A simple and compact high bay light, comprising a light housing (1), a printed circuit board (PCB) light board (2) that is fixed onto the light housing (1), and a light shade (3) that covers the PCB light board (2); light beads are fixed onto the PCB light board (2), and a power source (4) is fixed onto the light housing (1); the power source (4) and the PCB light board (2) are located on a same side of the light housing (1), the power source (4) being fixed onto one end of the light housing (1), and the PCB light board (2) being electrically connected to the power source (4); a power source chamber (5) is further fixed onto the light housing (1), and the power source chamber (5) covers the power source (4). The simple and compact high bay light has the advantageous effects of a light-emitting effect being good, assembly and installation being convenient, and costs being low.
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