LumsingDirect via Amazon offers the Lumsing 12,000mAh Portable Battery Pack in Gold or Silver for $16.49. Coupon code "DD159417" drops it to $8.24. Plus, Prime members bag free shipping. That's $3 under our September mention and the lowest price we've seen. (It's the best deal now by a buck.) It features two USB outputs and charges via a Lightning cable (not included). Deal ends February 15.