Brand:LEMI Model:LM54-221 Certification:CE RoHS Rated input: DC5.0V/2.0A Working current: 0.3-1A Rated power: ≤ 4W Battery capacity: 10000 mA Battery service time: about 27 hours for the first air volume, about 13 hours for the second air volume, and about 8 hours for the third fan Charging ...