Set of rack and battery 1/ Battery 12V 200Ah DELTA DTM 12200 L 2/ Battery CARBON DELTA CGD 12200 Battery [ 522x238x223 ] 3/ Battery rack 3dsMax 2020 \ 2018 \ 2017 - V-Ray 3dsMax 2020 \ 2018 \ 2017 - Corona Renderer Export files: FBX.2009 / Vray+Corona RECOMMENDED: “Those who work in V-Ray versions lower than 3.1, be careful, in the materials in the BRDF section there is Microfaset GTR ( GGX ), if your version is older than 3.1, then the BRDF field will be empty. Choose Blinn, Phong or Ward - whatever suits you best." If the CORONA version is higher than 1.4: "For Corona render, it is recommended to set the version to at least 1.5, since the glossiness of materials is adjusted with PBR in mind." Happy renderings!