Small household appliances-radio hot water cup design creativity; The creativity is only based on the pain points of my life. Electric hot water cups have been very popular in life, but they must be operated with wires and can only be used indoors. As a health care GIRL, I only drink hot water every day. I always hope to drink a cup of hot water at any time when I go out on business and travel. I have made a wireless and detachable design in combination with the electric; after searching for a circle of existing batteries and determining the size, we started to design them. Considering the size and weight of the batteries, we designed a separate way, which is in line with the use of various occasions. However, there are also shortcomings. According to the batteries currently on the market, they cannot be more portable, there are certain compromises in size and weight, and the endurance also needs to be longer to reach the ideal state;