A single lithium-ion battery protective circuit is designed.

设计了一种单节锂离子电池保护电路。

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There is a protective circuit inside the battery to prevent contingency.

电池中装有保护电路以避免各种意外情况发生。

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There is a protective circuit inside the battery to prevent contingency.

电池中装有保护电路以避免各种意外情况发生。

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