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Old 05-04-2003, 00:15   #1 (permalink)
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GD52 with Li-ion battery!?


How can i use non factory made Li-ion batt. for GD52? I changed the Ni-MH batt. cells to Li-ion, and keep the temperature sensor. But the phone's batt. trim will overcharge the Li-ion battery.

- Can the GD52 work with factory made Li-ion battery without Channel box trimming? If yes, how can detect the phone the type of battery (i think, with the resistance of the temperature sensor - is it true???)

- If no: what are the correct BAT HI, BAT LO, BAT TEMP, DAC REF, DELTA V, V INORE, COMP OFFSET values for Li-ion battery?

Thanks for Your help!!!!!!!!

B.R.
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Old 05-04-2003, 00:26   #2 (permalink)
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The resistance of the temperature sensor is 7-10kohm in the NiMH battery.
If you have a factory made Li-ion battery, please, tell me, how is the resistance of the temperature sensor. (It is connected to the 2-3 pin.)

NiMH:
pin1: - pole pin2: - pole pin3: temp. sens. pin4: + pole

thanx
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