Programmable 4-digit P Series DC bench power supply with 0–15V adjustable output, 0–20A high current, and 300W power in a compact 280 × 130 × 165mm desktop design. Designed with hardware list sequence output, 6 groups of quick parameter storage, rear communication for setting and programming, and five-level protection, it is ideal for circuit board testing, mobile phone servicing, high-current electronics testing, and automated bench systems.