The most efficient, integrated compact power pack available. Internal battery keeps extra energy at hand, and twin solar panels keep the battery at peak capacity in less time. Ideal for charging personal devices like iPods and smart phones. Advanced polycrystaline solar technology gathers maximum energy per inch for maximum efficiency.

• Power storage capacity: 2,200 mAh
  
• Output: mini-USB
  
• Water resistant
  
• Durable rubberized shell
  
• Internal rechargeable Lithium Polymer battery
  
• Power gauge and auto shut-off
  
• Solar Panel: Two (2) 100 mA polycrystalline
  
• Output: 1,000 mA / 5V (USB 2.0 compatible)
  
• Dimensions: 5.5"x3"x1.25"
  
• Weight: 8.6 oz.
  
• Charges from solar panel, computer USB or from included DC adapter