2 PORTABLE USB BATTERY OPERATED EMERGENCY POWER BANK BACKUP CHARGER FOR PHONES
Emergency USB Power BankThis compact, portable USB power bank allows devices to be charged from 4 AA batteries while on the move. Ideal for smartphones, tablet computers and many other devices.Powered by 4 AA batteriesFeatures a battery level indicator (green for alkaline and blue for rechargeable)SpecificationPower supply4 x AA batteries (not supplied)Output voltage5VdcOutput current800mADimensions79 x 34 x 34mmWeight40g