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| Rated voltage, V: | 40 (20+20) |
| Engine type: | brushless motor |
| No-load speed, rpm: | 5500–7500 |
| Cutting width (spool): | 12” (300 mm) |
| Cutting width (cutting disc): | 255 |
| Rated voltage, V | 40 (20+20) |
| Recommended battery capacity | 2 x 2 Ah, 2 x 4 Ah, 2 x 6 Ah, 2 x 8 Ah |
| Battery type | Lithium-ion rechargeable battery |
| Number of required batteries | 2 |
| Battery and charger | not included in a set |
| Engine type | brushless motor |
| Cutting width (spool) | 12” (300 mm) |
| Cutting width (cutting disc) | 255 |
| Blade | 3-teeth |
| Cutting thickness (grass trimmer), mm | 2 |
| No-load speed, rpm | 5500–7500 |
| Noise level Lpa (7m)/Lwa, dB | 71/96 |
| Gross dimensions (LxWxH), mm | 970×270×100 |
| Net weight, kg | 3.6 |
| Gross weight, kg | 4.9 |
| SKU | KS BCT-40V |
| Barcode | 4260405367139 |
Register product and get better protection
When you choose Könner & Söhnen®, you’re choosing high-quality equipment built to last. And because we stand behind every product we make, we offer an extended warranty of up to 5 years on certain categories of equipment—absolutely free of charge.
Our standard one-year warranty already covers manufacturing defects and ensures reliable performance, but if you register certain products on our website, you’ll receive an additional warranty extension. This is our way of thanking you for choosing a brand that values trust, durability, and customer care.



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