power bank 1,capacity:3000mAh 2,cell type: 18650 core 3, ... /MP3/MP4/MP5[Power bank/ mobile power ] features: 1, With the portable power,you need not worry if there ... trip, traveling , long distance journey.4, Assembly with of chargeable connector's , you can power and recharge you mobile or I ... more safety.9, Auto power off, make better use of battery energy.10, Prevent wear design,more anti-resistant and ...