... ,multiple,rechargeable 2.Real capacity,long lifetime 3.Good quality,low price 4.CE,FCC,ROHS 2500mAh battery mobile power bank for cell phoneAdvantages1.OEM ... 1ACharge for mobile phone time6-8hoursOperating tempereture -5°C ~ 40°C Storage tempereture-10°C ~ 50°C Warranty1 yearsCertificatesCE,FCC,ROHSUsage time ...