Bestbuy offers Jackery - Explorer 290 Portable Power Solar Generator - Black for $179.99 (orig. $279.99) with free shipping.

Product Description:
The Jackery Explorer 290 provides 290-Watt hours of power with 200W continuous and 400W peak output to handle your portable power needs, engineered with a rechargeable lithium-ion battery, which provides maintenance-free energy without the hassle of fuel or fumes. It is perfect for indoor and outdoor use. Explorer 290 can also be used for home emergencies when suffering from power outages caused by storms.

• 200-WATT CONTINUOUS/400W PEAK OUTPUT, COMPACT
  Perfactly Portable. The Jackery Explorer 290 is small, light and packs a punch.
• RV CAMPING/FISHING/OFF-ROAD/HUNTING/GETAWAY/EMERGENCY
  With its eco-friendly and quiet features, Explorer 290 is one of the best investments for your outdoor life. Take out and start using power immediately.
• CHARGE AND RECHARGE
  Jackery Explorer 290 can charge 4 different devices simultaneously. Such as Mini Fridge, Phone, iPad, Laptop. 3 Ways to Recharge: Solar Panel(5 H), AC Outlet(6 H), Car Outlet(6.5 H).
• BUILT-IN MPPT CONTROLLER
  The MPPT module is designed inside the power station. By constantly monitoring the voltage and current output of your solar panels, MPPT adds up to 23% more solar recharging efficiency.