The sc 80 ae cordless chainsaw from stiga offers some great features usually only found on petrol machines. the chainsaw is fitted with an oregon bar and chain. Oregon is the best quality and most popular brand for electric and petrol chainsaws. Featuring a chain brake and an automatic chain oiler with a side screw for tensioning the chain should it become slack. stiga recommend their 80c 2.5ah battery for the sc 80 ae but a larger battery and harness can be used. The larger the battery used, the longer the chainsaw will run for before needing a recharge. when using the recommended 80v battery harness, the battery is carried on the users back and not clipped into the machine itself. Simply attach the cable onto the machine to transfer the power to the 1600w digitorq brushless motor inside the chainsaw. The 4ah and 5ah batteries weigh 1kg more than the 2.5ah battery, so this is particularly useful when using the larger batteries. the stiga 80v cordless gardening machines off all the power of petrol machines with the reduced noise and low emissions of battery powered machines. A quieter, more environmentally friendly way to maintain your garden. The 80v cordless collection from stiga not only offer mowers, there's also a selection of hand held power tools that all utilise the same batteries. The 5 garden handheld tools include a chainsaw, leaf and garden blower, hedge trimmer and 2 brush cutters grass trimmers, offering both loop and double handles. please note battery and charger not included available to purchase as an optional extra. specificationsmodel sc 80 aetype cordless chain sawengine digitorq brushless motornet power output 1600wengine capacity 80v lithium ion batterybar type oregonbar length 40cm 16 inchchain type 3 8”chain pitch .050”chain speed 11 m schain brakeside tensioning screwautomatic chain oilerapprox working time 15 minutesrecommend battery stiga 80v 2.5ah not includedbattery charger not includedweight without a battery 4.5kgnoise output dba 99warranty manufacturer's 2 year domestic