10 Best Cordless Grease Gun 2026 in the United States

The DEWALT 20V MAX Grease Gun is a solid choice for anyone looking for a reliable cordless tool to handle lubrication tasks, especially in automotive or machinery settings. With a maximum pressure of 10,000 PSI, it can effectively power through clogged grease fittings, making it a strong performer for demanding tasks. Its high-flow pump pushes out up to 5.0 oz/min, catering well to high-volume applications, which is a significant advantage for users needing to dispense grease quickly.

The variable speed trigger allows for better control over the grease flow, which can help prevent wastage and enhance precision. Additionally, the 42-inch flexible hose is a standout feature, enabling users to reach tight spots and difficult angles, which is often a challenge with traditional grease guns. The built-in LED light is a thoughtful addition, helping to illuminate dark work areas, ensuring that you can locate even the most hard-to-see grease fittings.

However, there are some aspects to consider. The tool is sold as a bare unit, meaning it does not come with batteries included, which could be an issue if you do not already own compatible DEWALT batteries. Weighing in at 8 pounds, it may be slightly heavy for prolonged use, particularly in overhead applications.

The Milwaukee 2646-22CT M18 2-Spd Grease Gun Kit is a versatile and durable tool, ideal for automotive and heavy machinery maintenance. It operates on an 18-volt battery, providing sufficient power for most tasks. The kit includes two compact batteries, which is a great advantage for extended use without frequent recharging.

The grease gun's two-speed functionality suggests flexibility for different applications. Weighing in at 15.37 pounds, it may be on the heavier side, potentially causing fatigue during prolonged use. Additional features include a 5-year warranty, highlighting its durability and reliability.

Customer reviews rate it at 4.3 out of 5 stars, indicating general satisfaction. This grease gun is well-suited for users who prioritize power, durability, and flexibility, but its weight might be a drawback for some.

The Milwaukee M18 Cordless 2-Speed Grease Gun Kit is a solid choice if you want a reliable cordless grease gun for automotive or industrial use. It weighs about 13.9 pounds, which is typical for a powerful tool in this category. The kit runs on Milwaukee's M18 battery platform, known for good battery life and consistent power. The 2-speed feature allows better control over grease flow, making it easier to handle different job sizes efficiently.

Customers rate it highly (4.5 out of 5 stars), praising its durability and ease of use. It doesn't come with batteries included, so you'll need to have compatible Milwaukee M18 batteries or purchase them separately. This grease gun is well-suited for professionals or serious DIYers who value power and convenience, but if you need a lighter or more budget-friendly option, there might be simpler models available.