... 2.Model:EM-5518 3.MOQ:1000PCS 5v li ion battery pack Basic parametersOutput Voltage: DC5.0V±0.25VOutput Current:≥ 500mA ... : 90 mm× 54 mm× 13mmWeight: (about)55g Product DescriptionThis product is a high-performance USB interface, mobile power, using high-quality ultra ... , PSP, IPOD, MP3,MP4, PMP, GPS, Bluetooth, digital cameras.emergency battery external battery pack lifepo4 battery pack 5v li ion ...