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This new type of rechargeable battery is charged by manual rotating spring charge. The conventional battery charger can supply power as well. Its most prominent feature is when there is no charger, the users can twist the wind-up to charge, convenient and fast. Its not only suitable for home but also for field. Particularly in long-distance travel and exploration.
Because of rechargeable, wind-up battery is very environmental friendly.
In the future battery storage capacity will grow
and the standardization of the battery will continue for a long time.
This design is the example of AA battery.
Qian Jiang, Yiying Wu