Hmmm... well that's not good news.

Can anyone recomend other batteries I may consider that are very small?

Also, is there an easy way to jump up voltage without loosing a lot of power in the process? There are other 1.5v and 3v solutions, but I need 5 volts.

I'd be really surprised if in the current advancement of really small electronics that the most I can draw out of something this small is 3 mA.

Suggestions?