Battery problems in refurb Moto G84, please help

Wait 5 sec.

Hi, I got two refurb Moto G84. One of them works perfectly, but the second one has a problem:- Battery temperature stuck at 10.3 C- Battery percentage sometimes drops drastically and then stays thereYou can see a sharp drop from 55% to 36% here:The seller said he had changed the charging flex. Could it be the broken temperature sensor cause this behavior in percentages, or is the whole battery bad altogether?It's been very hard to get this phone from where I...Read more