Lithium Battery Grease Gun Cordless for DeWalt 20V Max Battery

In this review the Lithium Battery Grease Gun Cordless for DeWalt 20V Max Battery is evaluated for mechanics, hobbyists, and farm operators who need a portable, high-pressure greasing tool. The bottom line is simple: it delivers powerful 10000 PSI performance in a noticeably lighter, smaller package than many bulkier electric grease guns, and it works with common DeWALT 20V batteries so you can use batteries you may already own. The reviewer found it saves physical effort over manual guns and is practical for maintenance tasks where portability and reach matter.

Key Features

• Lightweight design: The smaller, lighter housing makes the tool easier to carry between jobs and reduces fatigue compared with a manual gun.
• High pressure output: Capable of reaching about 10000 PSI so it handles tight fittings and heavy machinery lubrication without repeated manual pumping.
• DeWALT 20V battery compatible: Accepts common DeWALT 20V batteries (tool only) so no special battery purchases are required if you have compatible batteries.
• No-drip construction: The high-density alloy reservoir and tested filling process help prevent leakage and extend tool life.
• Automatic exhaust and LED: Built-in automatic exhaust helps avoid hose blockages and the LED supports low-light work.
• Flexible accessories: Includes a 12 in spring hose, a 6 in rigid tube, coupler, and spanner to reach varied grease points.

Who It's For

This cordless grease gun suits professional mechanics, farm operators, and DIYers who need a portable, powerful lubricator for vehicles, agricultural machines, or shop equipment. Its compatibility with DeWALT 20V batteries makes it attractive to users who already own those batteries and want a tool-only purchase that integrates into an existing battery ecosystem.

Those who should look elsewhere include users who need a complete kit with batteries and charger in the box, or customers who require very long continuous run times without battery swaps. For light, infrequent household use a manual grease gun may still be the simplest choice.

Pros & Cons

Pros

• Portable and lighter than many electric models, reducing user fatigue on long jobs.
• High-pressure output around 10000 PSI handles stubborn fittings effectively.
• Accepts common DeWALT 20V batteries, avoiding the need to buy a proprietary power pack.
• Comes with useful hose and tube accessories for flexible application.

Cons

• Sold as tool only, so a compatible DeWALT 20V battery and charger are required but not included.
• Some customers reported mixed impressions of build quality despite generally positive functionality and value comments.

Specifications

Our Verdict

The Lithium Battery Grease Gun is a practical, value-oriented option for anyone who already owns DeWALT 20V batteries and needs a compact, high-pressure greasing tool. It balances portability, accessories, and tested no-leak construction to deliver reliable performance for shop, farm, and vehicle maintenance without the bulk of larger electric guns.

Frequently Asked Questions

Does the gun come with a battery?
No, this is sold as tool only and requires a compatible DeWALT 20V battery.

Can it use standard grease cartridges?
Yes, it accepts bulk grease and 14 oz grease cartridges for flexible refilling.

Is the hose suitable for tight access points?
The included 12 in spring flex hose and 6 in rigid tube provide options to reach awkward fittings.