The slm 540 ae cordless mower offers the consumer a practical alternative to petrol and electric mowers.stiga's slm 540 ae has a cutting width of 38cm and 6 height cutting options ranging through 25 75mm. The robust but lightweight deck enable the mower to be easy to handle and manoeuvre whist still being able to take knocks. Ffitted with a 40 litre collection box with a vision window so the user can see when the box is full. With 2 cutting options collect or mulch mulch plug not included the user can easily switch between the 2. Simply add the mulch plug for extra fine cuttings that simply get blown back onto the lawn. Mulching is particularly good for your lawn as it provides nutrients and moisture to the roots, promoting healthy lawn re growth. the slm 540 ae joins the range of stiga powerhead 500 series 48v battery powered garden equipment. The 500 series batteries are compatible with all of the machines and are available in 3 different sizes sbt520 2ah, sbt540 4ah and sbt 550 5ah. For the best performance, stiga recommend the sbt 540 ae 4ah battery for this particular machine. The higher the ah number, the longer the battery will run. please note battery and charger not included available as optional extra. specificationsbattery powered cordlessenergy 17whmotor type 500 series brushlessvoltage 48vbattery and charger included nodrive no, hand propelled, pushdeck polypropylenecutting width 38cmcutting height adjustment central levercutting height settings 6 from 25 75 mmgrass collector plastic with windowcollector capacity 40lhandlebar adjustable comfort with camlocksmulching not included, optional extrawheel size 150 250 mmmanufacturer warranty 2 year domesticstiga recommendations 1 x 2 ah battery and sfc 530 ae fast charger both sold separately