10 Best Battery Powered Grease Guns 2026 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 2646-22CT M18 2-Spd Grease Gun Kit is a reliable battery-powered grease gun that runs on an 18-volt lithium-ion battery, providing good power and runtime with its two compact batteries. It is praised for being easy to handle and durable, making it suitable for regular use in tougher working conditions. Weighing about 17 pounds, it is relatively heavy compared to some other models, which is something to consider for extended use.

The 2-speed feature allows switching between high flow for quick jobs and low flow for more precise applications, offering flexibility for different maintenance tasks. Its metal construction contributes to durability, though it also adds to the overall weight.

If you want a sturdy, easy-to-use grease gun backed by a 5-year warranty and are comfortable with the weight and sourcing compatible Milwaukee M18 batteries separately, this model is a dependable choice for both professional and DIY settings.

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.