BioLite Basecamp Wood Burning Stove System Excess heat is converted into electricity and stores it in the integrated 2200mAh Lithium ion battery. Stored energy can be used later, even without a fire. Battery recharges automatically every time you build a fire. Powerbank provides 5 watt (5 volt) USB output to charge your devices including cell phones and smartphones. Smart LED Dashboard monitors your power generation and battery level. Large Group Cooking: 138 square inch grill surface fits 8 burgers using energy efficient outdoor and off-grid cooking. Uses solid biomass (twigs, firewood, wood chunks, etc.) Flexible arm light with USB pass-through. Light your meal and keep a device charging at the same time. Grill-to-Boil Lever: Transform flame from dissipated heat for grilling to direct heat for pot boiling, at the flip of a switch. Set includes: BioLite BaseCamp, Fire starters, Fuel Rack, Ash Tray, Gooseneck USB light, and Instructions, all weighing under 18 pounds.