Ive been using a mee electronics a1 for the last few days, pretty nice (and tiny!) unit. MY only gripe is after resarching And researching about what kind of lipo battery it has, i had to buy one and tear it open (clips, nothing major, no glue) to determine the battery model, a-

http://howellenergy.en.alibaba.com/p...o_battery.html

Pretty dinky, and it doesn't last more than 6hr playing music.

But i ordered a 500mah 3.7v lipo, and plan on Frankensteining it itno another enclosure to get the job done. Shouldn't add much girth/width/weight, and give me a solid 24 hr play back time.

Or go balls to the wall with an extra bp-41 i have laying around.

Just might have to bypass the internal charger, so it doesn't take days to charge.