MobileRead Forums - View Single Post - Oasis shut itself down while there was still charge at the cover

Julius Caesar · 05-15-2016, 08:51 PM

Why did my Oasis shut itself down when there was plenty of battery charge left at the cover? I started with both batteries at the Kindle and the cover fully charged at 100%. I started reading at light level 24 (maximum brightness) for 6 straight hours, WIFI off. At the end of 6 hours, I started to get low battery warning message before the device shut itself down. Before it shut down, I looked at the battery meter and it showed that the battery at the Kindle was at 10% while at the cover was still at 44%. Then the battery at the Kindle went down to 5% and then downed to 1% before it finally shut down while the battery at the cover only went down a bit further.

This mechanism made no sense. When the Kindle and the cover are connected, shouldn't it use the battery at the cover first before draining the battery at the Kindle? And why shut it down when there was still 44% battery charge at the cover? Why can't it draw current from whatever part of the unit still has battery charge?

6 hours battery life when both the cover and the Kindle are connected is unacceptable. The battery life of my KPW1 is significantly longer. It lasted 13.5 hours with light level 24 (maximum brightness), WIFI off. The Oasis has been advertised as Kindle with the longest lasting battery life ever but it doesn't live up to its claim.

05-15-2016, 08:51 PM	#1
Julius Caesar Addict Posts: 346 Karma: 1510042 Join Date: Oct 2012 Device: Kindle Paperwhite	Oasis shut itself down while there was still charge at the cover Why did my Oasis shut itself down when there was plenty of battery charge left at the cover? I started with both batteries at the Kindle and the cover fully charged at 100%. I started reading at light level 24 (maximum brightness) for 6 straight hours, WIFI off. At the end of 6 hours, I started to get low battery warning message before the device shut itself down. Before it shut down, I looked at the battery meter and it showed that the battery at the Kindle was at 10% while at the cover was still at 44%. Then the battery at the Kindle went down to 5% and then downed to 1% before it finally shut down while the battery at the cover only went down a bit further. This mechanism made no sense. When the Kindle and the cover are connected, shouldn't it use the battery at the cover first before draining the battery at the Kindle? And why shut it down when there was still 44% battery charge at the cover? Why can't it draw current from whatever part of the unit still has battery charge? 6 hours battery life when both the cover and the Kindle are connected is unacceptable. The battery life of my KPW1 is significantly longer. It lasted 13.5 hours with light level 24 (maximum brightness), WIFI off. The Oasis has been advertised as Kindle with the longest lasting battery life ever but it doesn't live up to its claim.