摘要 |
A battery pack that can easily combine battery cells stacked in a plurality of layers with each other and easily combine the battery cells with protection circuit devices while reducing manufacturing costs and while providing a compact design suitable for powering small electronic devices such as mobile phones and tablet PCs. The battery pack includes a plurality of first battery cells electrically connected to a first circuit board, a plurality of second battery cells electrically connected to a second circuit board, the second circuit board being electrically connected to the first circuit board and a circuit module electrically connecting the first and second circuit boards to an outside.
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