PS4 Slim transformed into a handheld, powered by a miniaturized motherboard in a 3D-printed case — features a 7-inch OLED screen, HDMI out, and 3-hour battery life

A Reddit user has created a handheld PS4 Slim by miniaturizing the motherboard and adding a 7-inch OLED screen, HDMI out, and a 3-hour battery life. The device features original PS4 controls and a custom shell with an ESP32 microcontroller for temperature management. The project, inspired by previous portable console mods, prioritizes power efficiency and thermal behavior with a new power delivery and cooling system. The handheld includes 6x 21700 cells for a total of 130Wh, exceeding airplane limits, and offers 2.7-3 hours of runtime for lightweight games. The creator views it as a personal engineering challenge rather than a mass-produced product, with potential for further improvements in the future.