Grease Gun Battery Powered - High Pressure Electric Greaser

In this review the Grease Gun Battery Powered is judged on performance, convenience and durability for heavy equipment owners. It is aimed at farmers, mechanics and truckers who need a faster, less tiring way to apply grease to fittings and pivots. The single biggest reason to buy is the combination of up to 10,000 PSI pressure and a battery powered trigger that replaces manual pumping, making routine lubrication quicker and easier on hands during long maintenance sessions.

Key Features

• High pressure performance: Delivers up to 10,000 PSI and a 3.0 oz/min flow to push grease into tight, worn fittings on tractors, loaders and trailers.
• Battery powered convenience: The cordless design and variable-speed trigger let one-handed operation with no manual pumping, reducing hand fatigue during repetitive tasks.
• Extended runtime: Includes two 21V 2000mAh batteries so you can grease up to about 10 cartridges per charge and swap batteries for uninterrupted work.
• Reach and visibility: Comes with a 39.4 in flexible hose and built-in LED work light to access and see hard-to-reach or dark areas under equipment.
• Dual loading options: Accepts standard 14 oz cartridges or bulk fill, and the cold-drawn steel barrel plus T-handle plunger make loading straightforward.
• Complete kit: Supplied with charger, tip nozzle, coupler, extension pipe, shoulder strap, gloves and a storage box for organized transport and storage.

Who It's For

This grease gun is best for farmers, truck drivers, fleet mechanics and weekend restorers who service tractors, trailers, loaders and other heavy machinery and need a dependable, high-pressure tool. The cordless setup and two-battery system suit those working in remote locations or moving between jobs where an outlet is not always available.

Those who should look elsewhere include users who only have occasional light-duty greasing needs and prefer a very low-cost manual gun, or shops that require a permanently mounted pneumatic greaser for high-volume industrial production runs.

Pros & Cons

Pros

• High-pressure motor delivers consistent grease flow into tight fittings for professional-grade results.
• Two included batteries offer extended runtime and compatibility with common 21V platforms adds flexibility.
• Long flexible hose and LED light make it simple to reach and see hard-to-access grease points.
• Complete kit comes ready to use with carry case and accessories for field service.

Cons

• Battery runtime depends on cartridge size and duty cycle, so heavy continuous use will need battery swaps.
• The kit is focused on portability rather than a dedicated shop-mounted installation option.

Specifications

Our Verdict

The Grease Gun Battery Powered is a solid value for anyone who regularly services tractors, trucks or heavy equipment and wants to speed up lubrication tasks without manual pumping. Its high pressure, long hose and two-battery system deliver professional results and good uptime, making it a worthwhile purchase for field technicians and small fleets who need reliable, portable greasing.

Frequently Asked Questions

How long will the batteries last on a single charge?
Included 21V 2000mAh batteries can grease roughly up to 10 standard cartridges per full charge under typical use, and swapping the spare keeps work moving.

Can I use bulk grease as well as cartridges?
Yes, the gun accepts standard 14 oz cartridges or bulk fill and is compatible with NLGI #0, #1 and #2 grease.

Is the hose long enough for tight spaces?
The 39.4 in flexible hose plus LED light is designed to reach and illuminate fittings under trailers, inside engine bays and other hard-to-reach areas.