STIHL ASA 20 Review: Power and Precision in Your Garden

June 20, 2025
STIHL ASA 20 Review: Power and Precision in Your Garden - using battery secateurs for pruning branches.

Pruning Reinvented for the Modern Gardener

When it comes to maintaining a tidy, healthy garden, having the right gardening tools can make all the difference. The STIHL ASA 20 Cordless Battery Secateurs are designed to bring power with 12 cuts per minute, precision dual blade opening settings, and comfort to your pruning tasks. Whether you're trimming back shrubs, shaping fruit trees, or tackling tougher stems, this STIHL AS battery-powered tool offers the performance of professional equipment in a compact, user-friendly package. Backed by impressive stats and thoughtful design features, the ASA 20 is a smart upgrade for both hobby gardeners and seasoned landscapers alike.

Why the STIHL ASA 20 is a Cut Above the Rest

Power Meets Precision

  • Cleans through green material up to 25 mm thick—on par with mid-range pneumatic pruners

  • Progressive blade action tracks with your grip—delivering clean, controlled cuts only as far as you squeeze .

Battery Performance You Can Rely On

  • Powered by STIHL’s 10.8 V AS 2 lithium-ion battery, delivering up to 2,000 cuts per full charge 

  • Reviews confirm a ~70-minute full charge time, perfect for medium-sized trimming sessions 

  • Consistent motor power maintained until battery is fully depleted—no gradual loss in performance

Featherweight Design

  • Bare tool weighs just 0.76 kg (1.7 lb)—under 1 kg even with battery 

  • Comfortable grip and ergonomic design significantly reduce wrist fatigue, ideal for extended jobs

  • Operates around 70 dB(A)—pleasantly quiet compared to conventional power tools

Smart Convenience Features

  • Easily selectable blade widths (≥25 mm / smaller) via OLED display—speeds up cutting of finer twigs 

  • On-board maintenance tool and blade guard included—blades stay sharp and safe 

  • OLED screen keeps you informed—shows battery charge, blade mode, and total cut count

VIEW MORE DETAILS HERE

Who Should Use the ASA 20?

  • Home gardeners who prune shrubs, fruit trees, vines, or ornamentals.

  • Older gardeners who suffer with joint pain or grip fatigue, thanks to its light design and power boost.

  • Eco-friendly gardeners seeking quiet, emission-free cordless performance.

  • Garden professionals, who appreciate repeatable cuts and quick job turnover.

Summary Table

Feature Detail
Max cutting diameter 25 mm
Cuts per charge up to 2,000
Charge time ~70 minutes
Tool weight (without battery) 0.76 kg
Noise level ~70 dB(A)
Blade settings 2 widths selectable
Extras OLED display, blade guard, maintenance tool


Final Thoughts

The STIHL ASA 20 delivers a rare combination: lightweight agility, cordless freedom, smart intelligence, and lasting performance. Whether you're shaping your rosebeds, training climbing vines, or giving your garden infrastructure a final trim, this battery powered secateur makes pruning professional—but accessible to every green thumb.

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