The ego bc 3800e 56v power cordless brush cutter and line trimmer has a 15inch 38cm cutting path suitable for most small to medium domestic strimming jobs. The rapid reload head on the bc3800e is dual feed bump feed with 2.4mm spiral twist cutting line. The cutting line length is controlled by ‘bumping’ the trimmer head on the ground. This releases fresh line for cutting back thicker stemmed undergrowth including brambles and nettles change to the metal blade the bike handle design with aluminium straight shaft and double harness gives increased user comfort if you’re using the brushcutter for longer periods. A variable speed function means you can adjust your speed to the cutting conditions. The ego power bc3800 e can be used with all size lithium ion batteries in the ego power range. Running times will vary according to the size battery you are using and the cutting conditions.battery and charger not includedspecificationsmodel bc 3800ehandle double biketype brush cuttermotor brushlesscutting width 38cm 15 inchcutting head bump feedcutting line 2.4mm diameter, dual feed with rapid reloadmetal blade yesrun time up to 30 minutes with a 2.0 ah battery not incl and 65 minutes with a 7.5ah batteryweight 3.4kg without batterywarranty manufacturer's 5 year domestic, 1 year commercial