I have just purchased my Samsung Galaxy Nexus - it seems to be a great phone. However, I have learned there are some concerns about battery life. I would consider myself a moderate user - 2-3 hours of Facebook, texting, web surfing, music and ebook reading a day. I have done some research and found there are extended batteries available for purchase. I would appreciate hearing how others have handled this issue. I want to know the phone will meet my needs before the 15 day window to return it is up.
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Not sure if you are still checking this site, however the battery life on the Samsung Galaxy Nexus is known not to be very good. With a battery saver app installed, I can get it to last at most 1.5 days before a recharge is needed. If you have the data on in the background, or if you use your wifi for 2-3 hrs/day, it will drain the battery.
I haven't bought another battery, just downloaded a free battery saver app.
Hope that helps!