Lithium brush cutter is a cordless power tool used to cut thick grass, weeds, brush, and small saplings. "Lithium" refers to the lithium-ion battery that powers it.
Key parts:
Motor: Electric motor, usually 40V-80V for heavy-duty models. Mounted at the head or shaft
Lithium-ion battery: Rechargeable pack that clips on. No gas, no cord. Run time ∼30-90 min per charge depending on Ah and load
Cutting head: Swappable. Uses either:
- String/line: Nylon line for grass and light weeds
- Metal blade: 3-tooth, 8-tooth, or circular saw blade for woody brush and saplings up to 1-2" diameter
Shaft: Straight shaft is standard for brush blades. Reaches under shrubs
Handle: Bike-handle or loop-handle with harness to carry the weight
Brush cutter vs string trimmer: A brush cutter