In brief: The best cordless grease gun for you depends on how you plan to use it. For frequent professional use, powerful 18V systems with high pressure are ideal. For occasional DIY jobs, a more compact model may be all you need. Battery compatibility, maximum pressure and ease of handling are the key factors. Our comparison will help you choose.
Those days of straining your hands to empty a grease cartridge are over. A cordless grease gun does the hard work for you, delivering consistent, precise pressure to make greasing faster, cleaner and easier.
Our 2026 test and comparison will help you choose the right cordless grease gun from the wide range of models available. We cover the key buying criteria and take a look at selected models.
Table of contents
What are the benefits of a cordless grease gun?
The biggest advantage is freedom from cords. You don't need to be near a power outlet, so you can work outdoors or in hard-to-reach places. This is especially useful when servicing vehicles or machinery.
Just as important, a cordless grease gun reduces strain and is easier to handle. A manual grease gun takes considerable effort, which can quickly tire your hands and forearms. A cordless model pushes grease out of the cartridge with consistent force. You simply guide the tool and control the flow with the trigger.
The result is cleaner, more controlled application. Whether you're dispensing grease, silicone or construction adhesive, you can control the amount and pressure with precision. This helps reduce waste and produce a more professional finish.
Tip
If you've already invested in a particular cordless tool system, start by looking at models from the same manufacturer. You can use your existing batteries and chargers and save significantly on costs.
What should you look for when buying one?
Before you buy, consider the following points in light of how you plan to use the tool.
Voltage and battery system
Most cordless grease guns run on 18 volts, offering a good balance of power and ease of handling. Compatibility with your existing battery platform is often the deciding factor. A tool-only model is a cost-effective choice if you already own compatible batteries.
Maximum pressure
Maximum pressure is measured in bar or PSI. Pressure of 400 bar or higher is needed for demanding jobs on agricultural machinery or for clearing blocked grease fittings. For routine automotive work or jobs around the home, a lower-pressure tool is often sufficient.
Cartridge size and compatibility
Check that the gun accepts the cartridge sizes you need. A typical grease cartridge holds 400g. Compatibility with different cartridge materials, such as aluminium and plastic, may also matter.
Weight and handling
A lightweight, well-balanced grease gun is less tiring to use on longer jobs. Look for an ergonomic handle and an easy-to-reach control button.
Warning
Never use a grease gun for adhesive or other chemicals without cleaning it thoroughly first. Residue can react with the new material or damage the seals. The same goes the other way: clean a tool used for silicone thoroughly before using it with food-grade grease.
Selected models compared
We took a closer look at several models in the cordless grease gun category.
Here are the highest-rated cordless grease guns in our range:
| Model | Customer rating | Availability |
|---|---|---|
| 18 Volt Li-Ion cordless grease gun AKP2-18 - with battery and charger - 🏆 Test winner | ★ 4.8 (12) | In stock |
| 18 V Li-Ion cordless grease gun AKP2-18 - without battery and charger | ★ 4.9 (8) | In stock |
| 18 V Li-Ion cordless grease gun AKP18 - without battery and charger | – | Currently unavailable |
| Fritz Göbel one-handed grease gun 4500 PSI - 400g cartridge/loose grease | – | Currently unavailable |
| Fritz Göbel grease gun with short hub connection 4500 PSI - 400g cartridge/450g grease | – | Currently unavailable |
For professionals looking for a complete kit, the is an excellent choice. It includes a battery and charger, so it's ready to use right away. Its 18V performance delivers impressive results on demanding jobs.
If you already have compatible 18V batteries, the is an efficient, cost-effective alternative. It offers the same performance as the complete kit, without making you pay for batteries twice.
The right accessories are essential for safe, precise greasing. The special coupler creates a secure connection between the gun and grease fitting, helping prevent slipping and leaks.
How to use a cordless grease gun
The illustration below shows how to use a cordless grease gun when servicing a vehicle. It highlights the freedom of cordless operation and an ergonomic working position.
How do you use a grease gun correctly?
First, fully charge the battery. Remove the seal from the cartridge tip, open the back of the gun, and insert the cartridge. Make sure it sits straight and securely in the barrel.
Screw the appropriate fitting onto the cartridge tip or the gun's threaded connection. Place it over the grease fitting you want to lubricate. Press the trigger in short bursts until grease comes out of the fitting. Stop as soon as fresh grease begins to emerge around the seal.
Note
If the grease is very thick or the temperature is cold, warming the cartridge slightly beforehand can help (do not heat it above 40°C). This helps the grease flow and reduces strain on the gun's motor. Avoid open flames and extreme heat.
Which grease gun accessories are useful?
Buying a cordless grease gun is often just the first step. The right accessories expand its uses and make it easier to handle.
- Adapter sets: A set with different grease fitting adapters covers most standard applications. Look for a secure fit and durable construction.
- Extension hoses: Long, flexible hoses help you reach hard-to-access grease fittings without awkward positioning.
- Cleaning tools: Special needles or brushes for cleaning the fittings and gun after use can significantly extend their service life.
- Carrying case: Protects the tool and keeps the gun, battery, and adapters together in one place.
How to maintain your grease gun for a longer service life
After each use, clean the tip and attachments with a lint-free cloth. If needed, remove dried grease with a suitable solvent that will not damage the seals.
Store the tool with the cartridge removed. Check the piston seals and connection threads regularly for cracks or damage. Keep the gun in a dry place. Lubricate moving parts occasionally with a light grease.
Conclusion: Choose the right cordless grease gun
Choosing the best cordless grease gun starts with thinking about how you plan to use it. For frequent professional use, it is worth investing in a powerful 18V kit that includes a battery. DIYers who already own compatible batteries can save money with a tool-only option.
Don't overlook the accessories. The right fittings are just as important as the grease gun itself. Invest in a quality adapter set and keep the gun clean. That way, your tool will last longer, save you the effort of manual greasing, and deliver more precise results.
Whether you service cars, lubricate farm equipment, or work on construction projects, a good cordless grease gun is an investment in efficiency and quality. It saves time and effort and belongs in every ambitious tradesperson's tool kit.
Frequently asked questions about cordless grease guns
- Can I use batteries from other brands with a cordless grease gun?
- Generally, cordless grease guns work only with batteries from the same manufacturer or compatible battery platform. Check whether you already own batteries from a particular platform to help keep costs down. The product description will specify battery compatibility.
- What are the benefits of a cordless grease gun compared with a manual model?
- The main benefits are less effort and consistent, controllable pressure. A manual grease gun takes considerable force to operate, which can be tiring when servicing multiple grease fittings or working with thick grease. A cordless model delivers steady pressure at the push of a button, making the job more precise and less strenuous.
- When do you need a grease gun with pressure over 400 bar?
- Very high pressure is useful for clogged or heavily contaminated grease fittings, such as those on heavy construction equipment, farm machinery, or truck axles. For routine maintenance on car bearings, off-road vehicles, or boat trailers, a lower-pressure model is often enough.
- Do I need special attachments for my grease gun?
- Yes. Choosing the right attachment is essential for good results. Different grease fitting adapters are available for different fitting types. The wrong attachment can leak or damage the fitting. Make sure your grease gun works with standard adapter sets or specialized tool accessory ranges.
- How should I store and maintain my cordless grease gun?
- Store the tool clean and dry, with the cartridge removed. Clean the nozzle thoroughly after each use to keep grease from drying on it. Charge and store the battery according to the manufacturer's instructions. Check the seals regularly for damage.