. This versatility means you can use a single tool to service everything from a compact car’s chassis to large agricultural or construction equipment, eliminating the need for multiple guns and saving valuable time.
Performance is at the core of this tool, with an upgraded motor generating 12,000 PSI of maximum pressure and a 5.3 oz/min flow rate. This power ensures it can blast through stuck fittings and handle heavy-duty greasing tasks efficiently. The battery-powered operation is a significant advantage, removing the physical strain of manual pumping and making it a considerate choice for those with joint pain or during long maintenance sessions.
Seesii Innovative 2-in-1 Grease Gun
Seesii offers a well-rounded 2-in-1 cordless grease gun designed with user feedback in mind. Its versatile form factor adapts to various greasing challenges, providing a comprehensive solution for maintaining farm equipment, trucks, and other vehicles. The advanced pure copper motor delivers professional-grade performance with 12,000 PSI and a 5.3 oz/min flow rate.
This model includes several thoughtful features that enhance usability. A built-in LED light illuminates dark work areas under vehicles or in poorly lit shops. The generous 39.4-inch flexible hose and an included shoulder strap help you access difficult fittings comfortably and reduce fatigue during extended use, making it a practical tool for getting through long maintenance lists.
olmlmo High-Efficiency Electric Grease Gun
If speed is your priority, the olmlmo grease gun boasts one of the highest flow rates in this roundup at 6.8 ounces per minute. This allows for exceptionally fast greasing of equipment, which can be a major time-saver when maintaining a fleet of vehicles or large machinery. Its powerful upgraded motor also delivers a solid 10,000 PSI of working pressure.
The tool is designed to make greasing effortless, eliminating the muscle fatigue and strain associated with manual pumps. Simply pulling the trigger automatically dispenses grease, which is particularly beneficial during cold weather when manual operation becomes even more difficult. It is a strong option for users who need to complete greasing tasks quickly and without physical exertion.
Stalwart Grease Gun – 20V 12000 PSI Cordless
The Stalwart 20V cordless grease gun kit is notable for its comprehensive set of accessories. It comes with a 14-inch hose, a 9-inch straight pipe, multiple couplers, and a bulk grease connector, giving you multiple options for tackling different types of grease fittings right out of the box. This makes it a great value for those needing a complete setup.
Despite its powerful 12,000 PSI output, the tool features a compact, cordless design that is easy to maneuver in tight spaces. A stepless switch allows you to adjust the output pressure based on how you press the trigger, providing greater control. Constructed from durable ABS plastic, this grease gun is built to withstand the demands of a busy workshop or farm.
LUBEGARD 23132 Pistol Grip Grease Gun
For those who prefer a manual tool or need a reliable backup, the LUBEGARD pistol grip grease gun is a solid and straightforward option. Its pistol grip design offers a comfortable and familiar feel, providing good leverage for manual operation. This type of gun is a classic choice for automotive work and is known for its simplicity and durability.
The kit includes three nozzle adapters, increasing its versatility and allowing it to connect to a wide range of grease fittings found on cars and light trucks. While it requires manual effort, it delivers high pressure mechanically and is an effective, no-battery-required solution for periodic maintenance tasks or for users on a budget.
Lincoln Industrial 1134 Pneumatic Grease Gun
The Lincoln Industrial 1134 offers a different kind of power by operating on compressed air. This pneumatic grease gun is an excellent choice for workshops that already have a robust air compressor system. It provides consistent, high-pressure output without the need for batteries, making it ideal for high-volume shops where it can be used continuously.
As a product from a trusted brand in lubrication equipment, the Lincoln 1134 is built for professional, heavy-duty use. It can significantly reduce operator fatigue compared to manual guns and delivers reliable performance for demanding automotive and industrial applications. Ensure you have an adequate air supply to make the most of this powerful tool.
DEWALT DCGG571B 20V MAX Cordless Grease Gun (Tool Only)
This is the tool-only version of the DEWALT cordless grease gun, perfect for anyone who already owns DEWALT 20V MAX batteries and a charger. It offers the same powerful performance as the kit version, with 10,000 PSI and a variable speed trigger, but at a lower entry point for existing platform users.
By sharing batteries with your other DEWALT tools, you can streamline your toolkit and reduce clutter. This tool-only option provides the same professional-grade performance and reliability, making it a smart and cost-effective purchase for extending the capability of your current cordless tool collection.
Buying Guide: How to Pick the Right Battery Operated Grease Gun for Your Garage
When I first decided to upgrade from a manual grease gun, the options for a battery operated grease gun were a bit overwhelming. It’s a tool that can save you a ton of time and effort, but only if you pick the right one for your specific needs. After using and researching many models, I’ve figured out what really matters. Here’s my straightforward guide to help you choose the best battery operated grease gun for your automotive work.
First, consider the power source. Most models run on either 12V or 20V batteries. If you’re already invested in a particular cordless tool ecosystem like DeWalt, Milwaukee, or Makita, it makes a lot of sense to choose a grease gun that uses the same battery platform. This saves you money and the hassle of managing another charger. If you’re starting from scratch, a 20V system generally offers more power, which is great for stubborn fittings, but a good 12V model is often more than enough for most car and light truck maintenance.
Next, look at the pressure rating, measured in PSI (pounds per square inch). This is the force the gun uses to push grease into a fitting. For automotive work, you don’t necessarily need the absolute highest PSI. A range between 6,000 and 10,000 PSI is typically perfect. High pressure is useful for pushing thick grease or dealing with a seized fitting, but too much power on a fragile fitting can cause damage. A gun with a variable pressure setting gives you the best control.
Then there’s the grease capacity. The cartridge is the standard, holding 14.5 ounces of grease. This is a good size for most home mechanics, as it lets you complete several jobs before needing a refill. Some guns offer a bulk-fill option, which can be more economical if you buy grease in large tubes, but it can be messier to load. For the majority of us, a standard cartridge-load gun is the cleanest and most convenient choice.
Finally, think about the little things that improve the experience. A flexible hose is a must-have for reaching tight spots without straining the grease fitting. A clear or translucent grease tube lets you see how much grease you have left, so you’re not caught off guard mid-job. Also, pay attention to the overall build quality and ergonomics. You’ll be holding this tool, so it should feel comfortable and well-balanced in your hands. By focusing on these key areas—battery compatibility, pressure, capacity, and usability—you’ll find a tool that makes your automotive maintenance faster and a whole lot easier.
Frequently Asked Questions
How long does the battery last on a typical cordless grease gun?
This is one of the first questions I had, and the answer depends on the battery’s voltage and amp-hour (Ah) rating. For most automotive tasks, a standard 2.0Ah battery on a quality model will last through several grease cartridges. You can easily grease an entire car, including suspension and drivetrain components, multiple times on a single charge. For heavier use, like servicing a fleet of vehicles, opting for a higher Ah battery (like 4.0Ah or 5.0Ah) is a smart move to ensure you never run out of power halfway through a big job.
Can I use any type of grease with a battery operated grease gun?
Generally, yes, but you need to pay attention to the grease’s consistency, which is indicated by its NLGI grade. Most guns are designed to work with the most common NLGI #2 grease, which is what you’ll find for probably 95% of automotive applications. If you need to use a thicker NLGI #2.5 or #3 grease, or a thinner NLGI #1, you should check the gun’s specifications first. Some models handle a wider range better than others. Using the wrong consistency can lead to poor performance or even damage the pump mechanism.
Are these grease guns messy to reload?
Modern cartridge-load guns are actually very clean, which is a huge improvement over old bulk-fill systems. The process is simple: you unscrew the head, pull out the old cartridge, drop in a new 14.5-ounce grease cartridge, and replace the plunger. There’s minimal contact with the grease itself. The main tip I have is to make sure the plunger is properly seated on the new grease cartridge to prevent any air pockets, which can cause frustrating priming issues.
What’s the main advantage over a manual grease gun?
The advantage is all about speed, consistency, and reduced effort. A manual gun requires a lot of pumping, and it can be tough to get consistent pressure, especially on stiff fittings. A battery powered model does all the hard work for you with just the pull of a trigger. This gives you a steady, reliable flow of grease, ensuring each fitting gets properly lubricated without you getting a workout. It turns a tedious chore into a quick and simple task.
My grease gun isn’t building pressure. What should I check?
This is a common frustration. The first thing I always check is for air in the system. You need to properly prime the gun after loading a new cartridge. Follow the manufacturer’s instructions for purging air, which usually involves running the gun with the relief valve open until a steady stream of grease comes out. Other culprits can be a worn or damaged coupler on the end of the hose, a clogged grease passage, or using a grease that is too thick for the gun to handle effectively.
Is it worth the investment for a home mechanic?
If you regularly maintain your own vehicles—greasing suspension components, ball joints, and U-joints—then absolutely, yes. While the initial cost is higher than a manual gun, the time and effort you save make it a fantastic investment. It encourages you to do the job more frequently because it’s no longer a struggle. For anyone looking to seriously upgrade their garage toolkit, one of the best battery operated grease guns for automotive work is a game-changer for routine maintenance.