Close up of HSA 45 with man pointing out the battery indicator lights

Close up of HSA 45 being used to trim bushes

HSA 45 resting on deck next to a pair of STIHL glasses and gloves

Close up of man using HSA 45 to trim bushes

Man using HSA 45 to trim bushes on side of house

How to Assemble: HSA 45 | STIHL Tutorial

HSA 45

Name: HSA 45
Brand: STIHL
SKU: hsa45
Rating: 4.5880 (551 reviews)

Ask a Question

The HSA 45 can clear a 20-inch-wide hedge, more than a football field long, On A Single Charge™.

Features

Integrated Battery
Battery Indicator Lights
Double-Sided Cutting Blades
Activation Key

Part of the AI Line, the HSA 45 hedge trimmer delivers high-cutting speeds and a compact, ergonomic design. It is lightweight for enhanced portability and features an integrated battery—so you have no separate battery or charger to manage. On A Single Charge™, the HSA 45 can trim a hedge 20" wide and a length longer than a football field (360 feet).* With its high cutting speeds of 2,500 strokes per minute, it will take care of your small, urban yard in no time. The HSA 45 battery-powered hedge trimmer is ideal for smaller property care.

*Usage claim tested and verified by an independent third-party test laboratory. Run time may vary based on battery type, charge level and capacity, model, operating style, and conditions. Batteries and chargers can be purchased separately or as a combined set with tool.

Features
- Integrated Battery -
  This product includes a built-in battery and corresponding charger. The integrated battery is charged via an external charging cable.
- Battery Indicator Lights -
  This product is equipped with built-in indicator lights, showing the battery status and remaining level of charge.
- Double-Sided Cutting Blades -
  STIHL hedge trimmers with double-sided cutting blades cut both directions.
- Activation Key -
  When removed, the activation key helps prevent accidental use/startup of the product. Battery will still charge with activation key removed – charge lights also work as well.
- Compact, Ergonomic Design -
  The compact, ergonomic design provides more comfortable use.
- Blade Scabbard -
  The blade cover helps protect the cutting blade during storage and transport.
- Lightweight Portability -
  This product is lightweight for easy portability, great maneuverability, and extended use.
- Functional Design -
  The housing has smooth surfaces and round contours that help to keep it from getting caught on branches during use. The design also makes cleaning easy.
- Rubberized Soft-Touch Handle -
  Soft rubber texture is both easy to grip and makes the product comfortable to hold for extended periods.
- Throttle Trigger Lockout -
  This safety feature must be depressed before the trigger can be activated.
- High-Tech Polymer Housings -
  Housings are lightweight, withstand greater impact, and are corrosion-resistant.
- Reduced-Emission Engine Technology—Caring for Nature -
  The STIHL Inc. “Caring for Nature” seal identifies its powered products that are more environmentally conscious, producing zero or low exhaust emissions. STIHL Inc. defines “low exhaust emissions” as being cleaner than EPA and/or CARB exhaust emission standards.

Specifications

Questions And Answers

Reviews

Warnings And Safety
Product Instruction Manual (PDF)
Product Safety Manual (PDF)
View Our Usage Chart
STIHL Limited Warranty
Contact Us

Note: STIHL engine products with the Caring for Nature logo are cleaner than EPA Standards for exhaust emissions.
WARNING! Improper use of any power tool may cause serious or fatal injury. Read, understand, and follow carefully the operating and safety instructions in your instruction manual before using such products.

STIHL products sold through U.S. STIHL Dealers are for distribution in the United States only.

SERVICE AND TIPS

Operating Instructions

The operating instructions for your STIHL product are available right here 24/7. Please review your instructions carefully and often.

Get Operating Instructions

FAQ

Have a question? We have the answer you need. Browse our most frequently-asked questions and get information right here.

Get Answers In The FAQ

Guides And Projects

Discover projects with step-by-step instructions, find advice and tips related to your product and check out helpful how-tos.

View Guides And Projects

POWER SOURCE	Battery
WEIGHT	5.1 lbs.
BLADE LENGTH	20 in.
STROKES PER MINUTE	2,500 strokes
BATTERY SYSTEM	AI Line
RUN TIME (w/ Integrated Battery) UP TO	40 min.
CHARGE TIME	210 min.