Greenworks 40V 13 in Cordless Review: Specs, Pros and Cons

What stands out

• 13-inch cutting width for efficient trimming
• 2.0 Ah battery capacity included
• Telescoping shaft adjusts from 40 to 52 inches
• Seven-position pivoting head for versatile angles
• Converts to edger in three clicks

Who it fits

Key specs for this trimmer

Voltage 40V

This indicates the electrical potential driving the motor. Higher voltage generally means more torque for thick weeds. You get consistent power until the battery drains. It is the standard for Greenworks tools. When shopping for cordless lawn mowers, you will see similar voltage ratings. A 40V system ensures the tool handles resistance without stalling. This matches the power class of many residential mowers.

Cutting Swath 13 in

This is the width of the area the trimmer clears in one pass. A 13-inch width is compact. It allows you to navigate tight spaces around fences and flower beds. Larger mowers have wider decks for speed, but this trimmer prioritizes precision. You benefit from better control in cluttered yards. Compare this to wider edgers if you need to cover large sidewalks quickly.

Battery Capacity 2.0 Ah

Amp-hours measure how much energy the battery stores. A 2.0 Ah capacity is entry-level. It provides runtime for small jobs or light trimming. You may need a spare battery for larger yards. This spec is common in starter kits. When buying cordless lawn mowers, larger batteries like 5.0 Ah offer longer runtimes. Consider this if you have a small lawn or need a backup power source.

Weight 9.92 pounds

This is the total mass of the tool with the battery installed. Nearly ten pounds is manageable for overhead use. It reduces arm fatigue during extended trimming sessions. Heavier gas tools often require more effort to hold. This weight makes it easier to maneuver around obstacles. You will find similar weights in lightweight electric mowers. It ensures you can handle the tool comfortably for long periods.

Shaft Type Telescoping

The shaft extends to adjust the tool length. It fits users from five feet two to six feet four. This prevents you from bending over excessively. Proper height reduces back strain during yard work. You can customize the fit for your comfort. This feature is less common in rigid electric mowers. It adds versatility for different operators in the same household.

Design And Build Details

The Greenworks STF314 is a cordless string trimmer with a 13-inch cutting width. It weighs 9.92 pounds, which is light for a gas replacement. The shaft telescopes from 40 to 52 inches. This range fits users from 5 feet 2 inches to 6 feet 4 inches. You can adjust the handle to seven positions. The head pivots through seven settings. This lets you trim under decks or edge sidewalks. The tool includes a steel edging guide. It switches between trimmer and edger modes in three clicks. This design saves time compared to gas tools that take fifteen minutes to change.

The listing states the tool is 30 percent lighter than gas trimmers. It also claims anti-vibration technology reduces fatigue by 40 percent. You get a 0.065-inch auto-line feed. It handles weeds up to 1.5 inches thick. The unit comes in Green Gen 2 color. The battery is 2.0 Ah. This capacity powers the motor for moderate tasks. The tool operates at 78 decibels. This is quieter than gas models. You can use it in the morning without waking neighbors. The listing notes it is maintenance-free. The motor lasts ten years. You do not need gas or oil. This makes it easy to store and start instantly. The design suits small yards and tight spaces. You can reach fence lines and flower beds easily. The telescoping shaft helps you avoid bending over. This reduces strain on your back. The build focuses on practical adjustments for different user heights. The steel guide ensures straight edges. The pivoting head adds versatility. You get one tool for multiple jobs. This simplifies your lawn care routine.

Setup And Everyday Use Guide

Setup begins with attaching the telescoping shaft and adjusting the handle to your preferred height. The shaft extends from 40 to 52 inches, accommodating users between 5 feet 2 inches and 6 feet 4 inches. This adjustability helps reduce fatigue during longer sessions. You insert the 2.0 Ah battery into the tool. The 40V power source provides instant start capability in one second, eliminating the pull-cord effort required by gas models. There is no need to mix gas or oil, which simplifies maintenance significantly.

In daily use, the 7-position pivoting head allows you to switch between trimming and edging. You can trim under decks at position one, edge sidewalks at position three, clear fence lines at position five, or detail flower beds at position seven. The 13-inch cutting swath handles weeds up to 1.5 inches thick using 0.065-inch auto-line. The included steel edging guide helps create sharp borders around sidewalks and driveways. The tool converts between trimmer and edger modes in three clicks, which is faster than changing attachments on gas tools.

Operation is quieter than gas alternatives, registering at 78 decibels. This level is suitable for morning use without disturbing neighbors. The anti-vibration technology further reduces hand fatigue. The 40V battery is compatible with over 100 Greenworks tools, including mowers and snow blowers. This shared platform means you can use the same battery across multiple tools in your yard care arsenal. The motor is maintenance-free and designed to last over ten years with proper care.

Before You Buy This Trimmer

You already own a Greenworks 40V cordless lawn mower? This trimmer shares that same battery platform. Check your existing battery capacity. A 2.0 Ah pack drains fast on thick weeds. You may need a higher capacity battery for larger yards. The 13-inch cut width suits small to medium lawns. It pairs well with your mower for a unified system. Avoid mixing brands to keep your workflow simple. Upkeep is minimal. Ringe the shaft after use. Store the battery indoors during winter. The telescoping shaft needs occasional tightening. Check the auto-feed line. Replace it when worn. This tool fills the gap between your mower and fence lines. It is not a substitute for a full-size mower. Use it for edges and hard-to-reach spots. Keep it near your charging station. This ensures you always have power ready. The lightweight design reduces fatigue. It complements your existing Greenworks arsenal perfectly.

Check before you buy

• Verify your existing Greenworks 40V battery capacity matches your yard size.
• Confirm the 13-inch cutting width fits your lawn's edge requirements.
• Ensure you have indoor storage for the battery during winter.
• Check if the telescoping shaft adjustment range suits your height.

The product at a glance

1

Greenworks 40V 13-Inch Cordless String Trimmer

Best for: Small yards needing trimmer and edger versatility

Voltage

40V

Cutting Swath

13 in

Power Source

battery

Shaft Type

telescoping

Battery Capacity

2.0Ah

Cutting Width

13-Inch

View on Amazon: Greenworks 40V 13-Inch Cordless String Trimmer Affiliate link

This Greenworks 40V tool converts to an edger in three clicks. It features a 13-inch cutting swath and a 2.0 Ah battery. The telescoping shaft adjusts from 40 to 52 inches for different user heights. Weighing 9.92 pounds, it includes anti-vibration technology to reduce fatigue. It runs quietly at 78 dB and starts instantly without gas or oil.

Pros

• Converts to an edger in three clicks with a steel guide
• Telescoping shaft adjusts 40 to 52 inches for users 5'2 to 6'4
• 7-position pivoting head handles decks, sidewalks, and flower beds
• Weighs 9.92 pounds with anti-vibration tech to reduce fatigue
• Runs at 78 dB for quiet operation

Cons

• 2.0 Ah battery capacity limits runtime for larger yards
• 13-inch cutting width is narrow for extensive trimming tasks
• Includes only one battery, requiring purchase of spares for extended use

Good fit if

• You need a tool that functions as both a trimmer and an edger
• You want a lightweight option under 10 pounds for reduced fatigue
• You prefer quiet operation suitable for early morning use

Skip if

• You require a wider cutting swath for faster clearing of large areas
• You need a higher capacity battery for extended runtime without swapping
• You prefer a fixed shaft for maximum rigidity during heavy-duty work

Verdict: Greenworks 40V 13 in Cordless String Trimmer is a versatile choice for users needing a trimmer and edger in one lightweight package. It suits those with small to medium yards who value quiet operation and easy height adjustments.

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See also

• greenworks 40v 13 in cordless alternatives
• best greenworks string trimmers with 4 0 ah
• greenworks 40v 18 in cordless review
• greenworks 40v 12 in cordless review