The physical constraints on a new LoBAL QSO at z=4.82

West Light Foundation of The Chinese Academy of Sciences [Y6XB016001]; China Scholarships Council [201604910001]; NSF [AST-1516784, AST-1517113]; Key Research Program of the CAS [KJZD-EW-M06]; NSFC [11133006, 11433004]; NASA; National Astronomical Observatories of China; Chinese Academy of Sciences (Strategic Priority Research Program "The Emergence of Cosmological Structures") [XDB09000000]; Special Fund for Astronomy from the Ministry of Finance; CAS; People's Government of Yunnan Province