... device 4.CE,Rohs,FCC,UL 23000mAh Dual USB Mobile Battery Charger for Laptop 1.Specification CertificateFCC,CE,UL certificationInput15-24V 1 ... ). A wide range of output voltage: 5V, 9V, 12V, 16V,19V. It can charge for Notebook, Tablet PC, DC/DV, MP3/MP4 ...