... and over-temperature protection4.Five years cycle life,intelligent control 5.Safely and Efficiently,Environmently friendly,Energy-savingZC-M5 ... indicator and four batteries indicator, so that you can control the mobile power electricity, the following table. Battery life ... blue, the unit is fully charged. Hot Sell! 5000mAH Power Bank For Mobile Phones,Portable Charge for MP3, MP4, PSP, GPS, Digital ...