The best cordless grease guns make routine lubrication faster and less tiring than manual pumping, especially on farm equipment, vehicles, trailers, and heavy machinery. The right model can also improve access to hard-to-reach fittings while helping you apply grease more consistently.
This roundup compares 10 cordless options across established tool platforms and lower-cost alternatives, with attention to pressure, runtime, handling, hose length, and included accessories.
Best 10 Cordless Grease Guns Picks for 2026
Best High-Pressure Pick
- Up to 10,000 PSI
- 5.0 oz/min high-volume pump
- 42-inch hose and LED light
Best For: Heavy-duty lubrication with fast grease delivery
Best Complete M18 Kit
Milwaukee 2646-22CT Grease Gun
- Includes two compact batteries
- Two-speed operation
- 5-year tool warranty
Best For: A ready-to-use Milwaukee M18 setup
Best Battery-Included DEWALT
- Battery and charger included
- 10,000 PSI maximum pressure
- 42-inch hose with LED light
Best For: A complete DEWALT setup for demanding maintenance
Best Precision-Control Pick
Milwaukee M18 2-Speed Grease Gun
- 10,000 PSI maximum pressure
- 48-inch flexible hose
- Preset grease counter dial
Best For: Measured lubrication with extended hose reach
Best Heavy-Duty Value
12000 PSI Dual-Battery Grease Gun
- 12,000 PSI output with 5.3 oz/min flow
- Two 4.0Ah batteries included
- 39.4-inch hose and LED work light
Best For: All-day farm, fleet, and construction maintenance
Best DEWALT-Compatible Bare Tool
- 12,000 PSI output at 6 oz/min
- Works with DEWALT 20V MAX batteries
- Lock-on trigger and rotating handle
Best For: DEWALT users servicing fleets, farms, and heavy equipment
Best with Extra Features
- 10,000 PSI pressure with 7.5 oz./minute flow
- 30-inch flexible hose and LED work light
- Steel grease tube; tool-only configuration
Best For: Ryobi 18V owners maintaining equipment with hard-to-reach fittings
Best DeWalt-Compatible Value
- 12,000 PSI and 8 oz./minute flow rate
- Rotating pistol and in-line grip
- Cartridge or bulk loading with four couplers
Best For: DeWalt 20V owners handling heavy equipment maintenance
Best Complete Kit
Ecarke 20V Cordless Grease Gun
- 12,000 PSI pressure and 8 oz./minute flow
- Includes case, strap, and four couplers
- Supports cartridge and bulk grease loading
Best For: DeWalt 20V users wanting an accessory-rich maintenance kit
Best High-Pressure Pick – DEWALT 20V MAX Grease Gun
For demanding maintenance work, this DEWALT cordless grease gun combines up to 10,000 PSI with a high-volume pump rated at up to 5.0 oz/min. Its long hose, variable-speed trigger, and LED light make it practical for hard-to-reach fittings and dim work areas.
Best For: Users who need high pressure, fast grease delivery, and flexible access in heavy-duty applications.
Pros:
- Up to 10,000 PSI helps power through clogged grease fittings.
- High-volume pump delivers up to 5.0 oz/min.
- 42-inch hose, LED light, and variable-speed trigger improve usability.
- Air-bleeder valve assists with priming after cartridge changes.
Cons:
- This is a tool-only kit, so the battery and charger are not included.
With its strong pressure output and useful access features, this is a capable choice for routine shop maintenance and more demanding lubrication tasks. The integrated foot design also gives operators a convenient place to rest the tool on a flat surface.
Best Complete M18 Kit – Milwaukee 2646-22CT Grease Gun
This Milwaukee cordless grease gun kit is a practical option for buyers who want an included power setup. The M18 2-speed design is described as easy to handle and highly durable, and the package includes two compact batteries.
Best For: Buyers seeking a ready-to-use M18 kit with two compact batteries.
Pros:
- Includes two compact lithium-ion batteries.
- Two-speed operation supports different grease application needs.
- Designed to be easy to use and handle.
- Backed by a 5-year tool warranty.
Cons:
- The supplied notes do not specify PSI, hose length, or pump flow rate.
- At 16.02 pounds, the kit may feel substantial during extended use.
This kit stands out when included batteries matter more than detailed performance specifications. Its two-speed setup and durable metal construction make it a straightforward choice for users already invested in Milwaukee’s M18 platform.
Best Battery-Included DEWALT – DEWALT 20V MAX Grease Gun Kit
This DEWALT cordless grease gun includes a 20V battery and charger, making it a convenient choice for buyers who want a complete setup. It delivers up to 10,000 PSI and up to 5.0 oz/min, with a 42-inch hose and variable-speed trigger for controlled access.
Best For: Users who want DEWALT performance without purchasing the battery and charger separately.
Pros:
- Includes a 20V lithium-ion battery and charger.
- Up to 10,000 PSI and 5.0 oz/min support demanding work.
- 42-inch hose and bright LED help reach and locate fittings.
- Filter screen, no-mar foot, and air-bleeder valve add practical convenience.
Cons:
- Its 14.8-pound weight may be noticeable during prolonged jobs.
- The kit includes one battery rather than multiple batteries.
Compared with the bare-tool version, this package is the more convenient DEWALT choice for new users or anyone without a compatible 20V battery. Its combination of pressure, flow control, and included accessories gives it broad maintenance appeal.
Best Precision-Control Pick – Milwaukee M18 2-Speed Grease Gun
This Milwaukee cordless grease gun is a bare-tool option with up to 10,000 PSI, a 48-inch flexible hose, and a two-speed design. Its preset grease counter dial and lock-on or lock-off trigger add control for repeatable lubrication work.
Best For: M18 users who prioritize hose reach and measured grease application.
Pros:
- Up to 10,000 PSI maximum operating pressure.
- 48-inch hose reaches difficult-to-access fittings.
- Preset grease counter dial supports precision dispensing.
- Air-bleeder valve and lock-on/lock-off trigger improve convenience.
Cons:
- Battery and charger are not included with this bare tool.
- The supplied notes do not provide a pump flow rate.
This model is especially appealing for users who already own M18 batteries and want more hose reach than many competing designs. The grease counter dial makes it a strong fit when consistent application matters.
Best Heavy-Duty Value – 12000 PSI Dual-Battery Grease Gun
For demanding maintenance schedules, this cordless grease gun combines 12,000 PSI of pressure with a 5.3 oz/min flow rate. Its two 4.0Ah batteries, dual-mode control, flexible hose, and bulk-or-cartridge compatibility make it a practical option for farms, fleets, construction sites, and garages.
Best For: Users who need an all-day, high-pressure grease gun with batteries included.
Pros:
- 12,000 PSI maximum pressure and 5.3 oz/min flow rate
- Includes two 4.0Ah batteries for extended runtime
- 39.4-inch hose, quick-lock coupler, and built-in LED light
- Supports bulk grease and standard cartridges
Cons:
- Weighs 12.91 pounds, making it heavier than some alternatives
- Batteries are compatible with Makita batteries but not DEWALT batteries
This is a well-equipped cordless grease gun for buyers prioritizing pressure, reach, and reduced downtime. The included dual-battery setup adds convenience, while the heavier build may be more noticeable during extended overhead work.
Best Compact Brand-Name Pick – Milwaukee M12 2446-20 Grease Gun
The Milwaukee M12 2446-20 is a compact cordless grease gun designed for straightforward shop and field maintenance. It delivers over 8,000 PSI, holds up to seven cartridges per charge, and includes useful features such as hose storage, an air bleeder valve, and an LED fuel gauge.
Best For: Milwaukee M12 users who want a lighter tool-only grease gun for routine lubrication.
Pros:
- Compact 14-inch design weighing 7.2 pounds
- Dispenses up to seven cartridges per charge
- Over 8,000 PSI output with overload protection
- Includes air bleeder valve, bulk filler valve, and integrated hose storage
Cons:
- Battery and charger are sold separately
- Lower maximum pressure and cartridge runtime than some higher-output models
Its balanced size and established M12 platform make this a sensible choice for users who already own compatible batteries. Since it is a bare tool, new buyers should account for the additional cost of a battery and charger.
Best DEWALT-Compatible Bare Tool – 12000 PSI 2-in-1 Grease Gun
This cordless grease gun is built for users who already have DEWALT 20V MAX batteries. It offers 12,000 PSI pressure, a 6 oz/min flow rate, lock-on trigger operation, a rotating handle, LED lighting, and support for both 14-ounce cartridges and 600cc bulk grease.
Best For: DEWALT 20V MAX users needing a high-pressure bare-tool grease gun for fleet, farm, or equipment service.
Pros:
- 12,000 PSI maximum pressure and 6 oz/min flow rate
- Compatible with listed DEWALT 20V MAX battery packs
- Lock-on trigger supports continuous hands-free flow
- Rotating handle, LED light, 39.4-inch hose, and dual-loading design
Cons:
- Battery and charger are not included
- Requires a separate compatible DEWALT 20V MAX battery to operate
With strong output and flexible handling, this model is a capable addition to an existing DEWALT battery system. Its bare-tool configuration keeps the package focused, but buyers without compatible batteries will need to budget for them separately.
Best with Extra Features – Ryobi 18V Cordless Grease Gun
The Ryobi P3410 is a practical choice among cordless grease guns if you already use Ryobi 18V batteries. It combines 10,000 PSI of pressure with a 7.5 oz./minute flow rate, while the flexible hose and LED work light help with routine equipment maintenance.
Best For: Ryobi 18V tool owners servicing automotive, farm, or other equipment with hard-to-reach grease fittings.
Pros:
- 10,000 PSI pressure and 7.5 oz./minute flow rate
- 30-inch flexible hose for reaching difficult fittings
- Steel grease tube and onboard LED work light
Cons:
- Tool-only purchase; battery and charger are not included
- At 8.3 pounds, it may feel substantial during extended use
Choose this model if durability, a useful hose length, and compatibility with the Ryobi 18V platform matter more than having the highest listed pressure.
Best DeWalt-Compatible Value – ZMPZMP 20V Grease Gun
This ZMPZMP model is one of the more capable cordless grease guns for users with compatible DeWalt 20V batteries. Its 12,000 PSI output, 8 oz./minute flow rate, rotating grip, and variable-speed trigger are suited to demanding lubrication jobs.
Best For: DeWalt 20V battery owners who want a high-pressure tool for trucks, tractors, farm equipment, and industrial machinery.
Pros:
- 12,000 PSI maximum pressure and 8 oz./minute flow rate
- Rotating handle switches between pistol and in-line grips
- Supports 14 oz. cartridges and bulk grease, with overload protection
- Includes a 39-inch hose and four couplers
Cons:
- Battery and charger are not included
- Compatibility is limited to specified DeWalt 20V lithium-ion batteries
Its combination of pressure, loading flexibility, and grip options makes it a strong fit for heavier maintenance work, provided you already have the required battery platform.
Best Complete Kit – Ecarke 20V Cordless Grease Gun
The Ecarke cordless grease gun stands out for its included accessories and carrying case. With 12,000 PSI pressure, an 8 oz./minute flow rate, dual-grip flexibility, and support for cartridge or bulk grease, it is equipped for varied maintenance tasks.
Best For: DeWalt 20V users who want a more complete grease-gun kit for trucks, loaders, farm equipment, and construction machinery.
Pros:
- 12,000 PSI maximum pressure and 8 oz./minute flow rate
- Rotating handle provides pistol or straight-grip configurations
- Accepts 14 oz. cartridges and bulk grease, including NLGI #0, #1, and #2
- Includes shoulder strap, hard case, and four specialized couplers
Cons:
- Battery and charger are not included
- At 10.45 pounds, it is heavier than the ZMPZMP model listed here
The included case, strap, and couplers add convenience for mobile maintenance, making this a compelling option when portability and accessories are priorities.
How We Picked the Best Cordless Grease Guns
We focused on the specifications that matter during real maintenance work: maximum pressure, grease delivery, battery compatibility, runtime, hose length, grip design, trigger control, loading method, and included equipment. We also separated bare tools from complete kits so the upfront price is easier to judge.
Battery-platform compatibility received particular attention. A bare tool can be a strong value if you already own compatible batteries, while a kit with a battery and charger may cost less overall for new users. Brand reputation, replacement-battery availability, warranty support, and the usefulness of included features such as LED lights or lock-on triggers also influenced the comparison.
Quick Comparison
| Best For | What to Look For |
|---|---|
| Professional or heavy equipment use | High pressure, strong delivery rate, durable construction, and two-speed control |
| Occasional vehicle maintenance | A complete battery kit, manageable weight, and a flexible hose |
| Existing DEWALT, Milwaukee, or Ryobi users | A bare tool that matches your current battery platform |
| Hard-to-reach fittings | A long hose, LED work light, and comfortable pistol or inline grip |
Key Buying Factors for Cordless Grease Guns
Pressure and Delivery Rate
Maximum PSI indicates the tool’s potential for pushing grease through resistant fittings, but it is not the only performance measure. Delivery rate affects how quickly you can service multiple points. Two-speed models are useful when you need faster volume for routine work and higher pressure for stubborn fittings.
Battery and Runtime
Choose a battery platform you already use when possible. This reduces cost and gives you access to spare packs. If you are starting from scratch, compare the price of the complete kit rather than the tool alone. Larger batteries generally extend runtime but can increase weight.
Hose, Grip, and Controls
A long, flexible hose improves access around axles, suspension components, and machinery. Consider whether the tool has a pistol grip, inline grip, or both, and check for a variable-speed trigger, lock-on function, LED light, and a secure coupler. These details have a noticeable effect on comfort and control.
Loading and Maintenance
Look for straightforward cartridge loading, bulk-fill capability if you service equipment frequently, an air-bleed feature, and clear grease-level visibility. A tool that is easy to prime is less frustrating when switching cartridges or dealing with thick grease.
Who Should Buy Which Cordless Grease Guns?
Choose a DEWALT or Milwaukee model if you already own that brand’s batteries or need a dependable tool for frequent professional use. Their established platforms, service support, and available batteries can justify the higher investment.
A Ryobi option is a practical choice for homeowners and light-duty users already invested in the 18V ONE+ system. Complete kits are better for occasional users who do not own batteries, while the lower-cost compatible models may suit budget-conscious buyers who want high claimed pressure and extra accessories.
Before ordering, confirm the battery requirements, included hose and coupler, cartridge size, and whether the listing is for a bare tool or a complete kit. That final check prevents compatibility surprises and gives you a more accurate view of the total cost.








