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Greenworks PRO 16-Inch 80V Cordless String Trimmer (Attachment Capable), Battery Not Included GST80320

4.4 4.4 out of 5 stars 1,998 ratings

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16" Trimmer (Tool Only)

Purchase options and add-ons

Brand Greenworks
Power Source Battery Powered
Color 16" Trimmer (Tool Only)
Item Weight 13.62 Pounds
Cutting Width 1600 Inches

About this item

  • 80V STRING TRIMMER – powers through the toughest grass and weeds
  • 16" CUTTING PATH - .080" dual line, bump feed head for quick and easy line advancement
  • BRUSHLESS MOTOR – Provides more torque, quiet operation, and longer life
  • VARIABLE SPEED TRIGGER – allows you to control cutting speed on the go, so you can easily maneuver around plants and shrubs
  • ATTACHMENT CAPABLE – Compatible with Greenworks PAC458 (Edger), PAC459 (Hedge), PAC460 (Polesaw), PAC461 (Cultivator), and PAC462 (Blower) attachments
  • LIGHTWEIGHT / EASY TO USE – lightweight design, along with superior ergonomics allow for reduced user fatigue.
  • MAINTENANCE FREE – This string trimmer is virtually maintenance free, with no gas, no oil, and no emissions. It starts instantly, is quiet, and delivers to the power you need

Customer ratings by feature

Battery life
4.3 4.3
Easy to use
4.3 4.3
Maneuverability
3.9 3.9
Light weight
3.3 3.3

Frequently bought together

$154.85
Get it as soon as Tuesday, Apr 2
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From the manufacturer

brushless motor
attachment capble
variable speed
80vfamily

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Product Warranty: For warranty information about this product, please click here [PDF ]

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Greenworks PRO 16-Inch 80V Cordless String Trimmer (Attachment Capable), Battery Not Included GST80320


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Product Description

GreenWorks Pro 80V System offers a range of commercial grade tools for the professionals and those who just want more power. This 16-inch cordless string trimmer features an attachment capable power head for versatile use, compatible with most gas attachment. Light weight and easier to use, it has a variable speed trigger for power on demand, 14/16-inch cut path, .080 line diameter bump feed and die cast gear box for durability. Designed for durability and heavy duty jobs equivalent to 26cc gas engine . With an extra battery on hand , you can now rip through weeds in neighborhood without the hassle of gas. Compatible batteries currently include a 2ah (model GBA80200) and 4ah (model GBA80400) battery and rapid charger (model GCH8040). The 2ah battery charges within 30 minutes so you can get back to work and finish that job. The 4ah battery charges within 1 hour.

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Greenworks PRO 16-Inch 80V Cordless String Trimmer (Attachment Capable), Battery Not Included GST80320
Greenworks PRO 16-Inch 80V Cordless String Trimmer (Attachment Capable), Battery Not Included GST80320
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Price-8% $154.85
List:$169.00
$161.80-15% $152.99
List:$179.99
-15% $169.00
List:$199.99
$169.99$167.34
Delivery
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Customer Ratings
Battery life
4.3
4.3
3.5
4.4
4.2
Easy to use
4.3
4.0
4.1
4.0
4.4
Maneuverability
3.9
4.1
4.1
4.1
4.2
Light weight
3.3
3.5
3.7
3.7
4.0
Sold By
Amazon.com
Amazon.com
Amazon.com
Amazon.com
Amazon.com
Amazon.com
power source
Battery Powered
Battery Powered
Battery Powered
Battery Powered
Battery Powered
Battery Powered
cutting width
1600 inches
16 inches
13 inches
16 inches
16 inches
1200 inches
voltage
80 volts
80 volts
40 volts
assembly required

Customer reviews

4.4 out of 5 stars
4.4 out of 5
1,998 global ratings

Customers say

Customers like the performance and power of the string trimmer. For example, they mention that it works well, is more powerful than expected, and gets the job done. That said, opinions are mixed on quality, portability, battery life, ease of use, and maneuverability.

AI-generated from the text of customer reviews

208 customers mention168 positive40 negative

Customers like the performance of the string trimmer. They say it works well, is capable, and gets the job done. Some mention that the trimmer is heavy and the bump line works well. Overall, most are satisfied with the performance and functionality of this product.

"...The handle allows you operate the trimmer sideways. It makes beautiful lines along the edges of the sidewalk and driveway...." Read more

"...Love electric chainsawing!!! Great work in making it powerful and capable. Love the fact that it revs up under load like the lawn mower...." Read more

"Performance is excellent. I've had a gas powered and the battery power. They both work Great...." Read more

"...While the trimmer works fine, it definitely does not last the entire time it says it will and its a beast to handle because it is terribly balanced." Read more

132 customers mention124 positive8 negative

Customers are satisfied with the power of the string trimmer. They mention that it provides solid power delivery, and is more powerful than expected. Some say that it is quiet and efficient, and can do their entire yard in one charge.

"...This easy feed system means no down time even when working along the chain link fence line...." Read more

"...It was awesome. No mixing fuel, powerful, smooth speed changes, and attachments. I have the trimmer, edger, blower, leaf vacuum, and tiller...." Read more

"...So in summary, great lawn care tools, with good power (maybe great power, haven't compared competing lower voltage competitor's offerings yet)...." Read more

"...She has commented to me that it is quiet, efficient and easy to handle...." Read more

50 customers mention43 positive7 negative

Customers like the vibration of the string trimmer. They mention it's relatively quiet, awesome in terms of noise level and power, and runs almost silently. Some say it'll be a pleasure trimming weeds with no noise.

"...As good as any similarly sized gas chainsaw I've used. No noise or fumes in your face!!! Love electric chainsawing!!!..." Read more

"...She has commented to me that it is quiet, efficient and easy to handle...." Read more

"...So it definitely has the battery life at 80v. It's very quiet in comparison to a gas cutter. I wonder if the neighbors could even hear me...." Read more

"...In addition, it is quiet, lightweight, and much easier to start--just push the button...." Read more

183 customers mention125 positive58 negative

Customers are mixed about the quality of the string trimmer. Some mention it's well built, while others say it was defective and the threads stripped. The packaging was poor and the trimmer came scuffed.

"...This trimmer was so solid at low speed, I was able to trim my entire yard and my legs were pretty much clean - not covered in tons of shredded..." Read more

"...The chainsaw has plenty of power and cuts really well. As good as any similarly sized gas chainsaw I've used. No noise or fumes in your face!!!..." Read more

"...Son of a gun, same thing. I think the head spins itself off because it is designed to loosen when it spins, not tighten. Weird...." Read more

"...The GST80320 seems well-built, and while the battery isn't exactly featherweight, the overall heft and balance is on par with the average 25-28cc..." Read more

135 customers mention41 positive94 negative

Customers are mixed about the portability of the string trimmer. Some mention it's pretty light and easy to carry around, while others say it'll be too heavy to edge with. The shoulder strap helps balance the unit, but some find it a bit heavy.

"...The 4Ah battery is just a little too heavy for the handheld 80v tools...." Read more

"...The GST80320 seems well-built, and while the battery isn't exactly featherweight, the overall heft and balance is on par with the average 25-28cc..." Read more

"...Fortunately there is a shoulder strap that really helps balance the unit and takes all the weight off of the arms...." Read more

"...The product is heavier than you might expect; it's on par with commercial gas equipment but might be too heavy for some homeowners...." Read more

118 customers mention76 positive42 negative

Customers are mixed about the battery life of the string trimmer. Some mention it has good staying power, while others say that it doesn't last long enough to do edging, weed wacking, and blowing. The 4.0Ah battery has a lot of staying power. However, some customers say that the battery dies quickly and loses run time with every charge.

"...The trimmer equipped with the 4.0Ah battery has a lot of staying power. I was able to edge the front yard...." Read more

"...While the trimmer works fine, it definitely does not last the entire time it says it will and its a beast to handle because it is terribly balanced." Read more

"...The trimmer is well balanced, not too heavy, and the 2Ah battery lasted through the entire job..." Read more

"...The 4Ah battery lasts much longer. Haven't put the stopwatch to it (while it's in the mower), but it's probably doing @ 45-50 minutes or so...." Read more

116 customers mention71 positive45 negative

Customers have mixed opinions about the ease of use of the string trimmer. Some find it super easy to use, with straightforward assembly and no complicated parts. They say it provides cost savings and serious advantages in ease of operation. However, others say it's hard to use and awkward.

"...I was very pleased with how easy it was to load string into this trimmer...." Read more

"...does not last the entire time it says it will and its a beast to handle because it is terribly balanced." Read more

"...Eventually the fuel lines cracked/rotted and had to be replaced. Easy to do and it still worked great...." Read more

"...lawn care tools definitely provide cost savings, with serious advantages in ease of operation, with no mess, fumes, engine maintenance or starting..." Read more

71 customers mention22 positive49 negative

Customers are mixed about the maneuverability of the string trimmer. Some mention that it has tons of torque, and the line lasts a lot longer than their gas one. It spins rapidly and trims very well, while others say that it takes a while to spin up and spool up. The 80V really allows a strong motor for all the accessories they have. However, some customers say that the trimmer takes s oon to spin and there was no smooth speed up.

"...Got the new trimmer home and HATED it. It ran terrible, there was NO smooth speed up and it would bog down constantly if it wasn't running at full..." Read more

"...Love the fact that it revs up under load like the lawn mower. I'm sure this really helps add to the total cut time available from the batteries...." Read more

"...It does take a moment to get to full power after pressing the trigger, definitely lacking the instant torque that I'd expect from an electric motor...." Read more

"...This is a low-torque power head, so it is not as instantly responsive as a gas-powered unit...." Read more

GreenWorks Pro 80V great... but with some design flaws.
4 Stars
GreenWorks Pro 80V great... but with some design flaws.
Let me start by saying, I love the Greenworks Pro 80v tool lineup! I've purchased every 80v tool except for the snow blower... don't really need it here in TX. The string trimmer and all the other tools are working well and have good power and reasonable run times on the 2Ah battery. The lawnmower really needs the 4Ah battery, as I've only been getting ~ 23 minutes of runtime out of the 2Ah batteries in the mower. But, my grass has been kind of high both times I mowed, causing the mower to stay revved up most of the time I've been mowing. The mower revs up automatically when under higher load (i.e. deeper grass). The 4Ah battery lasts much longer. Haven't put the stopwatch to it (while it's in the mower), but it's probably doing @ 45-50 minutes or so. Not bad at all... Just wish it was a little more affordable!The 4Ah battery is just a little too heavy for the handheld 80v tools. Not a big issue though, either use a shoulder strap or just swap between 2 of the 2Ah batteries. Given that they fully recharge in ~ 30 minutes, you can pretty much keep on going. On hot days, 90+ degrees, the batteries will typically have to cool in the charger for up to 5 minutes before charging will start. The battery packs have an integrated temperature probe and the temp data is communicated to the charger in some manner of operation. The charger has an integrated fan that does a great job of keeping things cooled off... It blows air through the battery pack.Now onto the issues I've encountered... sorry GreenWorks, but you guys made some dumb design choices. I've communicated these issues to you, but don't have much faith that anything will be changed.The 18" 80v chainsaw, 2 issues I've noted, but first, some praise. The chainsaw has plenty of power and cuts really well. As good as any similarly sized gas chainsaw I've used. No noise or fumes in your face!!! Love electric chainsawing!!! Great work in making it powerful and capable. Love the fact that it revs up under load like the lawn mower. I'm sure this really helps add to the total cut time available from the batteries. I had problems for a while with throwing the chain often, not sure if something could be improved in the design or if it's mainly due to me just needing to use more finesse. I've worked to be less sloppy with how I'm cutting and that has helped a lot with keeping the chain in place. Now onto the issues I've noted;1st Issue - The chainsaw turns itself off after only 15 seconds of idle time. Who decided this was a good idea? How does this make it safer or save battery power? It doesn't! So why the 15 second auto-shutoff? You know how annoying this is when I'm limbing a tree or a felled branch and having to move around and reposition branches and what not. Even though I never sit the chainsaw down, it always seems to turn off between trigger pulls! 1 minute would have been a reasonable auto-off time delay, but 15 seconds is just plain dumb and annoying. I'm always having to stop, to let go of the chainsaw to reach up to turn it back on... thanks for designing in a very annoying and useless feature!!!2nd issue - the motor drive chain sprocket has a plastic retaining lip that I guess is supposed to help keep the chain on the sprocket. I got the bar/chain in a bind as a limb pinched it and the chain broke this retainer piece off. I kept going and used the chainsaw for several days afterwards, without issue. But not impressed with how this piece broke off or with the fact that it is plastic!3rd issue - chain lube oil tends to leak out, at least when it's between 80 - 100 degrees outside. Maybe it doesn't leak as much in cooler weather when the oil is a bit thicker? Not uncommon for self-lubricating chainsaws, but annoying nonetheless. Wish it could be less leaky or that GreenWorks would include a hard shell case. I have to keep the chainsaw in a paper bag (to absorb the oil) inside of a plastic bag (to keep the oily paper bag from transferring the oil to my trucks interior carpet). Guess I need to just go and buy a hard case.Trimmer issues;1st issue - could have just a little more power and rev up quicker. I'm quite sure both these very minor issues were specific design choices to maximize battery life, so I can overlook them. But, for the size/weight, it seems like the unit is only achieving ~ 85% power output. And yes, I am running it in the higher power mode by pressing the high power toggle button. Just wish high power mode was a wee bit more "high power". Run time is great though! I would sacrifice a few minutes for a little better deep grass/weed cutting performance.2nd (serious) issue - stupidest design decision I've seen!!! The motor output shaft to cable drive shaft coupler is simply hot pressed onto the motor output shaft. AND the coupler is totally cylindrical!!! No splines, no flat area, it's not pinned, it's not keyed, it's just completely smooth and cylindrical, same as the motor output shaft. This is JUST PLAIN STUPID!!! A LOT of power is being transferred by this coupler and your brilliant design engineers have decided that a perfectly smooth hot-pressed on coupler is never going to slip or crack (as mine did) and then spin in place??? If you had chosen a splined or flat area or pinned or keyed coupler desing, the chance of slippage would have been practically eliminated, even if a coupler crack developed. You guys are going to be repairing or replacing a LOT of these units until you change the motor coupler type! There's no way this current hot-pressed perfectly smooth coupler is going to work under strain of load. You made the trimmer attachment capable... How well do you think the coupler is goining to stand up to someone using a tiller attachment? Change this ASAP or you're going to be fixing the vast majority of these units! I've included pictures of the couple that stress fractured in my first unit. See for yourself what I'm talking about. I'm just wondering how long my second replacement unit is going to last. I'll update this review when it fails too.So in summary, great lawn care tools, with good power (maybe great power, haven't compared competing lower voltage competitor's offerings yet). Good battery life which will only improve over the next few years as battery chemistries/designs continue to advance. But no need to wait... battery life, cycle time, initial costs, etc., combined with resulting tool performance all currently FINALLY beat what you can do with gas powered lawn care tools. GreenWorks Pro 80v lawn care tools definitely provide cost savings, with serious advantages in ease of operation, with no mess, fumes, engine maintenance or starting hassles! I'll never buy another gas powered device... the era of the battery operated lawn care tool has finally arrived in my opinion!!! Fix the design flaws and dumb design decisions GreenWorks and you'll take the market by storm!Don't forget to check out the pics of the seriously stupid design choice in coupler utilized on the string trimmer.
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Top reviews from the United States

Reviewed in the United States on July 27, 2015
Size: 16" Trimmer (Tool Only)Verified Purchase
Customer image
5.0 out of 5 stars Powerful Trimmer!
Reviewed in the United States on July 27, 2015
This 80v string trimmer was the perfect solution for my 1/3 acre lot.

The trimmer arrived and required some basic assembly (the only tool needed is a Phillips "X" head screwdriver). The trimmer guard has a reversible guide that needs is delivered in the 14" position. If you want the full 16" cutting swath, you need to reverse the guide (which is as simple as backing out two Phillips head screws and then putting them back in). The large plastic handle was the most difficult part of the procedure: the plastic handle ships screwed together. It should be a simple procedure to unscrew, fit the handle anywhere that is comfortable on the upper length of the trimmer and then screw together again. Unfortunately the factor had tightened these screws very tight! And the screws are located slightly under the handle which makes it difficult to get a direct angle on the heads. I had to use my cordless driver to back the screws out.

The trimmer arrived with some string loaded, but you'll soon need more. I was very pleased with how easy it was to load string into this trimmer. I cut a sing 10-foot length off of [[ASIN:B001NMT10Y SuperTrim2 SSQ080D1/2-12 1/2-Pound Spool of .08-Inch-by-200-Foot Home Owner-Grade Square Grass Trimmer Line]]. The 0.08 thickness is the recommended string, but I have seen people use the 0.095 string as well. After cutting the length of string, line up the lines on the trimmer head. Insert the string through one hole and pull it through until both sides are approximately equal length. The bump feed head has arrows showing you the direction to wind. Hold the trimmer head and turn the button. The button clicks as it winds the string into place.

The bump feed also works brilliantly. An easy tap or two on the grass and fresh string advances into place. This easy feed system means no down time even when working along the chain link fence line.

Since I already had the [[ASIN:B00SSBL02U GreenWorks GLM801600 80V 21-Inch Cordless Lawn Mower]], I was familiar with the power in Greenworks 80v system. I also knew that I wanted the bigger [[ASIN:B00SSBL07U GreenWorks GBA80400 80V 4.0Ah Lithium Ion Battery]] so that I could use it interchangeably with my mower.

The trimmer equipped with the 4.0Ah battery has a lot of staying power. I was able to edge the front yard. The handle allows you operate the trimmer sideways. It makes beautiful lines along the edges of the sidewalk and driveway. I still had plenty of juice to take the trimmer into the backyard. There is a turbo button on the handle that revs up the trimmer and slices through vines, weeds, and runaway stalks.

The only downside to the 4.0Ah battery with this trimmer (besides cost) is that it can be heavy. Fortunately there is a shoulder strap that really helps balance the unit and takes all the weight off of the arms. When I figured out the shoulder strap, it enabled me to use this trimmer indefinitely.

Investing in this admittedly pricey system was worth it to me. I had the freedom and power to do heavy yard work without the hassle of storing gasoline at my house. Since my garage also doubles as a home gym, I can store the trimmer in the garage without introducing noxious fumes. I was very happy with how quickly the battery chopped through vines and tall grasses. Finally, the added convenience of a second battery to use with my mower means that I can work non-stop in my large yard by simply charging one battery when I trim and charging the other battery when I mow.
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39 people found this helpful
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Reviewed in the United States on July 16, 2018
Size: 16" Trimmer (Tool Only)Verified Purchase
17 people found this helpful
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Top reviews from other countries

Translate all reviews to English
DAVID PALMIERI
5.0 out of 5 stars Mejor de lo que esperaba
Reviewed in Mexico on November 11, 2020
Size: 16" Trimmer (Tool Only)Verified Purchase
Dregger
5.0 out of 5 stars Powerful weeder
Reviewed in Canada on November 28, 2022
Size: 16" Trimmer (Tool Only)Verified Purchase
Joep
5.0 out of 5 stars Great Trimmer
Reviewed in Canada on September 23, 2023
Size: 16" Trimmer (Tool Only)Verified Purchase
Paul D
4.0 out of 5 stars Powerful, has some weight, but spin up time is atrocious
Reviewed in Canada on August 25, 2023
Size: 16" Trimmer (Tool Only)Verified Purchase
ArmourofGod
4.0 out of 5 stars Beast
Reviewed in Canada on July 7, 2021
Size: 16" Trimmer (Tool Only)Verified Purchase
4 people found this helpful
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