The Best Battery Powered Grease Gun [Top 6 Picks] of 2021

best battery powered grease gun

Smooth and efficient operation of vehicles and other machines depends a lot on proper lubrication. Many people think that lubricating is messy and irritating work. But it is only with the improper grease guns.

Grease guns are getting smarter and smarter day by day with modern technologies. Now grease guns are not only made to lubricate bearings, automotive parts, and fittings, but also they are responsible for making the lubricating task hassle-free.

Characteristically, the best battery powered grease guns are efficient enough in delivering an effective lubricating result. They are eligible to let you finish a lubricating task within the shortest possible time.

From a wide variety of available grease guns in the market, picking the cordless item is stressful. The good news is that we did the initial research, consulted with the experts, and came up with a list of 6 battery grease guns. We also prepared a buying guide and FAQ section, which will help you understand the selection process.

Let’s start exploring.

Quick Comparison of 6 Best Cordless Grease Guns

ProductKey SpecificationsMore Info
Dewalt Grease Gun 20V MAX Cordless DCGG571M1​
Dewalt DCGG571M1​ Grease Gun
Weight:  14.8 lbs.
Pressure: 10000 psi
Hose Length: 42"
Voltage: 20V
Price
Milwaukee Cordless Grease Gun 2646-20 M18 2-Speed Bare Tool
Milwaukee 2646-20 Grease Gun
Weight:  7.6 lbs.
Pressure: 10000 psi
Hose Length: 48"
Voltage: 18V
Price
3. Lincoln Electric Grease Gun 1242 12-Volt Cordless
Lincoln 1242 Grease Gun
Weight:  15 lbs.
Pressure: 6000 psi
Hose Length: 30"
Voltage: 12V
Price
Milwaukee Cordless Grease Gun 2446-21XC M12 Cordless 12-Volt Lithium-Ion​
4Milwaukee 2446-21XC Grease Gun
Weight:  8 lbs.
Pressure: 8000 psi
Hose Length: 36"
Voltage: 12V
Price
Alemite Grease Gun 596-B1 20-Volt Lithium-Ion 2-Speed Cordless with LCD​
Alemite 596-B1 Grease Gun
Weight:  15.2 lbs.
Pressure: 10000 psi
Hose Length: 36"
Voltage: 20V
Price
Milwaukee Grease Gun 2646-22CT M18 18-Volt Lithium-Ion Cordless 2-Speed
Milwaukee 2646-22CT Grease Gun
Weight:  18.1 lbs.
Pressure: 10000 psi
Hose Length: 48"
Voltage: 18V
Price

Top Rated 6 Grease Guns Detail Reviews

First, let’s have a look at some of the best grease guns available on the market and then move on to exploring a few features that you must look for in your grease gun to work excellently and be your companion for a long time.

So, let’s get started.

1. DEWALT DCGG571M1 20V Cordless Grease Gun

grease gun

Pressure: 10000 psi
Hose Length: 42″
Voltage: 20V

The DEWALT DCGG571M1 20V Cordless Grease Gun is a popular mini grease gun because of its powerful nature. Its working pressure is 10,000 PSI since it is equipped with a powerful motor. As a result, it is eligible to do heavy-duty tasks with ease.

The pump delivers 5 oz grease in a minute. Thus, handling any task quickly is a special characteristic of this grease gun. A lithium-ion battery powers the cordless tool. And the good news is that the battery is rechargeable. It has extended run time, and you can grease up to 16 cartridges/charge.

The hose length is 42,” and it is flexible. A long hose means you are allowed to grease in the hard-to-reach areas quite comfortably. Moreover, the hose is protected from pinching because it consists of a handy clip in it. Dirt and contamination can’t build up into this device due to its unique filter inside it, which means it doesn’t require much maintenance.

The construction of the tool is great, and it will satisfy you. Since it will help you do hardcore projects, it is durably made. Glass fiber reinforced plastic is used to make the shell. And the fasteners are also well-constructed, which gives it a rugged look. It has a bright LED light that allows you to work under low light conditions.

What We Liked Most:

What Could be Better:

2. Milwaukee 2646-20 M 18 2-Spd Grease Gun

grease gun

Pressure: 10000 psi
Hose Length: 48″
Voltage: 18V

Milwaukee is a well-known brand for manufacturing tools with precision. This Milwaukee 2646-20 M 18 2-Spd Grease Gun is also no exception. The flow rate is 10 oz/min from the powerful 10,000 PSI motor makes it a truly outstanding grease gun for handling large jobs.

The unique feature of the grease gun is the pre-set counter dial. Most of the time, when greasing any automotive parts, people use a large amount of grease unnecessarily. To help you reduce unnecessary use, the pre-set counter dial allows you to use the right amount of grease. Working with it becomes much easier for beginners due to this feature.

It is designed to deliver professional-grade results. For this reason, it is powered by an 18V battery. Also, it consists of a 48” hose, long enough to let you grease in the toughest corners. Additionally, it is a lightweight tool that you will never feel hand fatigue when working for an extended period. Moreover, its air bleeder valve helps you for quick priming.

Lock-on/off trigger is another worth mentioning feature of this grease gun. Once you pull the trigger, it continues to deliver the grease until the trigger is released. Also, note it has two different delivery speeds, one for volume and the other for high pressure. Isn’t it amazing? It is one of the best battery grease guns that you will never regret buying.

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3. Lincoln Lubrication 1242 12 V Cordless Mini Grease Gun

grease gun

Pressure: 6000 psi
Hose Length: 30″
Voltage: 12V

The Lincoln Lubrication 1242 12 V Cordless Grease Gun comes with an extreme mobility feature. It is equipped with a rechargeable battery that is promised to deliver long time performance.

Refilling the tool is much easier compared to other grease guns. With its 3-way loading feature, you can refill it quickly. It runs with a 12V NiCad rechargeable battery. The best things are: a 110V fast charger and a customized carrying case with 1 additional slot for battery; 2 cartridges are available with the purchase.

Its operating pressure is fantastic at 6,000 PSI. The flexible 30” hose allows you to reach the less accessible areas comfortably. A standard 14-ounce grease cartridge can easily be accommodated with it. It also can be loaded by a grease pump. The chance of motor damage is utmost less in this grease gun because the spring guard protects the motor.

The design will satisfy you for sure. It is much more effective than manual grease pumps, and you can accomplish both automotive and household greasing tasks with it. It delivers consistent performance, and all other features make it a good quality grease gun for professional use.

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4. Milwaukee 2446-21XC M12 Cordless Gun Grease

grease gun

Pressure: 8000 psi
Hose Length: 36″
Voltage: 12V

This is the 2nd product from the manufacturer Milwaukee, and it offers brilliant productivity. Working with it is much more comfortable than other grease guns because it has a handle that helps to hold the gun conveniently when working on larger projects.

It is full of outstanding features to deliver you the best result. The design is similar to a basic hand-pumped grease gun, but it is battery powered. With its powerful 12V motor, you will get a maximum operating pressure of 8,000 PSI. Its run time is best in its class dispenses up to 7 cartridges/charge.

Included hose storage and LED fuel gauge reduces downtime and confirms users will get comfort when using it. It comes with a soft-sided canvas type case. When not in use, you can store it safely. Also, carry it from one place to another is effortless. The size of the grease gun is small so that you can keep it in your pocket too.

Compared to regular grease guns, it generates high pressure, delivers impressive productivity. Also, it is much versatile to handle a variety of tasks. Refilling grease in it is so simple. Unscrew the canister and put a new tube of grease in it, and put it together. You are all done with the refilling process.

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5. Alemite 596-B1 20V 2-Speed Cordless Grease Gun

grease gun

Pressure: 10000 psi
Hose Length: 36″
Voltage: 20V

The Alemite 596-B1 20V 2-Speed Cordless Grease Gun is one of the best-rated grease guns in its class. Why? It is designed with a 20V Lithium-Ion battery, and 10,000 PSI is its maximum pressure. Per-minute, it delivers 6-ounce grease. With its adjustable flow setting feature, the grease flow rate can be chosen between 4 oz. – 6 oz.

Its long-lasting battery performance will impress you the most. When operating at low speed, it can last 24 cartridges (maximum) and 23 cartridges (maximum) at high-speed settings. Grease loading becomes easier in it due to the automatically patented follower. You can fill it up using cartridges, by the pump, or in bulk.

The great thing is it is equipped with an LCD screen. The LCD screen displays a grease meter, a level indicator of the cartridge, and a battery’s capacity gauge. It displays the reading of grease gauge is in grams and ounces units. When any problem such as a low battery or less grease level is identified, the LCD screen turns red.

You can effortlessly grease in a dark area as it has LED light in it. The long lifespan of the battery and motor gets ensured because of the patented air-flow technology.

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6. Milwaukee 2646-22CT M18 Grease Gun Cordless

grease gun

Pressure: 10000 psi
Hose Length: 48″
Voltage: 18V

The Milwaukee 2646-22CT M18 Grease Gun Cordless is an ideal grease gun that greases small to large components. Impressive 10,000 PSI pressure is comparatively more than regular cordless grease guns. It has a variable flow rate of 3.5 oz/min, and 10 oz/min allows you to handle a wide range of greasing projects.

Its hose length will also impress you! It is 48 inches, which means you don’t need to worry about working in the toughest corner. With this long hose length, you can reach nearly any place. Grease guns are prone to get damaged in the strain relief area. But this grease gun is out of this problem. Both ends of the hose are surrounded by a double spring guard that ensures protection in strain relief points.

Similar to standard grease guns, it also has LED lights. It is a nice feature because you will not face problems to apply grease when you are out of the sunlight. You will also find markings in the built-in rod bar that will notify you regarding the barrel’s grease level. Additionally, the lock on and off feature will keep you away from a real mess when the grease gun is not in use.

Moving around with the device is so straightforward since it is lightweight. It includes shoulder straps, and the convenient handle makes it easy to use a grease gun. Last but not the least feature is, you will also get a multi-voltage fast charger upon buying the tool. And this charger can be used for different devices too. Pretty significant feature, isn’t it?

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Buying Guide – How to Buy an Ideal Battery Powered Grease Gun?

Buying a battery-powered grease gun requires study and research. If you buy it without research, you are leading yourself to buy a poor quality tool.

Read the below-buying guide not to make any mistake when buying the best battery powered grease gun.

Battery Capacity

Since you are buying a cordless grease gun, you have to learn how long the battery will support when used under maximum pressure. A powerful battery means it will be long-lasting with a single charge.

Also, know how much time does the battery take to get fully charged. Moreover, if the battery is rechargeable, look for the availability of the battery.

Safety

While working with any tool, safety should get the top priority. Grease guns are also no exception.

Made in the USA, EU, or Canada, grease guns strictly follow the safety standards. When buying, check the manufacturing country.

While your selected grease gun is manufactured out of these 3 regions, do’ forget to look at the fine print.

Every tool sold in the USA has to maintain minimum safety certification. Ensure that the tool maintains those safety standards, and you will get that information in the fine print.

Also, a safety lock is a unique feature of grease guns, which will not let your kid activate the tool mistakenly.

Durability

To learn about the grease gun durability, read the customer reviews of the product. You will get a clear idea in this regard.

Stainless steel and reinforced materials made grease guns provide long term service compared to others.

It would be best if you buy a battery power grease gun that comes with a warranty. The warranty period will let you feel worry-free about the quality of the product.

Pressure

High-pressure grease guns can effortlessly cover a larger area, while lower pressure grease guns will focus on accuracy.

If your project requires both high and low pressure, look for a pistol grip grease gun that comes with a variable pressure feature.

Accuracy

When accomplishing a household task with the best hand grease gun, accuracy is not the mandatory task. On the other side, professional projects require accuracy.

At this point, look for a power grease gun that comes with a hose. With the help of the hose, you can smoothly reach the toughest areas to grease. Also, you can aim in the right area to grease with this type of grease gun.

Frequently Ask Questions (FAQ) and Answers

How often do I need to grease my vehicle?

Every vehicle requires greasing at particular intervals. Generally, most vehicle lube points need to be greased approximately between 10,000 – 20,000 miles.

How to load a grease gun?

Following 2 different methods, you can load a grease gun. Inserting a cartridge and filling the barrel with grease are 2 effective methods.

Cartridge method:

  • First, the grease gun top needs to be unscrewed.
  • Then the empty cartridge needs to be removed.
  • Finally, take a new barrel and insert it.

While refilling can easily be done through the nozzle in most of the newer models. A few models also come with a special opening that helps you to load a grease gun. Refilling methods are clearly described in the instruction manuals of these kinds of grease guns.

How to store a grease gun properly?

To avoid bleeding and separation, it is advisable to store cartridge tubes in an upright position. Grease guns loaded with cartridges need to be cleaned using a soft cloth to eliminate contaminants and positioned horizontally.

Wrap Up

The best battery powered grease gun reduces operator fatigue and performs well when handling the different greasing project.

Most of the available power grease guns in the stores can fit themselves perfectly to large tasks. Additionally, taking safety precautions is necessary when dealing with grease guns.

Every grease gun comes with an instruction manual. Read the manual intently before working with your grease gun. And task assistance from it whenever you face any problem to operate it.

Which model did you choose to finish your greasing project? What characteristics do you need in your grease gun? Comment below.

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