Battery Life
The ZTE Grand X4 is powered by a non-removable Li-Ion 3140 mAh battery, which at the time of release provided impressive longevity. It offers up to 715 hours of standby time and up to 26 hours of talk time on 3G networks. Such battery performance is advantageous for users who prioritize a device that can last through a busy day without needing frequent recharges.