Sure, you could just pick up a SEGA Nomad, but building your own portable Genesis is definitely more satisfying, and that’s exactly what Hailrazer did. Called the GenMini, this handheld features a 5-inch PSOne display, 4000mAh lithium-poly camcorder battery, and a relocated cartridge slot. Video after the break.

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GenMini: The Custom-Built Handheld SEGA Genesis