The bosch art 26 is powered by an outstanding 18v lithium ion battery to provide a powerful yet lightweight tool which has no cord restrictions offering the user maximum mobility not only will the absence of petrol keep plants healthy but the art 26 can be fitted easily with a plant protector keeping tree bark and plants safe from grass trimming harmthis bosch trimmer features a telescopic handle vertical cutting edge rotating head height adjustment and 26cm cutting diameter the art 23 1