Husqvarna Aspire Chainsaw Kit 4.0Ah Battery 2.5Ah Charger is battery-powered Aspire Chainsaw is optimised for pruning, garden clearing, minor tree felling and DIY projects. Reliable and precise cutting results, even in narrow spaces, are secured with the precision bar, the fine chain and high cutting speed. The fine cuts also optimise tree health and give carpentry projects and similar tasks a neat finish. The powerful motor and the lightweight, narrow body design deliver compact performance, excellent maneuverability and a convenient user experience. Tool-free chain tensioning and pre-assembled bar and chain further improve the experience, making it easy to have complete control over the product. Thanks to the smart digital user interface, you can turn the motor on and off with just a push of a button and easily view the battery status, activated chain brake and further indications. Equipped with guiding orange interaction points and automatic shutdown if not used for 180 seconds, reducing the injury risk and extending battery life. To minimise the storage space needed, Aspire Chainsaw is compatible with Husqvarna's storage solution and comes with a tailor-made hook for convenient wall storage. Specification: Chain speed at max power: 14.5 m/s. Output shaft power 1: 0.43 kW. Battery voltage: 18 V. Battery chemistry: Li-Ion. Equipment: Recommended bar length, min: 25 cm. Pitch: 1/4" mini. Recommended bar length, max: 30 cm. Chain type: SP11G. Battery: P4A 18-B72. Bar length: 25 cm. Bar length (inch): 10 inch.