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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.
On average, most smartphone batteries last between one and two days before being completely depleted, and in need of a recharge. (Image Source: Dokisoft). While we wait for the hardware development to catch up, the alternative will be to conserve battery life.n average, most smartphone batteries last between one and two days before being completely depleted, and in need of a recharge. (Image Source: Dokisoft). While we wait for the hardware development to catch up, the alternative will be to conserve battery life.