Quote:
Originally Posted by koboy
my guess is that some of the KA1 just have crap batteries.
best wishes koboy  |
Could also be a fuel chip or its driver, if the KA1 has such a thing. These wild battery swings remind me of what my Galaxy Note 8.0 tablet had. The problem was Samsung's Dynamic Voltage Frequency Switching driver which eventually borked the fuel chip to the point that you needed to do a battery pull just to reset the chip so it could calculate the battery's remaining voltage properly (it'd shut the device off at 0% but in reality, there was still 60% worth of power left and charging or discharging would sometimes suddenly jump by 10s of percentage points). The workaround was to just disable the driver because it wasn't worth the grief (the intent was for better power saving by throttling the voltage during periods of low loads, but obviously, it didn't work properly). I wonder if it's something like that affecting the KA1s. It'd be easy to verify the amount of charge left on the battery with a multimeter to see if it really matches what the Kobo thinks it's at.