40 V 2. 5 Ah EcoSharp rechargeable lithium-ion battery provides up to 14 minutes of whisper-quiet runtime No pull-cords, gas, tune-ups, carbon emissions or tangled extension cords Ideal for cutting overhanging limbs and thin logs Telescoping pole extends to 8. 5 ft to provide 15 ft of overhead reach Full 2-year ; ETL approved; Energy Star certified Power source type: Battery Powered