You've got me interested in running a test of sorts. Since I have two readers, here's what I'm thinking - Load the same set of books on identical SD cards, open the same book to the same place, have the battery charged on both to 100%, Let them sit overnigh (with Sept. snapshot in keyboard lock mode, May just left on), check the battery percent in the morning.
If I get a significant difference in percentage, I'll swap the batteries & SD cards and retest to see if the results are consistant. I do not plan to swap the versions of OI between the readers. Any suggestions or recommendations? May be a day or two before I get everything set up.
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