RAVPower 16750mAh Portable Charger w/ iSmart Technology $19 at Amazon
Amazon with RAVPower Official has the RAVPower RP-PB19 16750mAh Portable Compact Charger Huge Capacity Power Bank with Dual iSmart 2.0 Ports, 4.5A Max Output and Emergency Flashlight (Black) for $24 - $5 off coupon
(check "Apply coupon" box) =
$19 with free shipping on $25+ or with Prime.
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