Battery Type: Non-removable Li-ion Polymer Battery Capacity: 3969 mAh, 3.79 V Talk Time: Up to 14 hours on 3G Standby Time: Up to 10 days (250 hours) Internet Use Time: Up to 10 hours on 3G, up to 10 hours on LTE, up to 11 hours on Wi?Fi Music Listening Time: Up to 50 hours Video Playback Time: Up to 11 hours Condition Descriptions: Original New: 100% New as the same as Factory's condition After Market High Capacity: Appearance 95% new, more than 15-30% capacity of the design capacity.This is the copy cable core and assembled by the third-party. Original Disassembled:70~80% new,aboved 15 charging count cycles,the capacity will be less than normal