This PPV fan features a 24" high flow jet and a blade size of 24" (610mm). Its dimensions are 25 ¼" x 25 ¼" x 10 ½" (642mm x 642mm x 261mm) and it weighs 62 lbs (28 kg). With a maximum CFM of 16,300 (equivalent to 27,694 m3/h), it also has an open air flow of 34,000 CFM (57,600 m3/h). The Li-Ion battery provides a runtime of 45+ minutes at 16,300 CFM (27,694 m3/h), 4 hours at 9,000 CFM (15,290 m3/h), or 6 hours at 8,000 CFM (13,590 m3/h). It takes 2 hours to reach 90% charge and 3 hours for a full charge with no memory effect. The