TopStar Technology via Amazon offers the Getihu 10,000mAh Dual-USB Portable Battery Pack in Gold for $19.99. Coupon code "LLEEXZND" cuts it to $9.99. Plus, Prime members receive free shipping. That's $3 under last month's mention and the lowest price we could find today by $13. It features two USB charging ports and an LED flashlight. Deal ends June 14.