112 total views, no views today ADVENT X-8 4000 MAH POWER BANK SPECIFICATIONS General Brand Advent Model X-8 4000 mAh Power Bank Warranty 1 Year Box Contents Ultra Slim Power Bank, Micro USB Cable and User Guide Battery Charging Capacity 4000 mAh Battery Type Li-Polymer Connectivity Connector Type Micro USB No.of Output Ports 1 Power requirements