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Battery circuit for Panasonic EY6431 EY9230 Answered

Does anyone have the circuit for these batteries please ?
There is a temp overload (bimetalic type) and also a two diode (? zener) + resistor in series that I presume identifies the pack (voltage) to the charger. 
I have burnt out pack that I have new cells to rebuild but not certain about the connection / values for those parts.

Thanks

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