Well this is because your battery indicator on the Book Port doesn't support this type of batteries. I think there should be a way of turning off "battery low" messages, as they interupt reading and can be really annoying. Grant ----- Original Message ----- From: "Mike Justice" <m.d.justice@xxxxxxxxxxxxx> To: <bookport@xxxxxxxxxxxxx> Sent: Wednesday, March 30, 2005 7:47 PM Subject: [bookport] Re: Beta Problem- battery drain > Rob, et al, > > Since my alkaline batteries died, I have been using Ni-MH (nickel-metal > hydride) batteries purchased from Radio Shack (~$10.50 for a two-pack). > The > first set I used had been previously used in a radio, and they were > indicating 64% when first inserted into Book Port. they seem to be > holding > up reasonably well with Beta21 and Beta22 for reading text files. I tried > playing an MP3 music file when the battery level was indicating about 39%, > and the song did not quite finish before it was interrupted with a low > battery message. I forced it to resume playing for the final seconds, and > when I checked battery level it was about 6%. Surprisingly, the battery > level began to recover with the Book Port not playing any file, and as I > checked, it continued to rise until it reached about 39%. I then played a > microphone recording of a music file (WAV), and the result was very > similar > to the MP3 file. The song did not quite complete before the low battery > message was announced. This time the level was about 9% when I stopped, > but > again, it recovered to about 39% with only a few minutes of "rest". Next > I > tried playing a text file for about 5 minutes straight, and the battery > level did not drop any lower than 33%. After I stopped and let the unit > "rest", the battery level recovered to about 36%, where it seems now to be > remaining with no active use of files. > > Mike Justice. > www.mpnhome.net > >