Topic: haihong

  When using a laptop, we may notice that during use, especially when charging and using simultaneously in hot summer weather, the AU plug 12W AC DC adapter generates heat. This is actually a normal phenomenon because it consumes energy during the voltage conversion process, and some of it is converted into heat energy and released. It is well known that energy conversion always involves losses. The current European and American six-level energy efficiency standards for AU plug 12W AC DC adap...