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Greenworks Cordless String Trimmer BST4000 Review

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By Best Choice team
Checked icon Last updated - June 2, 2025
8.7

Verdict overview

  • Weight distribution 8.6
  • Simple to use 8.1
  • Maneuverability 9.1
  • Battery Duration 9.1
  • Light weight 8.6
Pros
  • 1. Fade free: no memory loss after charging.
  • 2. Auto feed: fast trimming of weeds.
  • 3. Variable speed: power when needed.
Cons
  • String breakage reloading.

Tech specs

Power SourceBattery Powered
ColorGreen
Product Dimensions65L x 7.8W
Assembly RequiredNo
Cutting Width12 Inches
Item Weight6.5 pounds
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Product Overview

When it comes to cordless string trimmers, the Greenworks Cordless String Trimmer BST4000 is a great choice. This trimmer has a high performance G MAX 40V Lithium Ion Battery which delivers fade free power with no memory loss after charging. This battery also offers a 12 inch cut path with .065 dual line with auto feed head to quickly and easily rip through weeds for fast trimming. The variable speed trigger provides power on demand and is compatible with GreenWorks Replacement Spool, Model 2900719.

The BST4000 is designed for easy use. It features an adjustable shaft that can be adjusted to various lengths and angles so you can get just the right angle for your trimming job. The handle is ergonomically designed for comfort and control while trimming, and the cordless design allows you to work anywhere without having to worry about cords getting in the way or being tangled up. This trimmer is also very lightweight at only 6.5 pounds, making it easy to maneuver and transport from one job site to another. Additionally, the weight distribution of this trimmer ensures that it wont cause fatigue or strain when used for long periods of time.

The BST4000 is perfect for anyone who needs a reliable cordless string trimmer for light duty jobs around their yard or garden. Its easy to use, lightweight and maneuverable, so its ideal for those who dont want to deal with the hassle of cords or gas powered engines. Its also great for those who are looking for a reliable tool that will get the job done quickly and efficiently without breaking the bank.

Overall, I have been very impressed by the Greenworks Cordless String Trimmer BST4000. It has all of the features you need in a cordless string trimmer including an adjustable shaft, ergonomic handle design, lightweight construction, and good weight distribution for better control while trimming all at an affordable price point! If youre looking for a reliable cordless string trimmer that wont break the bank, then this product is definitely worth considering!

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Frequently asked questions

  • What type of battery is used in this trimmer? Arrow icon
  • What is the cutting width of this trimmer? Arrow icon
  • Is assembly required for this trimmer? Arrow icon
  • Is this trimmer lightweight? Arrow icon
  • Is this trimmer compatible with any replacement spools? Arrow icon

The secret behind our reviews

By Best Choice team

Best Choice Team is your go-to source for curated product recommendations across various categories. Leveraging years of industry experience and advanced AI technology, we analyze data from multiple sources to bring you the most relevant and up-to-date product lists.

Our AI-driven approach allows us to streamline the selection process, ensuring that the products we feature align with current market trends and consumer preferences. We aim to provide content that helps you navigate your purchasing decisions with greater ease Like.

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87% of reviewers would recommend to a friend, Based on 7,208 Reviews

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