... and Advantages:1.High Capacity: 1200mAh will quickly charge the iPhone, iPod, Cellphone, cameras, MP3, MP4,etc2.Rechargeable Lithium-ion battery ... to 500 times.3.Solar panel design, recharge power station under sunlight.4.LCD screen indicates charging model and FM channel5.FM ... overcharge, overdischarge,overload and short circuit protection. 2013 1200mAh Portable iphone 4 solar charger