Goal Zero

50 Watts lets you solar charge power banks and power stations. Upgraded monocrystalline cells are up to 25% more efficient. Full charging power in a panel that stows nearly half as small as the previous model. Weather-resistant build with hang-and-stake loops for tents vehicles and more. Pair with the Sherpa 100AC Yeti 300 or Yeti 500. Charge times: Sherpa 100AC 3+ hours Yeti 300 7+ hours Yeti 500 11+ hours. Solar Port: Blue 8mm male: 14-22V up to 3.3A (50W max). USB-A Port: 5V up to 2.4A. Cell Type: Monocrystalline. 6ft Solar cable length.