Hi CJP.
Welcome on board.
I see you are new here (By looking at your join date! There is nothing wrong with your posts ;-) ).
If you search the archives for discussions dating to the iRex *Iliad* release you will be much less surprised that the new reader from iRex does not deliver the promised battery life and other features (like, for example, stylus calibration issue on iLiad) you might expect.
Like the thread here
https://www.mobileread.com/forums/showthread.php?t=7093
By the way, the promised firmware update did come eventually, but it turned out the hardware itself did not support any dramatic battery consumptiom improvement
Search forward from here
https://www.mobileread.com/forums/for...r=desc&page=27
And as I see the history to repeat itself here, I would not recommand to you to hold your breath for a firmware update that would miraculously dramaticaly improve battery life ...