Battery health 84% do not need to replace the battery, generally less than 80% replacement.
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Battery refers to the part of a cup, tank, or other container or composite container containing an electrolyte solution and a metal electrode to generate an electric current, and a device that converts chemical energy into electrical energy. There are positive and negative poles. With the advancement of science and technology, batteries generally refer to small devices that can generate electricity. Such as solar cells. The performance parameters of the battery mainly include electromotive force, capacity, specific energy and resistance. Using the battery as an energy source, you can get a stable voltage, stable current, long-term stable power supply, little external influence of the current, and the battery has a simple structure, easy to carry, easy to charge and discharge operation, not affected by the external climate and temperature, stable and reliable performance, in all aspects of modern social life play a great role