This Clever Camping Stove Doubles As a Fire-powered USB Charger | Travel + Leisure
Amazon.com: SHINESTAR Portable Butane Gas Stove with USB Charger, 6,000 BTU Single Burner Camp Stove with Storage Bag for Camping, Backpacking, Outdoor Cooking : Sports & Outdoors
Milwaukee REDLITHIUM USB Charger and Portable Power Source Kit-48-59-2013 - The Home Depot