10 Best Battery Powered Grease Guns 2025 in the United States

The DEWALT 20V MAX Grease Gun (DCGG571B) is a robust tool designed for high-performance tasks, especially in automotive and heavy machinery maintenance. It boasts a powerful motor that delivers up to 10,000 PSI, making it capable of handling clogged grease fittings efficiently. With a high-volume pump that pushes up to 5.0 oz/min, it is suitable for high-flow applications, ensuring quick and effective lubrication.

The 42-inch flexible hose is a significant advantage for reaching hard-to-access grease fittings, while the bright LED light assists in dark work areas, enhancing visibility and precision. The variable speed trigger allows for precise control of grease flow, providing versatility depending on the task at hand. Additionally, the integrated no-mar foot design offers stability when resting the tool on flat surfaces, and the air-bleeder valve helps in easily priming the pump after cartridge changes.

It is important to note that the product is sold as a bare tool, meaning the battery is not included, which could be an extra cost for potential buyers. Weighing 8 pounds, it might be slightly heavy for prolonged use, which could be a concern for some users. It comes with a solid warranty package, including a 3-year limited warranty, a 1-year free service contract, and a 90-day money-back guarantee, adding to its reliability. This grease gun is particularly well-suited for professionals who require a durable, high-pressure tool for demanding lubrication tasks.

The Milwaukee 2646-20 M18 2-Spd Grease Gun is a robust tool designed for heavy-duty use, offering an impressive maximum operating pressure of 10,000 PSI. This high pressure makes it suitable for demanding applications. It features an 18-volt battery system, though batteries are not included with the bare tool, which means you will need to purchase them separately if you don’t already own compatible ones.

The grease gun is designed with user convenience in mind, highlighted by its 48-inch flexible hose that allows access to hard-to-reach fittings and its lock-on/lock-off trigger for ease of use. Additional features like the air bleeder valve for quick priming and the pre-set grease counter dial enhance precision and efficiency during operation. Weighing in at just 4.21 pounds, it is relatively lightweight, reducing user fatigue during prolonged use.

The product comes with a commendable 5-year tool warranty. However, its absence of included batteries might be a drawback for some users, and the need to purchase them separately could be an added expense. This grease gun is well-suited for automotive and industrial applications where high pressure and precise grease application are required.

The TaskStar Electric Grease Gun Kit is a powerful, cordless tool ideal for greasing tractors, trucks, lawnmowers, and other machinery. It runs on two rechargeable 4000mAh batteries, providing good runtime to grease multiple machines before needing a recharge. The grease gun produces a strong 12,000 PSI pressure with a flow rate of about 5.3 ounces per minute, enabling it to handle both routine and heavy-duty tasks efficiently. A 39.4-inch flexible hose and included 90-degree coupler adapter make it easier to reach tight or awkward spots that are usually hard to grease.

An integrated LED light is a useful feature for working in dim areas like garages or under vehicles. Weighing approximately 12.65 pounds, it is somewhat heavy but comes with a shoulder strap to reduce fatigue during longer jobs. The tool supports both bulk grease and standard 14-ounce cartridges, offering flexibility in refilling. The kit is comprehensive, including batteries, charger, various nozzles, gloves, and a storage box, so users get everything needed to start immediately.

Although the weight might be a consideration for some users, the product is compatible with Makita batteries for convenience. Backed by a 3-year support plan, this grease gun serves as a dependable option for farmers, mechanics, and maintenance workers seeking a reliable and efficient cordless greasing tool.