Portable Solar Generator with (2) Foldable 130 Watt Solar Panels for Camping, Hunting, RV, Off Grid, .64 kWh Solar Kit By Humless ECO-FRIENDLY ENERGY STORAGE - Renewable energy is the way of the future. No gas, no emissions and no loud noise; Humless systems create a clean way to charge, store and use energy. (Compare to Goal Zero Yeti 1250 Solar Generator) ADVANCED LITHIUM TECHNOLOGY - Humless uses the most reliable lithium technology for portable and home battery systems. Our specific battery composition has been used since the 1970's in electric cars and busses. EASY & SAFE TO USE - Our systems are designed for ease of use. Plug in your solar panels to the Humelss system and its ready to start charging. Direct the panels toward the sun and let them do the work. When the batteries are full the system will stop charging. BUILT TO LAST - Durability and reliability are our top priority when designing our power systems. We build the Humless product line with a durable metal shell that protects the inner components. We also design and build our own circuit boards, battery management systems and inverters. This is how we can guarantee quality parts at a fair price. 100% MONEY BACK GUARANTEE (1 Year Warranty) - We're so confident that you'll love our product that we offer a 100% satisfaction or money back guarantee. What do you have to lose?