UL certified large capacity duo USB aluminum universal international emergency mobile smartphone battery charger. Features LED indicator light. 4 blue lights shine to indicate full charge. Lights will turn off one by one as power is drained from device use. Individual phone attachments not included, only USB charging cable provided. Charge time differs by device. Must charge power bank prior to first use. Approx. 4-5 hours to charge power bank. Power supply / Technology: INPUT: 5V/1A; OUTPUT: 5V/1A and 5V/2.1A. Work current: 1000mA. Operating temperature: 045 C tor Charging -2055 C for Discharging. Rechargeable Lithium ion battery. Capacity 4400mAh. Powerful enough to charge tablet and laptop that require a current of 2.1A or less (check your device prior to purchase) . UL certified device with UL certified battery. Instructions included.
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