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Our work intends to conduct experiments on kerosene-graphene nanoplatelets (GNP) nanofluid in a mini channel heat sink (MCHS) in two concentrations of graphene to verify the heat transfer and other hydrothermal phenomena. Many experiments have already been carried out on cooling electronic devices using mini channels along with various water-based nanofluids. ...The experiments with kerosene-GNP nanofluid are conducted in two different weight percentages of graphene, 0.01 and 0.03. The surfactant used for best visual stability is oleylamine, with an optimum mass ratio of 0.6 between it and graphene nanoparticles. ...The surfactant used for best visual stability is oleylamine, with an optimum mass ratio of 0.6 between it and graphene nanoparticles. A Peltier heater is attached to the bottom of the mini channel and provided with three different heat supplies of 8 W, 10 W, and 12 W, respectively, by varying the current and voltage of the direct current (DC) source.