they are LiPo batteries so if they somehow managed to empty the battery completly and that safety chip did not do its work

then its dead for sure

>Hello, friend, please do not worry, the battery is good, but after a long period of transport, the battery goes to sleep, You can activate the battery with a universal charger. Then it works.

<:blobconfounded:427568418107949090>

if its li-ion with proper protective circuits sure it can go to "sleep" (security shutdown to prevent over discharge)

yea but i don't see the charging progress bar, isn't that kinda a thing you should see when you plug it in

but that usualy means they wont wake up ever again

he says "try charging for 8 hours" lol

but it's not shown to be charging

i'll do it anyway and after 8 hours if it still doesn't work he has no excuse

and taking that leap of faith to try ressurect "sleeping" li-ion would need booster function on battery charger/analyzer to have chance to wake it up from sub 2.9v state

yea and i doubt a universal charger has that 2.9 v thing

basicly the analyzers trick the chip to "yes yes we fine here full charge mate" untill the charger has managed to charge it to operating levels

and ofc depending on opinions its not safe or healthy to operate any device you dont understand mechanics once the safety has tripped

and i don't have that booster function or analyze

i dunno if phone charging circuits have same function

some might

yeah it's okay, for now i'll just do what he said. i plug it in for 8 hours

but you wont know unless you research the circuit or ask xiaomi

just dont leave it alone for 8 hours

yea xiaomi isn't likely to tell me

smarter than me people who are engineers on the EE field can fix my shit if they see something out of place

this is pretty much from top of my head stuff from school and work years

yea well i have an electronics engineering degree and i'm not about to dissect this

i don't have equipment at home to even try to see what's wrong

based and EEpilled

try turning the phone off

and plugging the charger in

does it show the charging screen for a short amount of time?

or just stay off

it is off, can't actually be turned on

sometimes plugging it in 10-20 times for 10 seconds each works

oh

>does it show the charging screen for a short amount of time?
it actually does this but there is no progress

just an empty battery symbol

this is looking like a good candidate for a dispute/refund, but i really want a working battery

yeah try what i said

on some phones it has the effect of trickle charging, and after a while it allows the battery to start charging again

i did

no joy

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