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Greenworks 40V 12-Inch Cordless String Trimmer, Battery and Charger Not Included, BST4000

Description:

  • High Performance G-MAX 40V Lithium-Ion Battery delivers fade-free power with no memory loss after charging
  • 12-inch cut path with .065 dual line with auto-feed head to rip through weeds for fast trimming
  • Variable speed trigger for power on demand
  • Compatible GreenWorks Replacement Spool, Model 2900719
  • Battery and Charger Not Included - Compatible with GreenWorks G-MAX 40V Lithium-Ion Battery Models 29472 and 29462 and Charger Model 29482

  • greenworks GMAX 40V System offers a wide range of easy to use tools for the homeowner and those who just want more power. This 12-inch cordless string trimmer features an front mount motor for optimum balance. Light weight and easier to use, it has a variable speed trigger for power on demand, 12-inch cut path, .065 line diameter auto feed head for easy line advancement. Designed for ease of use and comfortable operation without the hassle of gas.

    Reviews:

    5.0 out of 5 stars Greenworks 40V 12" Cordless String Trimmer (two thumbs up)

    C.M. · May 19, 2025

    (function() { P.when('cr-A', 'ready').execute(function(A) { if(typeof A.toggleExpanderAriaLabel === 'function') { A.toggleExpanderAriaLabel('review_text_read_more', 'Read more of this review', 'Read less of this review'); } }); })(); .review-text-read-more-expander:focus-visible { outline: 2px solid #2162a1; outline-offset: 2px; border-radius: 5px; } Greetings. Last year I purchased a Ryobi 40v weed eater that costs north of $200. Despite being a Ryobi fan I was never satisfied with that machine. I was very disappointed and felt like I wasted my money. Last week I went online and researched the best, budget level, weed eaters for smaller yards to service. This particular model showed up on several lists. I was somewhat taken aback because of the price tag of a little over $100 which includes the charger and battery. Honestly, I was worried that this was a cheap product. I am happy to report that I am extremely satisfied with this Greenworks 40V 12" Cordless String Trimmer.I actually think this trimmer is more powerful than the Ryobi model which cost me twice as much. The automatic line feed works great. This is also bit more lightweight than my previous weed eater. The unit is very easy to assemble in just a couple of minutes. I also love the fact that you can edge with this model. It has a small metal bar that you can flip forward and then rotate how you hold the trimmer and you now have a very capable edger. It's not a quiet trimmer but the noise level is normal in my opinion. Lastly, it seems sufficiently sturdy and built to last for quite a while. Bolo also sells the replacement spools of line. I also purchased a six pack of replacement line spools that should carry me through the summer.If you have a small yard or area to maintain and are on a budget then I think you will be pleasantly surprised with this model trimmer.

    5.0 out of 5 stars I have used a Greenworks trimmer for 6 years

    J.P. · May 7, 2025

    I bought a Greenworks 40v trimmer about 6 years ago & used it to literally clear an acre! I continued to use it until now, but had replaced the head with one of those universal jobs(which also worked great!). Thought I would grab another one of these at Bolo sale price of $59, but without the charger or battery, which I had several anyway.This one may be even slightly better! It is a bit quieter, and seems like it may be a bit more efficient on battery usage also. (I am able to use the smallest battery, a 2.5ah and it lasts quite a while,) I also own a Greenworks 40v chainsaw, rototiller, and hedge clippers(unbelievably powerful), so I can swap the several batteries I have and keep on working. All these products deserve a 5-star rating.This weedeater uses a very easy-to-use cap with push-in tabs for easy removal when time to replace the line. It is a double-line model, and when I want to release more line, I just push the button on the bottom and pull out an inch or two.They don't mention it in the ad, but it came with an extra double spool of line and an extra green cap.Well-packaged also, popped together and assembled in 5 minutes. It even came with a small allen wrench to tighten one screw on the stem which couples the two stem pieces together.Use with confidence; I have used it here in Arkansas for over 6 years now, where weeds grow like.....weeds!

    4.0 out of 5 stars Pretty solid trimmer

    J.H. · June 1, 2025

    Not bad, run time is a little exaggerated, I have a double lot with an inground pool with a fence around it, I can get all trimmed with one battery, the 2.0, but I must move quickly. Probably will upgrade to a 4.0 to see if that helps, but for now it works. The one thing I do not like is the guard is way to small, it throws trimming and anything else you hit right back into you shins, by the end of trimming my legs are covered. It’s 7 1/2 “ for reference my stil is 12” the push button release on mine is a little stiff, hope this breaks in over time, battery charger is great, charges pretty quick! Look I know this is not a commercial weed trimmer and the other green works products I have are great, I think this trimmer is pretty solid, it’s very lightweight and comfortable to use, just wish the guard was bigger, had it been this would of be a 5 star rating, hoping I can find a bigger one or fabricate something.

    5.0 out of 5 stars Surprisingly powerful

    N. · June 26, 2025

    We've been very happy with our Greenworks blower for many years, but we wanted another battery. Turns out this trimmer was not much more than another battery. I've got a big gas Husqvarna trimmer, but sometimes the job is too small to pull the cord. This trimmer does the trick, and is surprisingly powerful. Just fine for cleaning up the yard after a mow.

    5.0 out of 5 stars First cordless trimmer

    M. · June 24, 2025

    Ive had this for awhile now and finally writing my review.  This string trimmer is great.  The battery lasts for almost my entire front and back yard with continuous use.  Mind you, I have a big back yard.  It is a little heavier than I was expecting but not by much.  Just the battery weight.  The battery charges completely within a couple of hours.   Highly recommend

    5.0 out of 5 stars I was impressed

    I.M. · June 19, 2025

    I'll be honest I didn't know what to expect. It is the first electric trimmer I had ever bought. I was really impressed on the job it did and the automatic line feeder. I believe this is going to last me a while, but if I ever have to buy another, it will be Greenwork.

    Buyer beware: This is not compatible with any Greenworks 40V battery

    B. · February 28, 2024

    (function() { P.when('cr-A', 'ready').execute(function(A) { if(typeof A.toggleExpanderAriaLabel === 'function') { A.toggleExpanderAriaLabel('review_text_read_more', 'Read more of this review', 'Read less of this review'); } }); })(); .review-text-read-more-expander:focus-visible { outline: 2px solid #2162a1; outline-offset: 2px; border-radius: 5px; } I’m not sure why Bolo is selling this item. I bought this and had to instantly return it because it was incompatible with any green works battery sold in Canada. I even called the company and asked if they sold an adapter and they said they didn’t. The only other option was to import a different type of 40V battery that the sell in the USA.I only wish I had read the other reviews here before buying since it seems like many other encountered the same problem.

    Excelente Recortadora

    H. · August 3, 2021

    Es ligera en comparación a otras ya con la pila puesta, por lo que facilita el uso y manejo en cualquier lugar, yo la utilizo en lugares con declive

    Relatively easy to assemble and works great.

    J. · August 3, 2024

    Easy to assemble; works great on grasses and weeds.

    100%

    E. · September 10, 2020

    Para trabajos sensillos es perfecta muy sencilla de usar

    Great price but not compatible with my 40 v Greenworks Canadian batteries.

    R.S. · December 12, 2023

    Great looking tool, bought it “Used” from the Warehouse section for a great price, but it Did not fit my Greenworks 40 volt batteries. From what I can figure out, the USA has a different Greenworks 40v platform and my Canadian bought batteries do not fit it. This tool seems to be manufactured for the American market, I could spend a couple hundred bucks to buy the proper battery and charger, (GW Elite or G-Max I think) but that would negate any savings. Returned.

    Greenworks 40V 12-Inch Cordless String Trimmer, Battery and Charger Not Included, BST4000

    Product ID: UO01A9MT83Y
    Condition: New

    4.3

    AED71652

    Price includes VAT & Import Duties
    Size: 12" Trimmer (Tool Only)
    Availability: In Stock

    Quantity:

    |

    Order today to get by 7-14 business days

    This item qualifies for free delivery

    Returns & Warranty policies

    Imported From: United States

    At BOLO, we work hard to ensure the products you receive are new, genuine, and sourced from reputable suppliers.

    BOLO is not an authorized or official retailer for most brands, nor are we affiliated with manufacturers unless specifically stated on a product page. Instead, we source verified sellers, authorized distributors or directly from the manufacturer.

    Each product undergoes thorough inspection and verification at our consolidation and fulfilment centers to ensure it meets our strict authenticity and quality standards before being shipped and delivered to you.

    If you ever have concerns regarding the authenticity of a product purchased from us, please contact Bolo Support. We will review your inquiry promptly and, if necessary, provide documentation verifying authenticity or offer a suitable resolution.

    Your trust is our top priority, and we are committed to maintaining transparency and integrity in every transaction.

    All product information, images, descriptions, and reviews originate from the manufacturer or from trusted sellers overseas. BOLO is not affiliated with, endorsed by, or an authorized retailer for most brands listed on our website unless stated otherwise.

    While we strive to display accurate information, variations in packaging, labeling, instructions, or formulation may occasionally occur due to regional differences or supplier updates. For detailed or manufacturer-specific information, please contact the brand directly or reach out to BOLO Support for assistance.

    Unless otherwise stated, all prices displayed on the product page include applicable taxes and import duties.

    BOLO operates in accordance with the laws and regulations of United Arab Emirates. Any items found to be restricted or prohibited for sale within the UAE will be cancelled prior to shipment. We take proactive measures to ensure that only products permitted for sale in United Arab Emirates are listed on our website.

    All items are shipped by air, and any products classified as “Dangerous Goods (DG)” under IATA regulations will be removed from the order and cancelled.

    All orders are processed manually, and we make every effort to process them promptly once confirmed. Products cancelled due to the above reasons will be permanently removed from listings across the website.

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    Similar items from “String Trimmers”

    Greenworks 40V 12-Inch Cordless String Trimmer, Battery and Charger Not Included, BST4000

    Product ID: UO01A9MT83Y
    Condition: New

    4.3

    Greenworks 40V 12-Inch Cordless String Trimmer, Battery and Charger Not Included, BST4000-0
    Size: 12" Trimmer (Tool Only)

    AED71652

    Price includes VAT & Import Duties
    Availability: In Stock

    Quantity:

    |

    Order today to get by 7-14 business days

    This item qualifies for free delivery

    Returns & Warranty policies

    Imported From: United States

    At BOLO, we work hard to ensure the products you receive are new, genuine, and sourced from reputable suppliers.

    BOLO is not an authorized or official retailer for most brands, nor are we affiliated with manufacturers unless specifically stated on a product page. Instead, we source verified sellers, authorized distributors or directly from the manufacturer.

    Each product undergoes thorough inspection and verification at our consolidation and fulfilment centers to ensure it meets our strict authenticity and quality standards before being shipped and delivered to you.

    If you ever have concerns regarding the authenticity of a product purchased from us, please contact Bolo Support. We will review your inquiry promptly and, if necessary, provide documentation verifying authenticity or offer a suitable resolution.

    Your trust is our top priority, and we are committed to maintaining transparency and integrity in every transaction.

    All product information, images, descriptions, and reviews originate from the manufacturer or from trusted sellers overseas. BOLO is not affiliated with, endorsed by, or an authorized retailer for most brands listed on our website unless stated otherwise.

    While we strive to display accurate information, variations in packaging, labeling, instructions, or formulation may occasionally occur due to regional differences or supplier updates. For detailed or manufacturer-specific information, please contact the brand directly or reach out to BOLO Support for assistance.

    Unless otherwise stated, all prices displayed on the product page include applicable taxes and import duties.

    BOLO operates in accordance with the laws and regulations of United Arab Emirates. Any items found to be restricted or prohibited for sale within the UAE will be cancelled prior to shipment. We take proactive measures to ensure that only products permitted for sale in United Arab Emirates are listed on our website.

    All items are shipped by air, and any products classified as “Dangerous Goods (DG)” under IATA regulations will be removed from the order and cancelled.

    All orders are processed manually, and we make every effort to process them promptly once confirmed. Products cancelled due to the above reasons will be permanently removed from listings across the website.

    Description:

  • High Performance G-MAX 40V Lithium-Ion Battery delivers fade-free power with no memory loss after charging
  • 12-inch cut path with .065 dual line with auto-feed head to rip through weeds for fast trimming
  • Variable speed trigger for power on demand
  • Compatible GreenWorks Replacement Spool, Model 2900719
  • Battery and Charger Not Included - Compatible with GreenWorks G-MAX 40V Lithium-Ion Battery Models 29472 and 29462 and Charger Model 29482

  • greenworks GMAX 40V System offers a wide range of easy to use tools for the homeowner and those who just want more power. This 12-inch cordless string trimmer features an front mount motor for optimum balance. Light weight and easier to use, it has a variable speed trigger for power on demand, 12-inch cut path, .065 line diameter auto feed head for easy line advancement. Designed for ease of use and comfortable operation without the hassle of gas.

    Reviews:

    5.0 out of 5 stars Greenworks 40V 12" Cordless String Trimmer (two thumbs up)

    C.M. · May 19, 2025

    (function() { P.when('cr-A', 'ready').execute(function(A) { if(typeof A.toggleExpanderAriaLabel === 'function') { A.toggleExpanderAriaLabel('review_text_read_more', 'Read more of this review', 'Read less of this review'); } }); })(); .review-text-read-more-expander:focus-visible { outline: 2px solid #2162a1; outline-offset: 2px; border-radius: 5px; } Greetings. Last year I purchased a Ryobi 40v weed eater that costs north of $200. Despite being a Ryobi fan I was never satisfied with that machine. I was very disappointed and felt like I wasted my money. Last week I went online and researched the best, budget level, weed eaters for smaller yards to service. This particular model showed up on several lists. I was somewhat taken aback because of the price tag of a little over $100 which includes the charger and battery. Honestly, I was worried that this was a cheap product. I am happy to report that I am extremely satisfied with this Greenworks 40V 12" Cordless String Trimmer.I actually think this trimmer is more powerful than the Ryobi model which cost me twice as much. The automatic line feed works great. This is also bit more lightweight than my previous weed eater. The unit is very easy to assemble in just a couple of minutes. I also love the fact that you can edge with this model. It has a small metal bar that you can flip forward and then rotate how you hold the trimmer and you now have a very capable edger. It's not a quiet trimmer but the noise level is normal in my opinion. Lastly, it seems sufficiently sturdy and built to last for quite a while. Bolo also sells the replacement spools of line. I also purchased a six pack of replacement line spools that should carry me through the summer.If you have a small yard or area to maintain and are on a budget then I think you will be pleasantly surprised with this model trimmer.

    5.0 out of 5 stars I have used a Greenworks trimmer for 6 years

    J.P. · May 7, 2025

    I bought a Greenworks 40v trimmer about 6 years ago & used it to literally clear an acre! I continued to use it until now, but had replaced the head with one of those universal jobs(which also worked great!). Thought I would grab another one of these at Bolo sale price of $59, but without the charger or battery, which I had several anyway.This one may be even slightly better! It is a bit quieter, and seems like it may be a bit more efficient on battery usage also. (I am able to use the smallest battery, a 2.5ah and it lasts quite a while,) I also own a Greenworks 40v chainsaw, rototiller, and hedge clippers(unbelievably powerful), so I can swap the several batteries I have and keep on working. All these products deserve a 5-star rating.This weedeater uses a very easy-to-use cap with push-in tabs for easy removal when time to replace the line. It is a double-line model, and when I want to release more line, I just push the button on the bottom and pull out an inch or two.They don't mention it in the ad, but it came with an extra double spool of line and an extra green cap.Well-packaged also, popped together and assembled in 5 minutes. It even came with a small allen wrench to tighten one screw on the stem which couples the two stem pieces together.Use with confidence; I have used it here in Arkansas for over 6 years now, where weeds grow like.....weeds!

    4.0 out of 5 stars Pretty solid trimmer

    J.H. · June 1, 2025

    Not bad, run time is a little exaggerated, I have a double lot with an inground pool with a fence around it, I can get all trimmed with one battery, the 2.0, but I must move quickly. Probably will upgrade to a 4.0 to see if that helps, but for now it works. The one thing I do not like is the guard is way to small, it throws trimming and anything else you hit right back into you shins, by the end of trimming my legs are covered. It’s 7 1/2 “ for reference my stil is 12” the push button release on mine is a little stiff, hope this breaks in over time, battery charger is great, charges pretty quick! Look I know this is not a commercial weed trimmer and the other green works products I have are great, I think this trimmer is pretty solid, it’s very lightweight and comfortable to use, just wish the guard was bigger, had it been this would of be a 5 star rating, hoping I can find a bigger one or fabricate something.

    5.0 out of 5 stars Surprisingly powerful

    N. · June 26, 2025

    We've been very happy with our Greenworks blower for many years, but we wanted another battery. Turns out this trimmer was not much more than another battery. I've got a big gas Husqvarna trimmer, but sometimes the job is too small to pull the cord. This trimmer does the trick, and is surprisingly powerful. Just fine for cleaning up the yard after a mow.

    5.0 out of 5 stars First cordless trimmer

    M. · June 24, 2025

    Ive had this for awhile now and finally writing my review.  This string trimmer is great.  The battery lasts for almost my entire front and back yard with continuous use.  Mind you, I have a big back yard.  It is a little heavier than I was expecting but not by much.  Just the battery weight.  The battery charges completely within a couple of hours.   Highly recommend

    5.0 out of 5 stars I was impressed

    I.M. · June 19, 2025

    I'll be honest I didn't know what to expect. It is the first electric trimmer I had ever bought. I was really impressed on the job it did and the automatic line feeder. I believe this is going to last me a while, but if I ever have to buy another, it will be Greenwork.

    Buyer beware: This is not compatible with any Greenworks 40V battery

    B. · February 28, 2024

    (function() { P.when('cr-A', 'ready').execute(function(A) { if(typeof A.toggleExpanderAriaLabel === 'function') { A.toggleExpanderAriaLabel('review_text_read_more', 'Read more of this review', 'Read less of this review'); } }); })(); .review-text-read-more-expander:focus-visible { outline: 2px solid #2162a1; outline-offset: 2px; border-radius: 5px; } I’m not sure why Bolo is selling this item. I bought this and had to instantly return it because it was incompatible with any green works battery sold in Canada. I even called the company and asked if they sold an adapter and they said they didn’t. The only other option was to import a different type of 40V battery that the sell in the USA.I only wish I had read the other reviews here before buying since it seems like many other encountered the same problem.

    Excelente Recortadora

    H. · August 3, 2021

    Es ligera en comparación a otras ya con la pila puesta, por lo que facilita el uso y manejo en cualquier lugar, yo la utilizo en lugares con declive

    Relatively easy to assemble and works great.

    J. · August 3, 2024

    Easy to assemble; works great on grasses and weeds.

    100%

    E. · September 10, 2020

    Para trabajos sensillos es perfecta muy sencilla de usar

    Great price but not compatible with my 40 v Greenworks Canadian batteries.

    R.S. · December 12, 2023

    Great looking tool, bought it “Used” from the Warehouse section for a great price, but it Did not fit my Greenworks 40 volt batteries. From what I can figure out, the USA has a different Greenworks 40v platform and my Canadian bought batteries do not fit it. This tool seems to be manufactured for the American market, I could spend a couple hundred bucks to buy the proper battery and charger, (GW Elite or G-Max I think) but that would negate any savings. Returned.

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