... pack for mobile phones, digital camera. Features:1. MPP-Tracker takes most advantage of solar power and compatible with different solar ... . Popular,portable&convenient5. Quick charge,long cycle life &no memory effect6. Good security,reliability &Environment Recycling7. Effective power supply ... of mobile phone,iPhone ,PDA,ipod,MP3,MP4, digital camera and 5V devices that can be charged via USB cable.