Sony Xperia E4 promises 2-day battery life
Sony has a new competitor in the increasingly crowded mid-range smartphone space: The Xperia E4, a stylish, 5-inch phone with exceptionally long battery life. According to Sony, the device's 2,300mAh battery can deliver two days of "active use" battery life and Sony claims you can extend that even further by using the device's STAMINA and [...]