08/13/2011, 12:57 PM
This is certainly an intermittent problem.
First night after receiving phone back for a second time from Palm support, about 10% battery drain per hour with everything off (except the 2G phone signal for the first hour and then in airplane for second hour), phone doing nothing. Turned phone off and left it to one side.
Yesterday, phone behaved much better. Turned on at around 2pm, 80% battery. 30% battery left at around 11pm. Included about 40 minutes of calls (to Palm support), mostly on Wifi with some on 3G, some surfing the web and a few texts. Even about 10 minutes of GPS (just to see if that was the trigger for the battery drain). Average of 5.6% drain per hour, but with moderate use.
Charged overnight. Today... well, see the attached photos. Took off Touchstone at 12.30, stopped recording at 6.30pm (6 hours). Now on 36% battery with Dr Battery, fairly steady rate of battery drain. Two "blips" for a few minutes of 3G web surfing (checking the team line-up for the football) and then a few minutes more at half-time to remind myself how to take screen shots on the Pre 2... With that in mind, approximately 10% battery loss per hour with the phone having everything off except the 2G phone signal (see final attached image).
I have no idea as to what triggered the phone working better on the second day or what caused the re-appearance of the problem on the third day...