SPECS: Cable length: 6 ft. Unfolded: 17 in. x 53 in. x 1-1/2 in. Folded: 17 in. x 11-1/4 in. x 2-1/2 in. 3-6 hour Sherpa 100AC charge time 5-10 hour Yeti 150 charge time 4-8 hour Yeti 200X charge time 12-24 hour Yeti 500X charge time 23-46 Yeti 1,000X charge time Open circuit voltage (Voc): 21-1/2V Maximum power point voltage (Vmpp): 18.0V USB-A port 5V up to 2.4A (12W max.) Cell type: monocrystalline DESIGN & DETAILS: Designed for longer trips Recharges using sunlight for freedom from the need for electrical outlets Designed to meet high-power needs without sacrificing portability 4-panel design makes it easy to absorb massive amounts of solar power 50 Watt provides power to fuel power banks and power stations to keep laptops charged, run portable refrigerators, and power other essential electronics Folds for compact highly packable storage Hanging loops allow easy set-up in sunlit locations 8mm cable enables chaining to additional solar panels for faster charge times (chainable up to 150W) Built-in charging cables allow use with Yeti Power Stations, Sherpa Power Banks, and USB devices