... Efficiently 4.Five years cycle life 5.5000mAH ZC-M5 Mobile Phones Power Bank,Portable Power Bank Main Features1. ... Safely and Efficiently,Environmently friendly,Energy-savingZC-M5 Specification Product ModelZC-M5Product NameZC-M5 Power Bank/Power ChargerCapacity5000 mAHInput 5VOutput5VBattery ... Life5 YearsWarranty Period1 YearSize3.5*4.3*7.4cmZC-M5 User Manual Portable Power Bank is used to connect ...