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Battery is a great invention, especially the "lithium battery" we use today. No matter whether there are more advanced batteries in the future, at least the current "lithium battery" makes our life more colorful. Mobile phones, cameras, laptops, hand-held electric tools, even cars, airplanes and so on are all inseparable from the "lithium battery". The portable energy storage power supply, automobile emergency starting power supply, mobile power supply, uninterruptible power supply and emergency power supply mentioned in this paper are the five representative works of "battery" technology. Because these five products have the same points of "battery" storage and power supply, and because of different application directions, they have different technical emphasis, so they cannot be confused. This Small Portable Lithium Ion Battery Energy Storage is 85W Small Portable Battery, Multifunctional Lithium Generator, Small Solar System, Green Energy Amazon, Sol…

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