Aukey PB-N73S 10000mAh 18W PD USB-C Slim Power Bank $14 at Amazon
Amazon has the Aukey 10000mAh 18W PD 3.0 USB-C Slim Power Bank with Quick Charge 3.0 (PB-N73S) for $19 - 28% off with coupon code
Z89F9DBE at final checkout =
$14 with free shipping on $25+ or with Prime.
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