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5 Best Cordless Grease Gun Reviews [2021 Experts Guide]


DEWALT 20V MAX Cordless Grease Gun

Brand: Dewalt
8 Pounds
‎20.63 x 9.94 x 4.81 inches
1 year


MILWAUKEE'S 2446-21XC Cordless Grease Gun

3.7 pounds
Warranty: 5 years


Ryobi 18V Volt Cordless Grease Gun P3410

Brand: Ryobi
8.48 pounds
21.5 x 9 x 5 inches

Use a high-quality grease gun to grease your industrial machines and a variety of required areas. Pick a tool for you to versatile grease. This guide will help people who are hesitant to buy a grease gun. As a general user, I think you need to know the pros and cons of buying a grease gun.

For your convenience and to give you an idea about the said tool, I will discuss the 5 best cordless grease gun reviews here. Also, to keep you safe and relieve your worries, we suggest you this reliable DEWALT 20V MAX Cordless Grease Gun.

5 Best Cordless Grease Gun Reviews in 2021

1. DEWALT 20V MAX Cordless Grease Gun – Editor’s Pick

This DEWALT MAX Cordless Grease Gun is integrated with a most powerful motor. In general, the Max Power Cleared Grease fitting in that motor can supply you power up to a maximum PSI of 10,000 PSI. Since it is a battery-powered grease gun, it has a high-volume pump attached to it. This high-volume pump pushes power into high-flow applications. In addition, it can deliver up to 16 cartridges per charge.

This grease gun will be able to control the gun accurately with a high-quality trigger. This grease gun has a bright LED for the user’s convenience and to deal with any adverse situation. With this bright light, you will be able to determine the fittings of any hard space easily. In particular, the grease gun has an innovative pump filter screen to prevent various types of contamination and dirt effectively.

Using this gun, you will be able to manage the activities you need perfectly. It is then made in an integrated no-morph foot design so that you can safely place it on any flat surface. Usually, the air-bleed valve that comes with it helps you to change the cartridge. It comes with an XR premium lithium-ion battery, fast charger, shoulder straps, kit box, etc., so that you can successfully handle the greasing process.


Powerful motor- It is made with a powerful motor capable of delivering power up to a maximum of 10,000 psi.

Prolonged run time- If you want, you will run the machine up to 16 cartridges with each charge.

Long Flex Hose- It comes with a 42-inch hose so you can easily reach hard spots.

LED lights- It comes with LED lights to illuminate your workspace.

What we liked

  • Made with a powerful motor.
  • Long leg socks are special.
  • LED lights adjusted.

What we didn’t like

  • There is a risk of sudden closure.

2. Milwaukee 2446-21XC M12 Cordless Grease Gun – Runner Up

This Milwaukee 2446-21XC M12 Cordless Grease Gun is capable of producing high pressure. It is capable of providing much more versatility than the cordless grease guns currently available on the market. In general, if you need 25% more pressure and run-time, you can use it frequently. Also, this sophisticated grease gun presses 8,000 psi for heavy-duty application. The battery of the Milwaukee gun can supply seven grease cartridges per charge.

Since this grease gun is made with a powerful motor, it is suitable for conducting a heavy activity. As it is lightweight, you will feel comfortable using it for a long time. Made with ergonomic handles, so there is no clutter in the tool when used. It has a hose, charger, and other accessories for the user’s convenience, including a shoulder strap loop. You can manage the greasing process using this gun in a very simple way.


10,000 PSI- The functional grease gun delivers power up to 10,000 PSI and is suitable for medium and large vehicles.

Long-lasting battery- It consists long and durable battery. Also, its battery is fully charged in a very short time.

48 Inch Hose- It has a hose attached to it to reach hard and narrow places.

Multiple speeds- It can provide multiple speeds depending on your work type and needs.

What we liked

  • A high-powered grease gun.
  • It is an effective tool.
  • There are various accessories.

What we didn’t like

  • It is extremely difficult.

3. Ryobi 18V Volt Cordless Grease Gun – Budget Pick

This Ryobi 18V Volt Cordless Grease Gun allows you to grease fitting strongly. It provides power up to a maximum of 10,000 PSI so that you can effectively operate the greasing process. Also, its maximum flow-rate is up to 7.5 oz. The flexible socks with this gun are special so that you can reach hard places strongly.

Pump the 19 grease cartridges it has on the charge. You will determine how much grease is in the barrel of this gun through the plunger rod marks. It provides power up to a maximum of 10,000 psi. Also, the light you have with your gun helps to illuminate your workspace.

The air bleed valve attached to it can prime the pump very quickly. The hose in the gun is very easy to store. Since the grease tube is made of steel, it is especially suitable for long durability. It has a lock-off trigger so that you can easily remove all types of garbage from the workspace.


10,000 PSI- This grease gun is capable of delivering power up to 10,000 PSI. It is suitable for handling all types of greasing process.

Long-lasting battery- The battery in it makes your grease gun suitable for long term use.

LED lights- It can illuminate your work spot frequently with the LED lights.

Special hose- You will be able to reach hard and narrow areas effectively through the hose in them.

What we liked

  • It has LED lights.
  • Able to grease strongly.
  • Provides long durability.

What we didn’t like

  • It’s a bit expensive.

4. Milwaukee 2646-21CT M18 Cordless Grease Gun

With this Milwaukee 2646-21CT M18 model grease gun, you can be greasing activities quickly. It has a 2-speed switch that provides high flow power up to 10,000 psi while operating the greasing process. Using this top grease gun, you will be able to conduct greasing activities very easily and fast. The LED lights in it illuminate hard places and help you to manage the cleaning process.

You can also remove stubborn stains by using the flexible socks that are special with that grease gun. It has a lock-on trigger that perfectly conceals your greasing marks. If the priming of your air bleed valve fails to work properly, check it.

It comes with a red lithium compact battery so that you can effectively handle the greasing activity. This grease gun also comes with a multi-voltage charger, carrying case, advanced socks special, spring guard, high-pressure grease coupler, shoulder straps, and other accessories that are very effective.


10,000 psi- This grease gun takes 10,000 psi pressure easily. Also, be able to use about 10 ounces of grease per minute.

48-inch hose- It comes with a 48-inch hose. It can easily reach difficult areas through use.

LED lights- If you need to grease your vehicle or anything else in the dark, you can use that light.

Long-lasting battery- Normally, you will be able to fill up these ten grease cartridges by simply charging without draining the battery.

What we liked

  • It can grease perfectly.
  • A powerful tool.
  • There is a multi-voltage charger.

What we didn’t like

  • You may not found a hard case with it.

5. Milwaukee 2446-20 M12 12V Cordless Lithium-Ion Grease Gun

Milwaukee 2446-20 M12 12V Cordless Lithium-Ion Grease Gun can speed up the work. This cordless grease gun helps to develop high pressure. This gives you versatility when conducting greasing activities. In general, it can apply up to 25% more pressure than the Grease guns available on the market. It is especially suitable for managing your heavy project work.

This functional grease gun produces power up to a maximum of 8,000 psi. Also, it allows you to supply seven grease cartridges on each charge. This is a lightweight grease gun, so it is suitable for long-lasting use with ease. It has hoses, shoulder strap loops, and other accessories attached to it to handle the greasing process effectively. This greasing gun can give you long run-time.


Compact design- This grease gun is lightweight and up to 14 inches long so that it can handle greasing activities perfectly.

Comfortable handle- Since it is made of a comfortable handle, you will not feel pain or fatigue in your hand.

8000 psi- It is powered by a powerful motor that provides power up to 8,000 psi.

Cordless usage- With a full charge, you will continuously use it for up to 30 minutes.

What we liked

  • Suitable for long-term use.
  • It is capable of providing versatility.

What we didn’t like

  • A low-quality grease gun.

What to Look for Before Buying Cordless Grease Gun?

Below I will describe the things to look for when buying a high-quality grease gun.


The importance of delivering high performance using a grease gun is immense. Generally, a grease gun with maximum PSI is suitable for removing all types of dust, dirt, and concrete components. For example, the PSI scale of a grease gun ranges from 4500 to 10,000. It would help if you chose a grease gun to overcome all the obstacles of the fittings and move forward with strength. Before you buy a grease gun, make sure it can deliver maximum PSI.

Cartridge Capacity

In general, users are reluctant to fill in the gaps when using grease guns in their industrial applications. Also, check the capacity of a grease gun and a cartridge to make sure it can deliver the cartridge for a long time. Most of the grease guns currently on the market have a capacity of 14 oz. cartridges. If you want to save a lot of greases, buy that 14 oz grease gun. Before you buy, choose a grease gun that has a lot of cartridge capacity. We would also recommend buying a grease gun that you will need to refill after a long period of continuous use.


Do you want to use a grease gun for a long time? If your answer is a yes indicator, check that the battery is high voltage before buying a grease gun. The durability of a grease gun depends on its battery. If you use a grease gun with a high voltage battery, you will operate the gun smoothly. Conversely, if you buy a grease gun made with a low-quality battery, it may be useless after a few days of use.

Generally, use a high voltage battery grease gun to get rid of your power source problems. The most efficient of all the different types of batteries available in the market is the Ni-Cad battery, which is also a bit more expensive. We recommend buying a high-quality grease gun to handle your greasing process. On the other hand, it is best to avoid low-quality battery-powered grease guns.

Run Time

Before buying, you should choose a functional grease gun capable of delivering at least 2 to 20 cartridges after each charge. Avoid if a cartridge fails to provide adequate power for loading. In this case, you need to stop the whole greasing process while charging the grease gun. Besides, the importance of its run time in managing the greasing process over a long time using the gun is immense.


The importance of hoses in conducting greasing activities using a grease gun is immense. So when buying that Grease gun, be sure about its hose. Generally, the hose of the grease gun should be longer to reach the hard places and the stains strongly. If you have already handled the greasing process, then you must be aware of the process of applying grease in tight spaces and solid corners.

Since there is no hose option for greasing in larger projects, grease different solid areas with a working hose, that hose should be compatible enough to use with a grease gun. If you want to use it to grease different machines, use the same hose with your grease gun in the same way.


All buyers desire to use a powerful and effective instrument like the grease gun for a long time. In general, users feel comfortable using it in the long run without any problems. Check the build components of a grease gun to be sure of its quality. Since there are currently different types of grease guns available, choose a better grease gun brand. We advise you to choose a grease gun that has a long warranty.

Final Thoughts

Use a powerful grease gun to grease anything. Choose a suitable grease gun to reach your narrow and difficult areas effectively. You can grease all kinds of things suitable for greasing with your machine with the help of a grease gun. In this article, we have already discussed five best cordless grease gun reviews in detail to increase the scope of your knowledge.

If you don’t have time to review all the products for some reason, you can check this DEWALT 20V MAX Cordless Grease Gun.

Frequently Asked Questions (FAQs)

How do you release a grease gun?

When you open the hard line of that grease gun, it will normally close by releasing the pressure.

How do you free up a stuck grease fitting?

You heat the clogged grease fittings and pins with a hit gun, then attach that grease song to it. Now by using it, you will be able to push and remove the old greases.

How often should I grease my ball joints?

If there are no holes, grease it on the ball joints every two years.

Related Posts:

3 Best DeWalt Grease Gun Reviews (2021 Top Picks)

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