[操作疑難] Lithium Ion Battery

I have battery for my casio camera. Its battery is Lithium ion. I used for a long times la.
so I want to change it by myself. I want to know what is meaning " T"  on terminal.

Pls help me to check.

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回覆 2# thomasc5


    Is it checking temperature????

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回覆 4# thomasc5


Tks

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Some batteries have management IC inside the battery, and the T may be the digital communication pin.

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