In China, one of the most important national events is the Spring Festival. This annual event—also often referred to as Chinese New Year—falls somewhere between the end of January and the middle of February. In 2021, it is set to begin on February 12th.
Because of their former reliance on linear technology, external power supplies were notoriously quite inefficient, achieving efficiency levels as low as 50%. Equally problematic, external power supplies typically continued to draw power in no-load situations.