RAVPower 6700mAh iSmart 2.0 Portable Battery Charger $11 at Amazon $11 $14 Amazon with Sunvalley Brands has the RAVPower 6700mAh iSmart 2.0 Portable External Battery Pack Charger (2.4A Output & 2A Input) for $14 - $3 off with coupon code 6700RAVC [Exp 11/10] = $11 with free shipping on $25+ or with Prime. $11 retail: $14 Report Posted by Sharik11/01/2017 at 11:55 AM PT