... 5V Solar battery pack for mobile phones, digital camera Capacity:1800mAh Output power: 2W ... UL 5V Solar battery pack for mobile phones, digital camera. Features:1. MPP-Tracker takes most advantage ... of solar power and compatible with different solar panels.2. High capacity ... mobile phone,iPhone ,PDA,ipod,MP3,MP4, digital camera and 5V devices that can be charged via USB ...