10 Best Cordless Electric Grease Guns [ 2020 Reviews ]

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The quality of your work significantly depends on the tools you use to do your projects. From small shops to large stores, most of the garages or workshops own grease gun. This handy tool aids you to put in grease inside your machines' engines.

Finding a grease gun from multiple choices is artful. Luckily, after testing dozens of grease guns, we have come up with 10 best cordless grease guns or battery-powered grease gun. We have also picked the DEWALT 20V MAX Cordless Grease Gun as our expected winner.

Our Top 10 Cordless Grease Guns Comparison

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DEWALT 20V MAX Cordless Grease Gun

Weight: 14.8 pounds

Dimension: 23.5 x 4.31 x 13.38 inches

Power Source: Battery-Powered

Warranty: 3 year limited warranty

OUR PICK

Milwaukee 2646-22CT M18 18-Volt Lithium-Ion Cordless Grease Gun

Weight: 18.1 pounds

Dimension: 4.9 x 24.5 x 13 inches

Power Source: Cordless

Warranty: 5 Years

BEST CHOICE

Lincoln Lubrication 12 Volt Cordless Grease Gun

Weight: 0.01 ounces

Dimension: 24 x 20 x 4 inches

Power Source: Cordless

ALSO GREAT

Milwaukee 2446-20 M12 12-Volt Cordless Grease Gun

Weight: 7.2 pounds

Power Source: Cordless-electric

Warranty: 5 Years

Lincoln 18V BATTERY OPERATED GRESE

Weight: 0.01 ounces

Dimension: 23.1 x 14.5 x 4.25 inches

Power Source: Air Powered

Warranty: Repair Only

Workforce MEGA POWER 12V Battery Operated Grease Gun

Weight: 1.6 ounces

Dimension: 14.5 x 3.75 x 16.5 inches

Power Source: Battery-Powered

Milwaukee M12 Cordless Lithium-Ion Grease Gun

Weight: 8 pounds

Power Source: Cordless-electric

Warranty: 5 Years

Lumax LX-1175 12V Cordless Grease Gun

Weight: 10.43 pounds

Dimension: 4.19 x 18.25 x 14.38 inches

Power Source: Battery-Powered

Milwaukee Electric Tool M18 Grease Gun Kit

Weight: 17.2 pounds

Dimension: 24.5 x 4.9 x 13 inches

Power Source: Cordless

Warranty: 5 Years

Lincoln Lubrication 12 Volt Cordless Rechargeable Grease Gun

Weight: 15 pounds

Dimension: 23.5 x 4 x 20 inches

Power Source: Cordless

Warranty: 1 yr warranty on material and workmanship

Top 10 Battery-Powered Grease Gun Reviews in 2020

After taking a look at the best cordless grease gun forum, we have come up with the top 10 grease gun which can give tough competition.

1. DEWALT MAX 20V Cordless Grease Gun

DEWALT MAX 20V Cordless Grease Gun

The Dewalt battery-powered grease gun is a great tool to save your time for greasing vehicles. It worth every penny to provide huge relief on tired hands while doing precise jobs. You won't struggle to reload the grease even for most stubborn equipment.

Specification:

  • Weight: 14.8 pounds
  • Dimension: 23.5 x 4.31 x 13.38 inches
  • Power Source: Battery-Powered
  • Warranty: 3 year limited warranty

Key Feature:

Powerful Motor: The powerful motor can work quickly and efficiently to deliver 10,000 up to psi. After pulling the trigger, it starts to raise pressure to generate power for pumping grease out.
Prolonged Run time: With a single charge, you can run the machine up to 16 cartridges which are enough for any small or medium workshop.
Long Flex Hose: It comes with 42 inches’ flexible hose which can reach hard spots easily.
LED Light: With powerful LED light, you can do your job precisely in low-light areas.

Innovative Pump Filter: The machine comes with an effective filter to clean your pump apparatus from dust or any kind of impurities.

Why We Like It:

  • Easy to use
  • Long-lasting battery life
  • LED light
  • Delivers grease promptly
  • Speeds up machines
Milwaukee 2646-22CT Cordless Grease Gun

The Milwaukee battery-powered grease gun is a solid greasing tool that you can use for large volumes of grease. This handy equipment is suitable to use for small or large machinery. Besides, you don't have to push high pressure as it works automatically.

Specification:

  • Weight: 18.1 pounds
  • Dimension: 4.9 x 24.5 x 13 inches
  • Power Source: Cordless
  • Warranty: 5 Years

Key Feature:

10,000 PSI: The 2-speed grease gun provides optimum pressure up to 10,000 PSI. It comes from two different flow rates. So you can use either 10 ounces or 3.5 ounces per minute based on the size of the vehicles.
48 Inches Hose: With 48 inches’ hose, you can reach tough areas easily even if the base is located further away. Plus, the hose has double protection as it includes spring guards on each end side.
On-board LED Light: As most of the parts of vehicles are lack of sunlight, a bright LED light makes your greasing job easier without making any mess.

Long-lasting Battery: You can fill up 10 grease cartridges per charge without any battery drainage in between the use.

Why We Like It:

  • 48 inches long hose
  • 5-year warranty
  • 10,000 PSI
  • Great for heavy equipment
  • Double battery
Lincoln Lubrication 1244 Cordless Grease Gun

If you are planning to upgrade your grease gun, then this dedicated, advanced grease gun is hard to ignore. Unlike a manual grease gun, it can provide rapid and consistent grease flow with its powerful motor.

Specification:

  • Weight: 0.01 ounces
  • Dimension: 24 x 20 x 4 inches
  • Power Source: Cordless

Key Feature:

12-volt motor: With a sturdy motor, you can consistently and speedily deliver grease on your vehicles. You can use a maximum of 7000 PSI which is enough even for large-size vehicles.
Recharge Battery: The rechargeable high-capacity battery allows users to work freely without needed to plug in the cord. So you will high mobility while working several hours without any disruption in lubrication. Besides, if you find the battery is dead, you can start using it while charging it.
Protective case: The grease gun comes with a protective metal case which ensures all the parts are safe inside it. The case not only looks gimmick but also highly durable.

2" needle bearing final drive: The tool comes with 2" needle bearing final drive which can handle heavy loads. Furthermore, it helps to sufficiently lubricate cars and function efficiently.

Why We Like It:

  • Powerful 12-volt motor
  • Safeguarding durable case
  • 12-volt Ni-Cad rechargeable batteries
  • Easy to use
Milwaukee 2446-20 M12 Battery-Powered Grease Gun

Grease guns are necessary whether you are lubricating bearings or grease fittings. However, the grease gun is well-balanced and a breeze to prime.

Specification:

  • Weight: 7.2 pounds
  • Power Source: Cordless-electric
  • Warranty: 5 Years

Key Feature:

Compact Design: This grease gun is lightweight and weighs only 7.2 pounds. And it is 14 inches long. When you pull the trigger, the motor begins in a ramping fashion which allows you to delicately meter the grease into the work.
Comfortable Handle: You won't face much issue while greasing your vehicles because it has a convenient designed handle. So your hands won't get tired or painful even after working a few hours continuously.
8000 PSI: It is powered by a motor that delivers 8,000 PSI. On a full charge, it can dispense seven tubes of grease. With less effort, the gun can produce high pressure which is perfect for worn kingpins.

Cordless Usage: With one full charge, you can use this cordless machine for 30 minutes without any disturbance.

Why We Like It:

  • Compact Design
  • Easy to handle
  • Performs consistently
  • Only 7.2 pounds in weight
  • Delivers 8,000 PSI
Lincoln Battery-Operated 18V 1844 Grease Gun

If you are doing a lot of greases daily, then the Lincoln 1844 Grease Gun can be a suitable option for you. This high-quality grease gun comes with everything that you are craving for. Its well-built case ensures all the parts of the machine are safe inside it.

Specification:

  • Weight: 0.01 ounces
  • Dimension: 23.1 x 14.5 x 4.25 inches
  • Power Source: Air Powered
  • Warranty: Repair Only

Key Feature:

7000 PSI: This grease gun comes with a two-speed design that provides the unsurpassed result and maximum 7000 PSI. Plus, two-speed modes allow users to choose either huge volume or high speeds based on your requirements.
High Capacity Battery: Its 18V powerful battery can provide up to 10 cartridges with a single charge.
Heavy-duty Motor: The motor is quite powerful to show consistent performance for optimal greasing.

Sturdy Body: The grease gun has superior quality body design to ensure high durability. In addition, you can move it easily as it is lightweight.

Why We Like It:

  • Ease of operation
  • 2-speed transmission
  • High-strength composite body
  • Dual overload protection
  • Heavy-duty high-torque motor
Workforce Battery-Operated Mega Power Grease Gun

This grease premium-quality grease gun comes from the Legacy brand. It is made from die-cast material to ensure durability. Besides, your grease work will be more enjoyable and accurate with it. The cartridge of the grease gun can hold 14-oz of grease at a time.

Specification:

  • Weight: 1.6 ounces
  • Dimension: 14.5 x 3.75 x 16.5 inches
  • Power Source: Battery-Powered

Key Feature:

Robust Motor: The 12V motor includes a worldly gear drive to modify the power or speed. Plus, it can deliver a maximum of 6,000 PSI working pressure.
Stroke Counter: With the stroke counter, you can easily take a guess how much grease you have loaded. So you won't need to worry about over-grease on some types of fittings.
30-inch Hose: The 30-inches flexible hose will help you to get hard-to-reach areas easily. Besides, you can move the hose from different angles based on your working environment.
Cordless Power: You can run the grease gun 30 minutes per charge. The battery only needs 1-hour to fully charge it.

Interchangeable Parts: The grease gun is equipped with interchange parts. So whenever any parts are broken or damaged, you can replace it at a lower cost.

Why We Like It:

  • Interchangeable parts
  • 6000 PSI
  • Heavy-duty construction
  • Barrel mode
  • Simple to use
  • Extremely Durable
Milwaukee 2446-21XC M12 Grease Gun

If you are looking for a budget-friendly grease gun with a rugged design, then the Milwaukee 2446-21XC M12 Grease Gun is a decent option to consider. When you switch on the machine, it speedily delivers grease on many greasing points without any disruption.

Specification:

  • Weight: 8 pounds
  • Power Source: Cordless-electric
  • Warranty: 5 Years

Key Feature:

Solid-Body: Its solid body will stay damage-free while bearing a heavy workload. It will show the rapid work of greasing all of the fittings on whether it truck or trailers.
Strong Motor: The strong 12V motor can deliver 8,000 PSI maximum operating pressure without making much noise. Its operating pressure is 25% percent higher than other grease guns.
Quick Charge: Only 30 minutes is required to fully charge the battery. It releases a decent amount of greases in every minute. With a single charge, you can work on 7 cartridges. As it is cordless, there is nothing to worry about working on restrictive cords.

Workable Hose: You can handle the machine effectively with its ergonomics design and perfect balance. Plus, the unified hose storage allows users to keep it safe after finishing the work.

Why We Like It:

  • User-friendly design
  • LED lighting
  • 8000 PSI
  • Lightweight
  • Better fitting capacity
Lumax LX-1175 12V Cordless Grease Gun

Mechanical professional searching for a mid-range grease gun, then this model can be an ideal option for you. It can precisely deliver lubrication without disruption. Plus, you won't be disappointed like other grease guns that fail to provide consistent lubrication.

Specification:

  • Weight: 10.43 pounds
  • Dimension: 4.19 x 18.25 x 14.38 inches
  • Power Source: Battery-Powered

Key Feature:

Slip-resistant Handle: The Lumax grease gun comes with a non-slip grip which prevents slipping into working more effectively and comfortably.
High flow rate: The unit has a decent flow rate which is 3. 5 oz per minute. So it can load a lot of grease within a few minutes. With a single charge, you can fill up 5 cartridges of lubricant.
Protective Body: Lightweight yet durable, this machine is covered with robust material to ensure durability. Plus, it includes a chrome-plated barrel for optimal safeguard against decomposition.

Compact Carry Case: Its protective carry case allows users to carry its workplace freely without needing any extra bag. Plus, all the parts can effectively fit inside the box.

Why We Like It:

  • Non-slip grip
  • Compact carry case
  • High flow rate
  • 1500 mAh battery
  • Chrome-plated body
Milwaukee 2646-21CT M18 Grease Gun Kit

If you do service or maintenance jobs on different vehicles, then this model can be a great assistant for your work. It is a game-changer for your lubrication job as it comes several rich in features. It can deliver an ideal amount of lubrication even on most stubborn grease fittings.

Specification:

  • Weight: 17.2 pounds
  • Dimension: 24.5 x 4.9 x 13 inches
  • Power Source: Cordless
  • Warranty: 5 Years

Key Feature:

10,000 PSI: The unit can deliver up to 10000 PSI which is enough for any medium or high range vehicles. It has an incorporated priming lock apparatus for a high flow rate. You can fill up 10 oz lubricant in every minute. It will provide full control of grease flow to grease on heavy equipment competently.
Long-lasting Battery: You can fill up 5 or 6 tubes of grease with one battery. Plus, you won't face any issue while replacing the tube. The battery charges up quickly to save your time.
48 Inches Hose: The machine comes with 48 inches’ flexible hose which can reach hard fitting areas smoothly from various angles. Plus, the hose includes a spring guard to keep it safe from damage.

Multiple Speeds: You can run the gun at low or high speed based on your work environment and the equipment you are greasing.

Why We Like It:

  • Maximum flow rate
  • Effortless to use
  • Adjustable flow rate
  • 10000 PSI
  • East to assemble
Lincoln 1242 12V Grease Gun

A professional workman always needs a powerful grease gun which can provide consistent grease flow. The Lincoln grease gun delivers easy grease experience without any mess. Its well-balanced design makes it stand out from other grease guns.

Specification:

  • Weight: 15 pounds
  • Dimension: 23.5 x 4 x 20 inches
  • Power Source: Cordless
  • Warranty: 1 yr warranty on material and workmanship

Key Feature:

6,000 PSI: With a powerful motor, it delivers a decent amount of grease per minute. Whether you are greasing on cars, tractors, planes, or other equipment, the machine can handle maximum 6000 PSI with no disruption.
User-friendly Design: The grease gun is a great choice for users because of its user-friendly features. So it will give optimal support and full control to grease your machinery in an effective process.
12-volt NiCad battery: Its high capacity battery can run smoothly for a long time. You won't feel tired or pain while operating the gun. You should be relaxed with the power as it is a cordless grease gun.

Additional accessories: It comes with one extra battery and two optional grease cartridges in a custom carrying case to help you in case of urgent works.

Why We Like It:

  • Sturdy and durable
  • Easy to operate
  • Powerful 12-volt motor
  • Well-built design
  • Additional accessories

Things to Consider Before Buying a Cordless Grease Gun

Choosing a grease gun from thousands of options might be tricky. Because not all the grease gun can deliver an ideal of grease glow rate professionally. The quality may vary from one unit to another.

You should choose a grease gun according to your requirements. That's why we are mentioning a few crucial that you must consider before purchasing a grease gun.

PSI

Your grease gun should have the capacity to go through the obstruction, which makes flow difficult. Dust, aged grease, concrete can block the components of your machine. So choose a decent grease gun that can step forward to overcome the obstructed fittings. Normally, the PSI scale should be 4500 to 10,000.

Batteries

A high volt powerful battery helps your grease gun to run smoothly. It fades away the problem of requiring a power source all time. So you can move the machine as close as your vehicle allows without any restriction of a cable.

There are a couple of batteries available in the market like Lithium-ion batteries, Ni-Cad battery, etc. However, the Lithium-ion battery runs more smoothly with less battery drainage than the Ni-Cad battery. Nevertheless, you can use a Ni-Cad battery as there are quite inexpensive.

Output

The medium outflow is better for a grease gun. High outflow may damage the seal and destruct the mechanism of your machine. On the contrary, low outflow won't be able to prevent the blockage of the fittings. Or, it may require more time to clean up the blockage.

Lube Meter

Lube meter allows users to see the amount of grease you will need for your machinery. This helps you to decide an ideal amount for your grease gun and prevent wasting any grease.

Run Time

Choose a grease gun that can deliver 2 to 20 cartridges for every single charge. If it doesn't have enough capacity to load the cartridges, then you have to stop your work to charge the grease gun.

Hose

The hose of the grease gun should be flexible and long enough to work on hard to reach spots. Plus, it should be adjustable enough to use it from different angles.

Conclusion

As a professional workman, you have your own choice to decide on which type of grease gun you should. However, never compromise the quality to ensure high longevity and consistent performance. Fortunately, we have chosen the 10 best cordless grease gun after conducting and testing dozens of grease guns.

We can ensure you that any of them won't disappoint you considering various features. To make your task easier, we have picked the DEWALT 20V MAX as our champ which can tough competition for any grease gun.

Frequently Asked Questions (FAQs)

Why should you invest in a grease gun?

Answer: A high-quality grease gun decrease wastages, increase saturation, improves machines durability, and helps to achieves greater accuracy and speed.

What are cordless grease guns used for?

Answer: Cordless grease guns are mainly used for lubricating your machinery. It’ll provide constant lubrication and also save a lot of time.

How much is a shot of grease?

Answer: The shot of a grease gun refers to the amount of grease that came out when you pump it. However, the quantity varies depending on models. However, it mainly between 0.1 ounces to 2 or 3 grams.

What is grease made of?

Answer: Most of the grease is made of soap and inedible lard that is amalgamated with either mineral or vegetable oil. It also includes a few amounts of free fatty acids.


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