All of our top picks
The RY40250 pairs a full 4.0Ah battery with gas-like 40V power and an easy-load line head — everything a medium-yard homeowner needs to finish the job on a single charge without blowing the budget.
The Ryobi RY40250 delivers gas-like power for homeowners with medium yards, backed by a 4.0Ah/40V battery, the easiest line-replacement system in its class, and Expand-It attachment versatility — all within the $189 budget target.
The Ryobi RY40230 delivers 32cc gas-equivalent power with up to 45 minutes of claimed runtime, broad Expand-It attachment compatibility, and a 5-year warranty — strong value for medium-yard homeowners at $119–$239
The Ryobi RY40230 delivers 32cc gas-equivalent power with up to 45 minutes of claimed runtime, broad Expand-It attachment compatibility, and a 5-year warranty — strong value for medium-yard homeowners at $119–$239. A minority of users report string breakage and overheating, but overall satisfaction is high (4.5/5, 90% recommend).
The Greenworks 40V G-MAX 13" trimmer is a budget-friendly, low-vibration cordless trimmer well-suited for ¼–½ acre yards, offering 30–60 minutes of runtime depending on battery size and conditions — adequate for regular maintenance but tight for heavy-duty or large-yard use.
The Greenworks 40V G-MAX 13" trimmer is a budget-friendly, low-vibration cordless trimmer well-suited for ¼–½ acre yards, offering 30–60 minutes of runtime depending on battery size and conditions — adequate for regular maintenance but tight for heavy-duty or large-yard use.
The Ryobi RY40290 is a solid 40V HP Brushless 15-inch trimmer with carbon fiber shaft and Expand-It attachment compatibility, offering strong cutting performance and ~45–65 min runtime depending on battery size — a good fit for medium yards, especially for existing Ryobi 40V ecosystem users.
The Ryobi RY40290 is a solid 40V HP Brushless 15-inch trimmer with carbon fiber shaft and Expand-It attachment compatibility, offering strong cutting performance and ~45–65 min runtime depending on battery size — a good fit for medium yards, especially for existing Ryobi 40V ecosystem users.
How we picked the best
Our agents evaluated dozens of cordless string trimmers by analyzing runtime test data, power performance on real yards, build quality reports, and pricing across community reviews and expert sources. Every model in this report was pressure-tested specifically against the demands of a medium-sized yard on a single charge within a $100–$200 budget.
Battery Runtime
A trimmer that dies halfway through your yard wastes your time and your money. We required models to deliver at least 40 minutes of real-world runtime on a single charge, with priority given to those consistently finishing medium-sized yards without a battery swap.
Cutting Power
Medium yards often mean thick grass, overgrown edges, and stubborn weeds that bog down underpowered motors. We evaluated each trimmer's ability to maintain consistent cutting speed under load, favoring brushless motors and battery voltages of 40V or higher.
Durability & Build Quality
A string trimmer is a long-term investment, and a flimsy build means costly repairs or early replacement. We assessed construction quality, motor reliability, and long-term owner feedback to ensure every pick holds up through multiple seasons of regular use.
Value for Money
Within the $100–$200 price range, the best trimmers deliver the strongest combination of runtime, power, and durability without unnecessary extras that inflate the price. We scored each model on how much real-world performance you get per dollar spent.
Battery Capacity
A higher amp-hour rating directly translates to longer runtime before you need to recharge. We focused on models equipped with at least a 4.0 Ah battery, as smaller packs consistently fell short of completing a full medium-yard session.
Research stats
Ryobi 40V Expand-It 15" String Trimmer (RY40250)
The Ryobi RY40250 delivers gas-like power for homeowners with medium yards, backed by a 4.0Ah/40V battery, the easiest line-replacement system in its class, and Expand-It attachment versatility — all within the $189 budget target.
The RY40250 pairs a full 4.0Ah battery with gas-like 40V power and an easy-load line head — everything a medium-yard homeowner needs to finish the job on a single charge without blowing the budget.
Ryobi 40V Expand-It 15" String Trimmer (RY40250)
Key specs
| Trigger | Variable Speed |
| Voltage | 40V |
| Warranty | 5-Year Limited |
| Cut Swath | Adjustable 13–15" |
| Line Size | 0.080" |
| Trigger Type | Variable Speed |
| Charging Time | ~2 hours |
| Cutting Swath | Adjustable 13–15" |
Highlights
- Gas-like power for a homeowner cordless trimmer — handles thick grass and low weeds
- REEL-EASY Speed Winder makes line replacement the fastest/easiest in class (~1 min)
- Expand-It attachment system adds edger, blower, cultivator compatibility
- 4.0Ah battery with ~2-hour charge time suits medium-yard sessions
- 5-year limited warranty — strong for the category
- Variable speed trigger extends runtime when full power isn't needed
Worth knowing
- Not suitable for commercial or all-day professional use
- Attachment locking mechanism could be more refined
- Bump-feed line advancement (not auto-feed)
- Lighter 0.080" line vs. some competitors using 0.095"
What people are saying
Ryobi 40V HP Brushless 16-inch Attachment Capable String Trimmer (RY40230)
The Ryobi RY40230 delivers 32cc gas-equivalent power with up to 45 minutes of claimed runtime, broad Expand-It attachment compatibility, and a 5-year warranty — strong value for medium-yard homeowners at $119–$239. A minority of users report string breakage and overheating, but overall satisfaction is high (4.5/5, 90% recommend).
The Ryobi RY40230 delivers 32cc gas-equivalent power with up to 45 minutes of claimed runtime, broad Expand-It attachment compatibility, and a 5-year warranty — strong value for medium-yard homeowners at $119–$239
Ryobi 40V HP Brushless 16-inch Attachment Capable String Trimmer (RY40230)
Key specs
| Motor | Brushless HP |
| Length | 68 in. |
| Weight | 9.25 lbs |
| Runtime | Up to 45 min. |
| Voltage | 40V |
| Warranty | 5-year limited |
| Motor Type | Brushless HP |
| Noise Level | 93 dBA |
Highlights
- 32cc gas-equivalent brushless power handles tough weeds
- Two speed modes for power vs. runtime balance
- Up to 45 min. claimed runtime with 3.0Ah battery
- Adjustable 15–17 in. cutting swath (tool-free)
- Full Ryobi Expand-It attachment compatibility
- 35–40% quieter than gas alternatives
- 5-year limited warranty
- Competitive pricing ($119–$239 depending on kit)
Worth knowing
- Some user reports of frequent string breakage
- Overheating under heavy/extended use reported by subset of users
- Safety shield spin-off issue noted in some units
- Vibration management less refined than carbon fiber model
- 68-inch length may feel short for taller users
- Base kit includes only 3.0Ah battery
What people are saying
GreenWorks 13" 40V G-MAX Cordless String Trimmer
The Greenworks 40V G-MAX 13" trimmer is a budget-friendly, low-vibration cordless trimmer well-suited for ¼–½ acre yards, offering 30–60 minutes of runtime depending on battery size and conditions — adequate for regular maintenance but tight for heavy-duty or large-yard use.
The Greenworks 40V G-MAX 13" trimmer is a budget-friendly, low-vibration cordless trimmer well-suited for ¼–½ acre yards, offering 30–60 minutes of runtime depending on battery size and conditions — adequate for regular maintenance but tight for heavy-duty or large-yard use.
GreenWorks 13" 40V G-MAX Cordless String Trimmer
Key specs
| Weight | ~12 lbs |
| Voltage | 40V G-MAX Lithium-Ion |
| Warranty | 4-year tool / 2-year battery |
| Head Type | Bump-feed dual spool / auto-feed |
| Cutting Path | 13" (some variants 15") |
| Cutting Swath | 13" (some variants 15") |
| Line Diameter | 0.080" |
| Variable Speed | Yes |
Highlights
- Very low vibration compared to gas — easy on arms and shoulders
- Quiet enough to hold a conversation while trimming
- Reliable bump-feed head and easy spool replacement
- Simple 90° pivot converts to edger with one button press
- Compatible with full Greenworks 40V G-MAX battery ecosystem
- 4-year tool warranty above category average
- Budget-friendly pricing ($110 with 2Ah battery + charger)
Worth knowing
- Runtime only ~30 min on high in thick weeds; ~60 min in light conditions
- Heavy at ~12 lbs with 4Ah battery — may fatigue shorter users
- Struggles with very tall/overgrown weeds without full throttle
- Cutting line can break inside spool on initial setup
- Mixed long-term reliability (3.5–3.9 stars across retailers)
What people are saying
Ryobi 40V Expand-It 15-inch String Trimmer (RY40290)
The Ryobi RY40290 is a solid 40V HP Brushless 15-inch trimmer with carbon fiber shaft and Expand-It attachment compatibility, offering strong cutting performance and ~45–65 min runtime depending on battery size — a good fit for medium yards, especially for existing Ryobi 40V ecosystem users.
The Ryobi RY40290 is a solid 40V HP Brushless 15-inch trimmer with carbon fiber shaft and Expand-It attachment compatibility, offering strong cutting performance and ~45–65 min runtime depending on battery size — a good fit for medium yards, especially for existing Ryobi 40V ecosystem users.
Ryobi 40V Expand-It 15-inch String Trimmer (RY40290)
Key specs
| Model | RY40290 |
| Motor | HP Brushless |
| Shaft | Carbon fiber |
| Weight | ~8.8 lbs |
| Runtime | ~45–60 min (estimated; 6.0Ah kit achieves 65+ min) |
| Voltage | 40V |
| Warranty | 5-year tool / 3-year battery |
| Motor Type | HP Brushless |
Highlights
- HP Brushless motor handles thick grass and weeds effectively
- Carbon fiber shaft reduces weight and vibration for extended use
- Expand-It attachment system adds versatility (edger, blower, etc.)
- Quieter than gas at 84–87 dB(a)
- Strong 5-year tool / 3-year battery warranty
- Reel Easy bump-feed head for quick line changes
Worth knowing
- Heavier than lighter-duty cordless trimmers (~8.8 lbs bare)
- 4.0Ah battery may not deliver 60+ min under heavy load; 6.0Ah needed for full runtime
- Kit price ($199–$258) often exceeds the $200 budget target
- 15-inch swath narrower than some competitors' 17-inch models
What people are saying
Notable mentions
Skil PWRCore 40V Brushless 14" String Trimmer Kit LT4818-10
Learn moreKey spec comparison
What to know before buying
Buy for maximum runtime, not the spec sheet
The strongest options here separated themselves by consistently delivering on maximum runtime and power for medium-yard use. That matters more than chasing the longest feature list if the day-to-day experience is weaker.
Use the runner-up as a tradeoff check
Ryobi 40V HP Brushless 16-inch Attachment Capable String Trimmer (RY40230) is the best pressure-test for the winner because it shows what you gain and lose when you optimize a different dimension. If you are tempted by it, make sure that trade is actually tied to your primary use case.
Pressure-test the insufficient runtime to finish the yard claims
Before you buy, look for evidence that directly addresses insufficient runtime to finish the yard rather than relying on brand reputation alone. The right product here is the one that still looks strong after you account for the downside that matters most to you.
Have more questions?
Skip this one
Not worth itSkil PWRCore 40V Brushless 14" String Trimmer Kit LT4818-10
The Skil PWRCore 40V LT4818-10 is a budget-friendly brushless trimmer kit ($149.99) with standout battery technology offering up to 25% more runtime and fast charging, but its 14-inch swath and thin 0.080-inch line limit it to smaller yards and lighter trimming tasks.
- 14-inch cutting swath is small for medium yards (¼–½ acre)
- 0.080-inch line is thinner than competitors, slower on thick weeds
- 9.3 lbs with battery is moderately heavy
- 67-inch length may feel short for taller users
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