Now you can be prepared with days of backup power without noise, fumes, or cords coming from outside. The Goal Zero Yeti 1250 is a solar generator that runs clean, quiet and safe, indoors or outdoors. It’s equipped with two 30-watt monocrystalline solar panels that charge its 1250-watt battery for power storage. It can also be charged via A/C outlet or car. Run a refrigerator for up to 2 days, a laptop for up to 30 hours, or power vital health equipment like heart monitors, oxygen & CPAP machines; use it in your home, RV or tent.