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[Solved] Dell Battery PC764 chip not detected

winnernaing.pku
(@winnernaing-pku)
Active Member Customer

I can read the battery info.But charge & discharge terminated.While try to reset ,NLBA1 showing chip not detected .

bat info
reset chip not recognised
try to reset choosing BQ208xx chip

 

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Topic starter Posted : 26/11/2023 5:51 am
torture
(@torture)
Member Moderator
13310 bat info
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Posted : 26/11/2023 8:38 am
winnernaing.pku
(@winnernaing-pku)
Active Member Customer

@torture  Thank you .The strange fact is I don't need to power on NLBA .It can read the bat info.But NLBA1 output led not on.

bat info & static data

 

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Topic starter Posted : 26/11/2023 12:04 pm
winnernaing.pku
(@winnernaing-pku)
Active Member Customer

Can someone assist me to unlock this battery Dell PC764?

NLBA1 can read the clock & data But charge and discharge terminated.

bat info & static data
reset chip not recognised
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Topic starter Posted : 28/11/2023 3:20 am
torture
(@torture)
Member Moderator

Post a picture of the chip and the fuse.

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Posted : 28/11/2023 7:06 am
DjiBattWorkshop
(@djibattworkshop)
Member Moderator

 Having in view Manufacture Name is Panasonic, chip is likely max1781 there. 

 

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Posted : 28/11/2023 7:53 am
FJ
 FJ
(@brs)
Noble Member Customer
Posted by: @winnernaing-pku

The strange fact is I don't need to power on NLBA .It can read the bat info.But NLBA1 output led not on.

not sure, but may be it is clone battery. noted this behavior in clone batteries.

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Posted : 30/11/2023 4:57 am
winnernaing.pku
(@winnernaing-pku)
Active Member Customer

Thank you all for your replies.The customer took back his battery.So I can no longer try to reset it.

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Topic starter Posted : 03/12/2023 6:04 am
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