Xiaomi Mi Power Bank 3D model is available on CGTrader for $39. Original author: zefy93. Specs: 5818 polys, 5983 verts.
MAX (Autodesk 3ds Max, filesize: 406 KB), OBJ (OBJ, filesize: 742 KB), FBX (Autodesk FBX, filesize: 425 KB), TEXTURES (Textures, filesize: 6 MB)