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Greenworks Pro 80V String Trimmer ST80L210 (substituted for STIHL FSA 80 R): What to Know
This slot originally went to the STIHL FSA 80 R. STIHL restricts sales of its battery and gas trimmers to its authorized local-dealer network and does not sell them through Amazon; searching Amazon directly turns up STIHL replacement line, trimmer heads, and one unrelated low-power corded electric model (the FSE 31), but never the FSA 80 R itself or any comparable STIHL cordless or gas trimmer. Rather than point readers to a product they can't actually buy on this platform, we substituted the Greenworks Pro ST80L210, which is Greenworks' higher-voltage 80V cordless trimmer and a confirmed, currently in-stock Amazon listing (ASIN B09GFS358V).
The ST80L210 runs on Greenworks' 80V battery system, which is the highest voltage of any trimmer in this roundup (compare EGO's 56V, DEWALT's 60V MAX, RYOBI's 40V HP, and Makita's 36V), though as with the rest of this guide, remember that voltage numbers aren't directly comparable across brands. The listing we verified bundles a 2.0Ah battery, a rapid charger (Greenworks states a 30-minute recharge), and a bonus extra replacement spool of line.
Cutting swath is 16 inches, in the middle of this group, cut by dual 0.080-inch line through a straight-forward bump-feed head, no proprietary auto-feed system here. Greenworks states up to 45 minutes of runtime on the included 2.0Ah battery, noticeably shorter than the larger-capacity batteries bundled with the RYOBI and EGO kits above, which tracks with the 2.0Ah battery being a smaller capacity than those competitors' included packs; stepping up to a larger 80V battery separately would extend that runtime but adds cost.
On weight, third-party spec listings we checked put the bare tool around 7 lbs and around 9.7 lbs with the battery installed, putting it in a similar range to the EGO ST1623T. Like EGO and RYOBI, this is a dedicated straight-shaft trimmer without attachment-head capability.
Key Listed Features
80V Greenworks battery system, the highest voltage in this comparison, 2.0Ah battery and charger included
16-inch cutting path with dual 0.080-inch line, bump-feed head
Up to 45 minutes runtime on the included 2.0Ah battery; 30-minute rapid recharge
Kit includes a bonus extra replacement line spool
