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, Mobile Phones Marketing Professional. The average smartphone (powered by a 1500mAh battery) will have a normal battery life of around 10 to 14 hours depending on the usage you have. The main drains will be: screen, data connection, games, music and voice usage. Views Â· View Upvotes.
Coming in a close second with over 60 hours of battery life on average was the LG Optimus Pro, a phone released in July with a hardware keyboard and relatively small 240Ã320 display running Android 2.3.3 with a 3 MP camera.