Best Cordless Grease Gun Under $80 (2026)

A tractor that needs grease at every joint before field work and a truck that hauls through the week both ask for the same routine job, and a hand pump turns that routine into slow, tiring work at each fitting.

This guide compares 5 cordless grease guns for the best cordless grease gun under $80 judged by pressure, flow, hose reach, couplers, battery setup and kit contents.

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Picks for the garage

#	Product	Shop Score	Buy
1	Cordless Grease Gun Compatible with DeWalt 20V MAX	9.6/10	Buy on Amazon
2	Coranex 12000 PSI Cordless Grease Gun	9.6/10	Buy on Amazon
3	J-KU Electric Grease Gun Kit with 2 4.0Ah	9.6/10	Buy on Amazon
4	Electric Grease Gun Kit, 12000 PSI, 2-in-1	9.6/10	Buy on Amazon
5	Cordless Grease Gun Compatible with DeWalt 20V MAX	9.5/10	Buy on Amazon

1

Cordless Grease Gun Compatible with DeWalt 20V MAX

DEKARTOL·9.6/10 Shop Score

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The Shop Score runs from 9.2 to 9.8 and weighs performance (35%), build (25%), value (25%), safety (10%, where it applies) and warranty (5%), using only what the manufacturer and the listing publish. How we pick ›

A tool-only cordless grease gun for DeWalt 20V MAX batteries, with 12000 PSI pressure, 8 oz/min flow, a 2-in-1 rotating handle, an LED work light and a 39.4" hose. Who it is for: a garage owner who already owns DeWalt 20V MAX batteries and wants a long hose and a full coupler set.

Check price on Amazon

Pros

• 12000 PSI pressure with 8 oz/min flow for heavy-duty greasing on trucks, loaders and farm equipment.
• 2-in-1 rotating handle switches between a pistol grip for tight spaces and a straight grip for long reach.
• 39.4" flexible hose with 4 couplers, including a 90° coupler, a locking coupler, a pointed tip and a straight coupler.
• Trigger lock holds a steady flow without holding the trigger down, cutting hand fatigue on long jobs.

Cons

• Tool only: a battery and charger are not included, so a buyer without a DeWalt 20V MAX battery must source one separately.
• No stated battery runtime figure, so run time per charge is left open by the listing.
• Bulk grease is described only as grease in pails, with no bulk volume figure stated.
• Who should skip it: a buyer who wants a complete kit with a battery and charger in the box.

2

Coranex 12000 PSI Cordless Grease Gun

Coranex·9.6/10 Shop Score

i

The Shop Score runs from 9.2 to 9.8 and weighs performance (35%), build (25%), value (25%), safety (10%, where it applies) and warranty (5%), using only what the manufacturer and the listing publish. How we pick ›

A complete cordless grease gun kit with 12000 PSI pressure, 2 x 4.0Ah batteries, a charger, a 40" flexible hose, a 90° coupler and a carrying case. Who it is for: a farmer or truck owner who wants a ready-to-use kit with a long hose for tight fittings.

Check price on Amazon

Pros

• 12000 PSI pressure with a 2-in-1 design, a bleed valve and pressure relief support for stubborn fittings.
• 40" flexible hose with a 90° coupler for cramped, angled and shielded fittings.
• 2 x 4.0Ah batteries, a charger, an LED work light, gloves, a shoulder strap and a carrying case in the kit.
• 12-piece accessory set adds couplers and an extension rod for varied fitting access.

Cons

• No flow figure is stated, so greasing speed cannot be compared against picks that state 8 oz/min or 5.3 oz/min.
• No grease grade or cartridge size is stated in the listing, so loading options are left open.
• No cross-brand battery compatibility is stated, so the kit batteries are the stated power source.
• Who should skip it: a buyer who wants a stated flow figure or a stated grease grade before choosing.

3

J-KU Electric Grease Gun Kit with 2 4.0Ah

J-KU·9.6/10 Shop Score

i

The Shop Score runs from 9.2 to 9.8 and weighs performance (35%), build (25%), value (25%), safety (10%, where it applies) and warranty (5%), using only what the manufacturer and the listing publish. How we pick ›

A complete cordless grease gun kit with 12,000 PSI pressure, 5.3 oz/min flow, 2 x 4.0Ah batteries, a charger, a 39.4" hose and a carrying case. Who it is for: a truck or tractor owner who wants a full kit with a padded shoulder strap and a hose organizer.

Check price on Amazon

Pros

• 12,000 PSI pressure with 5.3 oz/min flow for excavators, tractors, trucks and trailers.
• 2 x 4.0Ah batteries with a charger, compatible with Ma-kita 18V systems, for cordless work away from outlets.
• 2-in-1 power modes switch with a twist for varied lubrication jobs.
• 90° coupler, quick-release coupler, LED light, padded shoulder strap and side-opening case for organized carry.

Cons

• Grease grade is limited to NLGI #2 in the listing, with no other grade named.
• No stated runtime figure per charge, so working time per battery is left open.
• Flow of 5.3 oz/min sits below picks that state 8 oz/min, so large greasing jobs take longer on paper.
• Who should skip it: a buyer who already owns a different battery system and wants a tool-only pick.

4

Electric Grease Gun Kit, 12000 PSI, 2-in-1

J-KU·9.6/10 Shop Score

i

The Shop Score runs from 9.2 to 9.8 and weighs performance (35%), build (25%), value (25%), safety (10%, where it applies) and warranty (5%), using only what the manufacturer and the listing publish. How we pick ›

A complete cordless grease gun kit with 12,000 PSI pressure, 5.3 oz/min flow, 2 x 4.0Ah batteries, a charger, a 39.4" hose and a carrying case. Who it is for: a garage owner who wants a full kit for cars, yard equipment, boats and trailers.

Check price on Amazon

Pros

• 12,000 PSI pressure with 5.3 oz/min flow for demanding lubrication jobs.
• 2 x 4.0Ah batteries with a charger, compatible with Ma-kita 18V systems, for extended working time.
• 2 power modes match varied lubrication requirements on tractors, trucks and heavy equipment.
• 90° coupler, quick-release coupler, LED light, shoulder strap and hose organizer for tight fittings and tidy carry.

Cons

• Grease grade is limited to NLGI #2 in the listing, with no other grade named.
• Flow of 5.3 oz/min sits below picks that state 8 oz/min.
• No stated runtime figure per charge, so working time per battery is left open.
• Who should skip it: a buyer who wants a tool-only pick for a battery system already owned.

5

Cordless Grease Gun Compatible with DeWalt 20V MAX

Funnywhale·9.5/10 Shop Score

i

The Shop Score runs from 9.2 to 9.8 and weighs performance (35%), build (25%), value (25%), safety (10%, where it applies) and warranty (5%), using only what the manufacturer and the listing publish. How we pick ›

A tool-only cordless grease gun for DeWalt 20V MAX batteries, with 12,000 PSI pressure, 8 oz/min flow, a 2-in-1 rotating handle, an LED light and a 16.4" hose. Who it is for: a DeWalt 20V MAX owner who wants high flow and a full coupler set.

Check price on Amazon

Pros

• 12,000 PSI pressure with 8 oz/min flow for heavy-duty greasing on trucks, construction equipment and farm machinery.
• 2-in-1 rotating handle switches between a pistol grip for tight spaces and a straight grip for long reach.
• 4 couplers, including a 90° coupler, a lock-on coupler, a pointed tip and a standard coupler, with a shoulder strap and carrying case.
• Standard 14 oz cartridges or 400ml bulk grease, compatible with NLGI #2 grease, for varied loading options.

Cons

• Tool only: a battery and charger are not included, so a buyer without a DeWalt 20V MAX battery must source one separately.
• 16.4" hose gives less reach than picks with a 39.4" or 40" hose.
• No stated runtime figure per charge, so working time per battery is left open.
• Who should skip it: a buyer who wants a complete kit with a battery, charger and long hose in the box.

Compared on paper

These numbers are the tool makers’ rated figures, as their listings print them on 4 November 2026. “Not stated” means the listing does not give the figure.

How the points were given

Each pick is scored on performance, build, value, safety and warranty, with performance carrying the largest weight, followed by build and value, then safety and warranty. How we pick explains the weights. A pick with no stated safety feature scores 0 on safety, and a pick with no stated warranty term scores 0 on warranty.

We map each tool’s weighted total onto a 9.2 minimum and 9.8 maximum in a straight line, so the point order and score order match.

What the listings tell you

All 5 listings state a maximum pressure figure. Four listings state 12,000 PSI and 1 states 12000 PSI. Flow is stated for 4 listings: 2 state 5.3 oz/min and 2 state 8 oz/min, while 1 listing leaves flow unstated.

Hose length runs from 16.4″ to 40″ across the 5 listings, and every listing includes a carrying case. Battery setup splits the group: 3 kits include 2 x 4.0Ah batteries and a charger, and 2 picks are tool only. Warranty terms run from 12 month to 2 Year.

Buying guide: Best Cordless Grease Gun Under $80

Pressure and flow

Maximum pressure decides whether grease moves into a stiff fitting, and flow decides how fast a job goes. The listings state 12,000 PSI or 12000 PSI, so pressure alone does not separate them. Flow separates them instead: picks that state 8 oz/min move grease faster on paper than picks that state 5.3 oz/min.

Hose reach and couplers

A long hose and an angled coupler reach fittings tucked behind frames and wheels. Hose length runs from 16.4″ to 40″, and angled couplers appear in every listing: a 90° coupler, a 90° adapter, or a coupler set that includes a 90° piece.

Batteries and kit contents

A kit with batteries and a charger is ready for a garage with no compatible battery on hand, while a tool-only pick suits a garage that already owns one. The tool-only picks are built for DeWalt 20V MAX batteries, and the kits with batteries are built around 18V systems or a 21V system.

Grease loading

Four picks accept standard 14 oz cartridges and bulk grease, while 1 listing does not state a cartridge or bulk loading option. Four listings name NLGI #2, and the listing that names NLGI #0 and NLGI #1 also names NLGI #2.

Garage Fit Check

• Check hose reach against the farthest fitting on the truck or tractor before a job, using the stated hose length for the pick.
• Keep the charger and spare battery with the case so a kit with 2 x 4.0Ah batteries stays ready between jobs.
• Store cartridges and bulk grease apart from the gun case, and keep couplers in the case so small parts do not go missing.
• Check the stated grease grade for the pick against the grease on hand, since listings name NLGI #2, NLGI #0, or NLGI #1.

FAQ: garage tools

Can a cordless grease gun handle tractor and truck fittings?

Yes, in the terms the listings use: the listings describe use on tractors, trucks, trailers, farm equipment and cars, with maximum pressure stated as 12,000 PSI or 12000 PSI.

What size grease cartridges do these picks use?

Four picks accept standard 14 oz cartridges and bulk grease, including bulk grease up to 400ml on the picks that state a bulk figure.

Do tool-only picks include a battery?

No. The tool-only picks state that a battery and charger are not included, and they are built for DeWalt 20V MAX batteries already owned by the buyer.

Does a longer hose help on a truck?

A longer hose reaches fittings placed deep or high on a truck or tractor. Hose length runs from 16.4″ to 40″, so a buyer can match hose length to the farthest fitting.

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