This pole pruner is part of the alko easyflex 20v cordless range of gardening equipment. Cordless tools provide freedom of movement around the garden without trailing wires or cable to hamper you.the csa2020 pole pruner has a maximum working height of 3.5 metres which can be achieved with the adjustable telescopic shaft. Fingertip controls on the ergonomic handle make the csa 2020 comfortable to operate and easy to handle. The 20cm guide bar uses a robust cutting chain which can cut through branches up to 10cm thick.running times will vary according to the battery fitted and the working conditions. Thick material will require more power which will drain the battery quicker.2.5ah battery up to 15 minutes5.0ah battery  up to 25 minutesbatteries and charger are not included with the pruner and are available to purchase separately. The lithium ion batteries and charger are compatible with any tool in the easy flex 20v range.specificationspower 20v lithium ion battery not includedcutter bar length 20 cmmaximum working height 3.5madjustable shaft yesadjustable head yesspeed 3.8 m ssound level 92 dbaweight excl battery 3.1 kgmanufacturer warranty 2 year domesticbattery and charger not included