Professional trimmer with ECOSPEED

  • The FSA 90 R professional lithium-ion trimmer is equipped with ECOSPEED to enhance running time and battery performance. Powered by an energy-efficient EC-motor and an ergonomic handle, this trimmer is designed to work long and hard. Get the power and performance you were looking for with the STIHL FSA 90 R lithium-ion trimmer.
  • Batteries and chargers must be purchased separately. Run time on a single battery charge can vary and depends on the battery type, charge level, tool model, operating conditions, and the user's operating style.

SKU Description Price
FSA90R Lithium Ion Trimmer (battery and charger sold separately) $349.95

Prices and specs subject to change without notice. Product Special prices are while quantities last.


Rated Voltage36 V
Cutting head AutoCut 25-2
Weight without battery2.8 kg / 6.2 lbs
Battery life with AP 100 – Approx. time running at continuous full power10 min
Battery life with AP 300 – Approx. time running at continuous full power30 min
Battery life with AR 900 – Approx. time running at continuous full power120 min
Battery life with AR 3000 – Approx. time running at continuous full power150 min

Addition Info

Safety locking button – All STIHL battery products have a locking button with which you can lock the device. This prevents the grass trimmer starting unintentionally when a live battery is inserted.

Adjustable Handle – With the thumb screw, the pre-assembled, ergonomic loop handle can be adjusted to the desired position without tools.

Hanging loop – Hang your cordless brushcutter securely on a wall to save space using the loop in the handle housing.

STIHL Electric Motor (EC) – The STIHL electric motor (EC) is extremely energy efficient, lightweight and compact. It runs quietly, generates very low vibrations and does not require servicing.