This has happened to me a couple of times, the most recent today. My Droid shows about 60% battery life (I have the Battery widget installed), I got to the grocery store and use "OurGroceries", then when I'm outside in full sunlight, I get a brief phone call (wrong number). When I come home I look at my Droid and it's showing the low battery signal and is saying I have 5% battery life left (battery widget showing similar values). I plug it into the charger and it's immediately showing 60%. The last time this happened I was reading a book using Aldiko. Again, sudden low battery signal, I plug it in and then it's immediately charging back up to 60 - 70%. When I look at the battery usage from the settings, it says 74% was from display. I checked and have automatic brightness set. I'm still running 2.0.1, and yes I have Wi-Fi search on, but I always do. It's the sudden drop in battery reading that concerns me. Anybody else have this problem?