hello ! i finally found the guilty , on my board and after three or more hours charging , the cell pack deliver me only 6 volts and when i
connect to the main unit , i've got the message " Flat battery shut down " what happened ? , i check the componant one by one and bring all
the datasheet , cells are news , twos thermistors was ko , i changed them and still nothing , after thinking good , i suspect the IC LM7805
because it's V.out never reach 6 volts , i put a new one and after one hour charging , V rise to 7,5 volts and the unit run again , thank you for all .
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AK48
