Black+Decker LST136W String Trimmer vs Bosch Rotak 43 LI Cordless Lawnmower
Side-by-side comparison of features, pricing, ratings, and alternatives.
The Black+Decker LST136W is a versatile cordless string trimmer designed to handle tough weeds, grass, and overgrown lawn edges with ease. Powered by a high-capacity 36V Lithium-Ion battery, it delivers reliable gas-like performance without the hassle of pull cords, mixing fuel, or dealing with extension cords. Featuring an innovative PowerCommand dial, users can easily choose between maximum runtime to maximize battery efficiency or maximum power to slice through thick brush. Its automatic feed spool (AFS) ensures continuous work without bumping, while the easily convertible wheeled edge feature transforms the trimmer into an edger for crisp lawn boundaries.
The Bosch Rotak 43 LI Cordless Lawnmower offers the ultimate freedom of cord-free mowing without compromising on power. Equipped with an advanced lithium-ion battery system and efficient electric motor, it delivers clean cuts and reliable performance across your entire lawn. Featuring innovative grass combs, ergonomic handle design, and a generous collection box, this mower makes garden upkeep comfortable and efficient. Its lightweight build and adjustable cutting heights ensure precision results with minimal physical strain.
- Cordless convenience with no gas or oil mess
- PowerCommand dial optimizes battery life vs power
- Quickly converts from trimmer to wheeled edger
- Automatic line feed eliminates manual bumping
- No tangled cords or petrol fumes
- Ergonomic handles reduce back strain
- Cleans edges exceptionally well
- Lightweight and easy to store
- Battery and charger may be sold separately depending on the kit
- Limited runtime on maximum power setting
- Not heavy-duty enough for dense brush or woody thickets
- Battery and charger may be sold separately depending on the kit
- Limited runtime for very large acreage
- Higher upfront cost than corded models
More alternatives & similar tools
Alternatives to Black+Decker LST136W String Trimmer
View all →
A powerful cordless rotary lawn mower designed for effortless garden maintenance.
Powerful cordless lawnmower designed for effortless medium to large garden maintenance.
Powerful and lightweight cordless leaf blower for effortless yard cleanup.
56V cordless self-propelled lawn mower with interchangeable blades
Alternatives to Bosch Rotak 43 LI Cordless Lawnmower
View all →A powerful cordless rotary lawn mower designed for effortless garden maintenance.
Cordless 36V string trimmer offering powerful performance and adjustable cutting width.
Powerful 40V cordless chainsaw delivering gas-like performance without the hassle.
Powerful and lightweight cordless blower for jobsite and yard cleanup.
The Verdict
AI-generated from listing dataThe Bosch Rotak 43 LI is a full‑size cordless mower for medium‑large lawns, while the Black+Decker LST136W is a versatile cordless trimmer/edger for smaller yards.
Key differences
- •Function: mower vs. string trimmer/edger
- •Cutting width & grass handling: 50 L box mower vs. line‑feed trimmer
- •Target area size: medium‑large gardens vs. medium‑sized yards
- •Ergonomics: mower’s Ergoflex handles vs. trimmer’s adjustable height/handle
- •Battery runtime: mower limited for very large acreage; trimmer limited at max power
Primary Function
Bosch provides mowing with a 50 L box; Black+Decker only trims/edges.
Suitable Area Size
Bosch marketed for medium‑to‑large gardens; Black+Decker for medium‑sized yards.
Battery Runtime for Large Tasks
Trimmer’s PowerCommand dial can extend runtime; mower noted as limited for very large acreage.
Ergonomics & User Comfort
Bosch features Ergoflex ergonomic handle system; trimmer only mentions adjustable height/handle.
Grass Collection Capacity
Bosch includes a 50 L grass box; trimmer has no collection box.
Warranty
Both offer a 2‑year warranty.
Smart Connectivity
Neither product includes smart connectivity.
Choose Black+Decker LST136W String Trimmer if…
Homeowners with medium yards who want a lightweight trimmer that can also edge.
Choose Bosch Rotak 43 LI Cordless Lawnmower if…
Homeowners with medium‑to‑large lawns needing regular mowing and grass collection.
Common questions
Do I need to buy the battery and charger separately?
Both products state the battery and charger may be sold separately depending on the kit.
Which tool can handle grass clippings without manual bagging?
The Bosch mower has a 50 L grass collection box; the Black+Decker trimmer does not collect clippings.
Can the Black+Decker be used for mowing a large lawn?
No; it is a string trimmer/edger, not designed for mowing large areas.