Aukey 12,000mAh Portable Power Bank for $16 + free shipping
Aukey via Newegg offers its Aukey 12,000mAh Portable Power Bank, model no. PB-N28, for $15.99 with free shipping. That's $11 off list and the lowest total price we could find. It features up to 5-volt, 3.4-amp output and a USB charging cable. Deal ends June 4.
2 very similar deals were also reported by some other sources: