I got a sony erricsson Xperia X10 for over a year and now the battery life become awful. If I plugged it in through night then unpluged it at 7 am, but it was about to 0% by 11 am and I was getting a warn to recharge it. This has been really awful. I don't use it as my basic phone already so there are only several apps on the phone. The email wasn't set to push and I only refresh the emails when I want to check them, so its saving some battery, I have done the same with facebook, and the weather. These are the only apps on my X10. I was told to get a new extra battery probabaly a mpj one. Wondering whether the battery is the culprit and my stock one is going to die completely?