QiYi US via Amazon offers the IQIYI Portable 2,100mAh Charger/Battery Pack for Apple Watch and iPhone for $34.99. Coupon code "M9KS3I55" cuts it to $24.99. With free shipping, that's $10 off and tied with our June mention as the lowest price we could find. It features USB and auto shutoff. Deal ends August 30.