Greenworks 40V 15 in Cordless String Trimmer - Lightweight Power

In this review the Greenworks 40V 15 in cordless string trimmer is evaluated for homeowners who want a lightweight, battery-powered alternative to gas trimmers. The single biggest reason to buy is its blend of usable power and easy handling: the 40V lithium-ion platform and TORQDRIVE system deliver noticeably stronger torque for cutting thicker weeds, while the bump feed head and variable speed trigger make trimming around beds and shrubs straightforward. The included 2.0Ah battery and charger make it ready to use out of the box for small-to-medium yards.

Key Features

• 15 in cutting path: Covers a useful swath to reduce passes while still allowing precise edging near plants and borders.
• .085 dual line bump head: Lets you advance line quickly without tools so you can stay productive on a single session.
• Variable speed trigger: Provides instant control over cutting speed so delicate areas are easier to navigate without scalping.
• TORQDRIVE system: Delivers roughly 30% more torque, helping the trimmer power through thick grass and stubborn weeds.
• Lightweight design: Reduces user fatigue for longer jobs and makes the tool easy to carry around the yard.
• Push button start: Eliminates gas, fumes, pull cords, and carburetor maintenance for simpler ownership.

Who It's For

The Greenworks 40V 15 in cordless string trimmer is best for homeowners with small-to-medium lawns, up to about a half acre when paired with larger batteries on the same 40V platform; the included 2.0Ah battery handles light to moderate trimming tasks and makes the tool convenient for quick sessions. It suits anyone who prioritizes low maintenance and easy starting over the continuous runtime of gas models.

It may not be ideal for extensive commercial work or for users who expect long runtime on a single small battery pack; those with very large properties should consider higher-capacity batteries in the 40V lineup or a more powerful dedicated unit.

Pros & Cons

Pros

• Powerful cut for a battery trimmer thanks to the TORQDRIVE motor, effective on thick weeds.
• Bump feed.085 dual line head is simple and fast to advance without tools.
• Lightweight and ergonomic, making yard work less tiring over multiple areas.
• Push button start and the 40V battery platform reduce upkeep and provide fade-free power.

Cons

• Included 2.0Ah battery offers limited runtime for larger yards unless upgraded to a higher-capacity battery.
• Battery life and long-term durability receive mixed feedback from some users.

Specifications

Our Verdict

The Greenworks 40V 15 in cordless string trimmer is a solid value for homeowners seeking a low-maintenance, lightweight trimmer with enough torque to handle thick weeds. It stands out for ease of use and the bump feed head, though buyers with larger yards should plan to invest in a higher-capacity 40V battery for longer runtime. Overall, it balances power and convenience well for typical residential use.

Frequently Asked Questions

How long will the included 2.0Ah battery last?
Runtime varies by vegetation and speed setting, but the 2.0Ah battery is intended for light-to-moderate jobs; upgrade to a larger 40V battery for extended sessions.

Can the trimmer handle thick weeds?
Yes, the TORQDRIVE system provides increased torque that helps the trimmer cut through thicker grass and stubborn weeds more effectively than basic cordless models.

Is the head easy to reload?
The.085 dual line bump feed head is quick to advance and simple to reload, allowing on-the-go line advancement without tools.