Rechargeable battery pack
作者： Nils Erik Vilhelm Martensson
DOI:
关键词:
摘要: A battery pack 3 which powers an electrical device, such as a calculator, tape recorder or cellular radio, carries solar cells (7), (Fig 2), connected to the via diode for charging when is removed from main casing 1 of device. The may also supplement power device fitted 1, and in this state additional be mounted on available
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