High school teaching power supply is a specialized power supply designed for group experiments and student exploration activities in general high school physics, chemistry, general technology and other experimental courses. It complies with the industry standard JY 0361-1999 "Teaching Power Supply" of the Ministry of Education and balances safety, ease of operation and scalability. Student laboratory dedicated power supply hanging box (can be embedded in the table). Typical application scenarios: Ohm's law, electric power, electromagnetic induction experiments; Comparison between electrolysis, electroplating, primary battery and electrolytic cell; Electronic control technology, simple robot power supply testing.