[makkonen]

One suggestion: Keep it plugged in. :-p

Another: Buy a couple extra batteries -- they're only like $5 on ebay. And you'll be draining them so deep and so often, you wouldn't want any that cost more.

Unfortunately, past that, there's not really any good advice to be had. We need some really smart embedded device hackers to take a whack at power management, and the cdma radio's power management in particular... and we haven't had them.

Wish I had a better response to give you.