Ryobi 40V HP Brushless 17 in Trimmer
#3 in BatteryFull review
A strong, wide cutting trimmer for medium to large yards, and a base for Ryobi’s Expand-It attachments.
RYOBI $249$249
The Ryobi 40V HP Brushless 17 in Trimmer is the better string trimmer overall, rated 4.2 to 4.0. The Ryobi 40V HP Brushless 17 in Trimmer leads on warranty and value. The Ryobi 40V HP Brushless 17 in Trimmer costs $20.99 less ($249 vs $269.99).
Greenworks 80V 16 in Brushless Trimmer
#6 in BatteryFull review
A powerful 80V trimmer with long runtime for medium to large yards with tough weeds.
Amazon $269.99$269.99
Prices were last checked October 31, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Ryobi 40V HP Brushless 17 in Trimmer for warranty (5-year warranty vs 4-year warranty) and value ($14.65 per inch of swath ($249 with batteries and charger, 17 in swath) vs $16.87 per inch of swath ($269.99 with batteries and charger, 16 in swath)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every battery string trimmer; a clear win is highlighted. How we rank explains each one.
| Factor weight | Ryobi 40V HP Brushless 17 in Trimmer | Greenworks 80V 16 in Brushless Trimmer |
|---|---|---|
| Overall rating | 4.2/5 | 4.0/5 |
| Value 30% | 45 $14.65 per inch of swath ($249 with batteries and charger, 17 in swath) | 32 $16.87 per inch of swath ($269.99 with batteries and charger, 16 in swath) |
| Line 20% | 100 .095 in line | 100 .095 in line |
| Swath 15% | 100 17 in swath | 100 16 in swath |
| Weight 15% | 50 weight not published (neutral score used) | 84 8 lb (without battery) |
| Warranty 20% | 100 5-year warranty | 75 4-year warranty |
Specifications
| Ryobi 40V HP Brushless 17 in Trimmer | Greenworks 80V 16 in Brushless Trimmer | |
|---|---|---|
| Cutting | ||
| Cutting swath | 17 in | 16 in |
| Largest line | .095 in | .095 in |
| Line feed | Bump feed | Bump feed |
| Shaft | Straight | Straight |
| Converts to edger | No | No |
| Takes attachments | Yes | No |
| Power | ||
| Engine or battery | 40 V, 4 Ah of battery | 80 V, 2 Ah of battery |
| Battery energy | 160 Wh | 160 Wh |
| Battery included | Yes | Yes |
| Runtime | 45 min | 65 min |
| Brushless motor | Yes | Yes |
| Variable speed | Yes | Yes |
| Build | ||
| Weight | - | 8 lb (without battery) |
| Warranty | 5 years | 4 years |
| Battery warranty | 3 years | 4 years |