Quote:
Originally Posted by hawhill
Of course it was on the Kbd. Lots of people found their K3s after one or two months of inactivity on the shelf, showing such a screen. And nope, the Fire won't probably show it. If you read about energy consumption for displaying something on an e-ink screen vs a background-lit LCD, you'll easily understand why this is the case.
I don't dispute that the K3 might show a blank screen (e.g. if the battery is really worn out (e.g. by doing funny experiments bringing it to its limits very often, like letting it discharge). But the default is the "charge me" screen. The screen of an e-ink device will _not_ go blank if it loses energy. Making it go blank will in fact need energy.
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I ran my Kindle Kbd WiFi to a blank screen at times and NEVER saw the PW screen showing the large battery icon and the icons for a wire and lightning bolt. I never saw that screen on my Kindle Fire 1st Gen as well. I've also run that down to a blank screen as well.
Unless someone chimes in on this thread stating they really saw it, I simply don't believe it.
The Kindle Kbd WiFi and the Kindle Fire 1st Gen both have warning screens showing the 15% level. I have not seen that screen on the Paperwhite. Again, if others have seen it, please chime in.
So far as I am concerned doing a real research project using an Excel Spreadsheet to record Session Times and the Cumulative Time down to the Icon Screen should produce real battery time results for my specific Paperwhite unit.
Claiming real research is futile, is just a cynical approach and uses unverified doctrines to contest facts.
However, I will admit that, since we've seen the PW with all kinds of defects being reported here, there probably will be a wide variance of battery times as well. Thus, my Session research project probably will only apply to just my individual unit unless others do a similar research project and confirm the results here.
When I establish the real time endurance of the PW battery, I can then continue the records on a regular basis and do a full charge one hour before the expected discharge to the icon screen. That will be far more accurate than using the battery meter.
The GSam Battery Monitor for the Kindle Fire 1st Gen achieves the same result for me. I can tell on their screen my exact battery usage time and what processes used the energy. Thus, while others claim battery times from 2 hours to 20 hours, I KNOW my unit uses about 5 hours and 15 minutes down to the 15% level on average of SCREEN TIME which is the major process using energy there. Others have claimed WiFi there uses more time but I KNOW my WiFi on all the time uses just 1.5% of the battery energy and the screen uses 83% of battery energy.
Finding out the real Paperwhite battery endurance time is an interesting project for me at the same level as reading large numbers of eBooks on history, war and biography. Its just another way to enjoy the device.
When the first cycle of recorded Session Times is complete, I'll post the results in this thread.