Greenworks 24V Cordless String Trimmer & Blower Combo Pack STBA24B210 Innovative walk behind edging for a clean edge every time The innovative axial fan design delivers 100 MPH and 300 CFM to clear hard surfaces quickly Light weight and easy to use 24V 2AH li-ion battery and charger included, Compatible battery and charger models 29842, 29852, & 29862