Promotional Power Bank, Otterbox Power Bank - Dual USB Ports & 10000mAh, USB-A and USB-C ports allow for multi-device charging Includes USB-A and USB-C cable to charge devices or recharge the power bank Peak output of 10,000 mAh Up to 30 hours of battery for a smartphone Up to 18 hours of battery for a small tablet This item is not Qi compatible Up to 9 hours of battery for a large tablet ... #OBPB $58.06/each.