The STIHL HSA 100 is the definitive “silent partner” for landscaping professionals and large-estate owners who need to work in noise-sensitive zones without compromising on raw cutting power. Part of the elite AP System, this cordless powerhouse completely eliminates the high-pitched whine and fumes of petrol models while delivering a blistering 3,000 strokes per minute. Designed for the “marathon” workdays common in Irish gardening, the HSA 100 features a massive 60 cm double-sided blade with an extra-wide 34 mm tooth spacing, making it one of the few battery units capable of biting through old, woody growth that usually requires a petrol trimmer. If you are looking for a tool that pairs “whisper-quiet” operation with the rugged durability of an IPX4 splash-proof rating, the HSA 100 is in a league of its own. Intelligent Anti-Block Recovery System: Never manually unjam a blade again. If the HSA 100 hits a branch too thick to cut, the motor automatically detects the resistance and reverses the blade rotation to clear the jam instantly at the touch of a button. 180° Rotatable Multi-Function Handle: The rear handle locks into three distinct positions across a 180° arc. This unique “Ergo-Shift” allows you to maintain a natural, horizontal wrist position whether you are cutting a flat top or a vertical side, significantly reducing long-term repetitive strain. EC (Brushless) Constant-Power Engine: Unlike standard motors that slow down as the battery drains or when hitting thick material, the HSA 100’s EC motor communicates with the battery to maintain a constant stroke rate until the very last drop of energy is used. Integrated Screw-On Cut Protection: While others use flimsy clip-ons, the HSA 100 features a screwed-on cut guard that provides a physical safety barrier between the user and the blades, which also incorporates an integrated tip protector to stop damage when working flush against walls or pavements. Optimal 34° Sharpening Angle: The blade geometry is laser-tuned to a specific 34° angle, which provides a “clean-shear” finish that promotes faster hedge healing and prevents the brown, shredded ends common with low-quality trimmers. Weather-Hardened IPX4 Construction: Specifically designed for professional use in unpredictable climates, the entire internal circuitry is sealed against splash water, allowing you to finish the job even when the Irish rain starts. Battery Model Max Runtime (Approx.) AL 301 Charge (80/100%) AL 500/501 Charge (100%) AP 200 S 150 Minutes 40 / 55mins 35 mins AP 300 S 225 Minutes 55 / 80 mins 45 mins
