Because the BTmax uses a 2-stroke engine, it likely shares these general characteristics of 2-stroke brushcutters:
Higher power-to-weight ratio: 2-stroke engines are simpler, lighter, and deliver more power per engine size compared with many 4-stroke engines. This makes the tool easier to carry while still powerful enough for heavy cutting.
Fuel mix requirement: You need to mix petrol and 2-stroke engine oil before fueling the machine (as is usual for 2-stroke engines) to ensure proper lubrication and functioning.
Good for heavy-duty clearing: 2-stroke brushcutters tend to have enough torque and power to handle tougher vegetation (brush, thick weeds, small saplings) more easily than lighter garden trimmers.