With the Black+Decker 18V Li-Ion Battery Grass Trimmer GLC1823L20, you can cut up to 1,500 meters on a single battery charge. Thanks to the patented gear drive, torque and power remain consistently high, even in tall or wet grass. An adjustable second handle and an extendable telescopic shaft provide additional comfort and improved control. The cutting head can be easily switched from trimming to edging, and the guide rail along with automatic vertical speed reduction ensures a perfect lawn edge.