300W DIY DC Power Supply

Ordinary three-digit 300W switching DC power supply, LED intuitive display of voltage, current and output power, with 10mV/1mA high-precision resolution; with short-circuit, over-voltage, over-current, reverse polarity protection functions, high stability and reliability; One-button control output on-off switch, convenient and safe. Widely used in product aging maintenance, battery charging, experimental testing, production testing, electrolytic plating and other industries.