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some PCB BOARD of a laptop battery seems not to have visible fuse

echemjoshua2050
(@echemjoshua2050)
Reputable Member Customer

my dell (7420)shows no reading but am sure that pinout are properly fixed,

as first i thought for and said to my self that i have came across such problem before , which i contact the admin , and he gave  a solution which i applied , that gave my good result,

so i this i thought about checking if the fuse is browned but 

but i couldn't find any on the pcb board

here are the pictures of the pcb board

WhatsApp Image 2022 05 26 at 7.06.27 AM

the front

WhatsApp Image 2022 05 26 at 7.09.42 AM

 and the back

please i need support on this 

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Topic starter Posted : 26/05/2022 7:52 pm
torture
(@torture)
Member Moderator

This is a low quality PCB from a china replacement battery.

It doesn't have a fuse, temperature sensor or any other safety features.

ReplyQuote
Posted : 26/05/2022 8:25 pm
echemjoshua2050
(@echemjoshua2050)
Reputable Member Customer

@torture 

so when i come across such PCB ,maybe am having issues  of

output showing ,pinout is properly fix ,cell volt ok or are manageable, but no data readings...

so there is no solution to that?

ReplyQuote
Topic starter Posted : 27/05/2022 4:25 am
torture
(@torture)
Member Moderator

Troubleshooting these chinese PCB's is a waste of time if you ask me.

ReplyQuote
Posted : 27/05/2022 7:47 am
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