Originally Posted by Tomas472:
Just spotted this thread (thanks, sjamie) and thought I should post up my data here, too, from the Sprint BAW site.
Maybe if we get enough data it will start to make sense.
This is for a direct USB-µUSB connection, Palm 3453WW Vehicle Power Charger to Palm Pre
I'm sure there are variables we are not accounting for, but I sure don't know what they are. 
I would love to figure out what the variables are? Just did another test with a stop watch. Again, this is with the palm car charger and ts:
Running pandora, navigation, wifi on, bluetooth connected to my jawbone the phone charged 3% in 8min 16sec.
Then I tested without running pandore or navi. Screen was on for this whole test. Wifi on, bluetooth on and connected to jawbone and the phone charged at a rate of 1% in 1min 28sec.
We see the charge rate is much slower under the load of navi and pandora, but it's still charging. I just can't understand what the variable would be.