Greenworks Pro 80V vs. Kobalt 80V Cordless String Trimmer

Finding a good weed and grass trimmer can be quite a challenge. There is a lot to think about when you start shopping. You may have considered going with a gas-powered option, which is fine if you need a lot of power, don’t mind the fumes, and don’t mind a loud engine either.

However, if you need a decent trimmer that isn’t going to spit out fumes and make a lot of noise, you might want to go with a battery-powered option. Today we want to compare the Greenworks Pro 80V trimmer and the Kobalt 80V trimmer to see which one might be best for you.

Greenworks Pro 80V Review

The Greenworks Pro 80V is quite a versatile and powerful trimmer. First off, the Greenworks Pro 80V features a DigiPro brushless motor, which means that it comes with a decent amount of power, more than enough to power through grass, weeds, and even some very small bushes too. It has power equivalent to a 32cc gas engine. The motor is very long lasting and durable, plus highly efficient.

The Greenworks Pro 80V also comes with a split-boom design, which is important to note because this means that it can accept select attachments from gas-powered grass trimmers. The Greenworks Pro 80V comes with its own 14/16 inch string trimmer bump feed attachment, which is what you need for basic grass trimming.

What is really cool about the head and the feed is that it is a self-winding feeder. It’s an easy load head, one where it is also easy to pull the string out once you need more. What’s also important to note is that the Greenworks Pro 80V has a full 16-inch cutting path, which can cover a lot of ground with minimal passes, plus the feed is dual line, so you can really rip through grass with no problem at all.

What is also quite impressive about the Greenworks Pro 80V is that it has an ergonomic design. The motor and battery are placed in such a way, on top of the trimmer, which makes it very easy to hold. This trimmer is very well balanced, so you don’t fatigue too quickly while using it. On that same note, the Greenworks Pro 80V weighs just under 15 lbs. Another cool feature is the high and low speed variable trigger, so you can use the amount of power and speed that works best for your conditions.

Finally, when it comes to the battery life of the Greenworks Pro 80V, the battery and the charger are not included, which is a definite drawback. However, using a single fully charged 2 ah battery, you can get around 45 minutes of runtime out of it. In terms of runtime, this is what we would call mediocre.

Kobalt 80-Volt Review

The Kobalt 80-Volt trimmer is another good option, and it is fairly similar to the other trimmer we are looking at today, but it has a few differences too. First of all, the Kobalt 80-Volt trimmer  has a good deal of power, which is thanks to the high-quality motor, as well as the fairly strong battery.

When it comes down to it, you really shouldn’t have any issues getting through any thickness of grass. If the other option we looked at was equivalent to a 32cc gas engine, then the Kobalt 80-Volt trimmer has to be closer to around 40cc. Simply put, it’s a powerful option for some fairly heavy-duty jobs. The Kobalt 80-Volt trimmer has a brushless motor, which lasts longer than other types of motors and can deliver long-lasting power without breaking down anytime soon.

What you might like about the Kobalt 80-Volt trimmer is that it also comes with a 14- or 16-inch cutting path. You can choose to leave your cutting path at 14 inches for smaller applications, or if you need to cut a whole lot at once, the 16 inch cutting path is great.

The Kobalt 80-Volt trimmer also comes with a rapid reload feeder head, so you can easily load new line into it once the old line has worn out, and to feed more line out, all you have to do is use the bumper feature to quickly get more line when you need it. Keep in mind that the Kobalt 80-Volt trimmer comes loaded with 0.080 inch line, but it is also compatible with 0.095 inch line as well, for those heavy duty jobs that need tough line.

We also like how the Kobalt 80-Volt trimmer comes with a variable speed trigger, which means that you don’t waste power when you don’t have to. Now, the Kobalt 80-Volt trimmer weighs around 13 pounds, which you might recognize as being very lightweight. This lightweight design, combined with the specific placement of the battery and motor creates an ergonomic design

The other thing about the Kobalt 80-Volt trimmer which we want to mention has to do with the battery life. Unfortunately, this model also doesn’t come with the battery included, nor the charger. However, it is compatible with a 2.5 ah battery, which has a decent amount of power. On a single charge, the battery for the Kobalt 80-Volt trimmer can last for up to 60 minutes. It also comes with a battery life indicator to tell you when the battery life is starting to run low.

Greenworks Pro 80V Pros and Cons

Pros

  • Quite a durable and powerful machine
  • Lightweight and ergonomically designed
  • Variable speed trigger for precise power delivery
  • Brushless motor for a longer lasting design
  • Easy to use feeder head which allows for some gas trimmer attachments

Cons

  • Battery and charger not included
  • Could use some longer battery life
  • Finding replacement parts and spools is not easy

Kobalt 80-Volt Pros and Cons

Pros

  • Good battery life
  • Lightweight and ergonomically designed
  • Lots of power with a brushless motor
  • Very easy to start
  • Variable speed trigger
  • Easy to use line feeder head

Cons

  • Assembling it at first can be difficult
  • The required battery is actually quite heavy

Comparison Between The Greenworks Pro 80V And The Kobalt 80-Volt

Differences

Weight

What is a little deceiving here is that technically, the Greenworks trimmer is lighter than the Kobalt, but what makes the difference is that the Kobalt has a much heavier battery, so the Kobalt ends up being a bit heavier than the Greenworks trimmer.

Battery Life

Another difference between these two trimmers is that the Kobalt trimmer has a better battery life. It can last for up to 60 minutes on a single charge. This is compared to the Greenworks trimmer, which lasts for only 45 minutes, which is mediocre at best. On that same note, the Kobalt trimmer comes with an onboard battery life indicator, which the Greenworks trimmer doesn’t.

Trimmer Head

The Greenworks trimmer features a self-winding head, and it makes the string a bit easier to load than with the Kobalt trimmer.

Power

Due to the fact that the Kobalt trimmer uses a bigger and slightly more powerful battery, it  delivers a bit more power than the Greenworks trimmer, although the difference here is fairly negligible.

Attachments

In terms of attachments, the Greenworks trimmer can accept attachments from various grass trimmers, gas-powered trimmers, which is not the case for the Kobalt.

Similarities

Ergonomic Design

Both the Greenworks and the Kobalt trimmer feature an ergonomic design which makes them well balanced and easy to hold for prolonged periods of time.

Brushless Motor

Both of these grass trimmers feature a fairly powerful, durable, and reliable brushless motor. They are designed to last and to be very energy efficient too.

Easy Start System

Both the Kobalt trimmer and the Greenworks trimmer feature an easy push start system. All you have to do with both of these trimmers is push a button and they are ready to go.

Adjustable Cutting Width

Both these trimmers feature an adjustable cutting width from 14 to 16 inches. It’s quite convenient when you can work in both tighter and larger spaces with ease.

Accepting Line

Both thee Kobalt and the Greenworks trimmer allow for 0.080 inch and 0.095 inch line to be used.

Best Uses for These Trimmers

At the end of the day, both these trimmers are quite similar, but they do have some differences. If you need a lightweight trimmer with decent durability, one that is user-friendly, and can accept various attachments, the Greenworks is probably the better option for you. However, if you need something a bit more heavy duty and with more power, you might want to go with the Kobalt model, although it cannot accept attachments from other trimmers, and the battery is quite heavy.

Conclusion

Now it is up to you to make the choice. As you can see, one of these trimmers is a bit more long lasting than the other. The Kobalt has about 15 minutes more battery life with the standard battery, making it better for larger jobs. On the other hand, the Greenworks trimmer can accept differing attachments. These two things are really the only differences which you have to consider.

Greenworks Pro 80V FAQ

Is the Greenworks Pro 80V only compatible with a 2 ah battery?

The Greenworks Pro 80V also functions with a compatible 4 ah battery, which is nice if you need more power and a longer runtime, but of course, a bigger battery is also going to cost you more money.

What is the line diameter which the Greenworks Pro 80V can accept?

The Greenworks Pro 80V  already come spooled with 0.080 inch line, but if you need line that is going to last longer and cut through thicker materials, you can also use 0.095 inch line with it.

What gas trimmer attachments can be used with the Greenworks Pro 80V?

The Greenworks Pro 80V is compatible with various attachments from brand names including Ryobi, TrimmerPlus, and Poulan.

Does the Greenworks Pro 80V have a bump feed?

Yes, the Greenworks Pro 80V has a bump feed system, which means that feeding new line through the head is about as easy as it gets.

Kobalt 80-Volt FAQ

What is the recommended line size for the Kobalt 80-Volt trimmer?

The recommended line size for this thing is 0.080 inches, but it also works fine with 0.095 inch line as well.

Does the Kobalt 80-Volt trimmer accept attachments?

No, unfortunately, the Kobalt 80-Volt trimmer  not accept any other attachments, just the included grass trimmer head.

Does the Kobalt 80-Volt trimmer accept new and old batteries?

What is nice about the Kobalt 80-Volt trimmer is that it can accept the old generation of 2 ah batteries as well as the newer generation of 2.5 ah batteries.

How do you start the Kobalt 80-Volt trimmer?

All you have to do is to push a single button. It really  not get any easier than that.

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