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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.
Battery Rating: B-. The iPhone 6 has an advertised talk time of 14 hours, which is more or less typical compared to the 2014 average of 8 hours. In terms of battery capacity, which is the best indicator of overall battery life, it holds 1,810 mAh, a below average battery capacity for a smartphone released in 2014.