Dave, just some good old Energizers I believe and yes I've used rechargable, but I got a great deal on these batteries and just decided to use them and then I'll probably go back to recharging. I of course have only been playing mp3s of late so that could account for what Rob was saying in a message about rebound etc. >Hi Scott and list: > >What brand of batteries are you using? I want to try for the kind of >activity you're getting. Don't believe Audible files should drain them any >faster than MP3 since that's effectively what the transfer programme is >doing to them. > >Cheers, >Dave > >