After having owned my cellphone for about two years, I was expecting to notice a drop in battery life and it definitely has dropped - substantially. I have the Sony W810i, great phone, but it has always had crappy battery life. For the first few months, one charge would last me less than a day and a half. Now I'm happy if I can make it through a whole day without having to charge it in the car.
Here are a few things I've been doing to get the most juice out of my battery:
