Battery tattoo means energy and vitality. Battery refers to a cup, groove or other container or part of the space of a composite container containing electrolyte solution and metal electrode to generate current, which can convert chemical energy into electrical energy. It can be divided into positive electrode and negative electrode. With the progress of science and technology, battery generally refers to small devices that can produce electric energy. Such as solar cells. The performance parameters of the battery mainly include electromotive force, capacity, specific energy and resistance.
Using the battery as the energy source, we can get the current with stable voltage, stable current, stable power supply for a long time and little influence from the outside. The battery has the advantages of simple structure, convenient carrying, simple and easy charge and discharge operation, free from the influence of external climate and temperature, stable and reliable performance, and plays a great role in all aspects of modern social life.