Battery info :
- Built-in rechargeablelithium-ion battery
- Charging via USB to computer system or power adapter
- Talk time: Up to 14 hours on 3G
- Standby time: Up to 10 days (250 hours)
- Internet use: Up to 10 hours on 3G, up to 10 hours on LTE, up to 11 hours on Wi-Fi
- Video playback: Up to 11 hours
- Audio playback: Up to 50 hours