Amazon with STSS has the AUKEY CC-Y16 36W 3-Port USB-C 12V 3A Power Delivery (PD) Fast Car Charger with 18W Quick Charge 3.0 for $17 - 8% off coupon (check green "Save coupon" box) - $5 off with code DLGH7O7E at checkout = $11 with free shipping on $25+ or with Prime.