Update on April 15th Six days have passed since I first posted on this thread regarding some battery drain issues that I was having after my nonjailbroken PW2 updated to 5.7.3 Thanks to @knc1 and @NiLuJe for your help!
I hope that this isn't too much information. Perhaps someone might find this useful?
I believe (knocking on wood) that the battery drain problems that I was having last week were due to indexing. Perhaps leaving it plugged into utility power in sleep mode did the trick?? I also went in via the usb and cleaned out an unneeded temporary file from an Amazon e-book purchase (the kingle single is there on my PW2). I also figured out that I have to set my PW2 to "all books" in order for the ";dm" command (dumps log files) to work. Have done so two more times and copied same to my iMac before deleting the log files.
I have used the kindle everyday for about 30 minutes for reading in airplane mode (no wifi at home) with whispersync turned off. Yesterday I went to a wifi hotspot, turned on whispersync and then restarted in order to (hopefully) sync my highlights (some are important to me and don't want to lose them). When I was done, I went back to airplane mode and disabled whisperync and restarted. Got home and dumped the log files, pretty decent battery usage, about 90% left.
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