... 10W USB Certificate: CE UL 7200mAh Solar battery pack for iPad,iPhone, iPod, digital camera. Features:1. MPP-Tracker takes most advantage ... Voltage: 5V2.Output Current: 2A3.AC charger: optional4.Battery protection: over discharge/over charge/excess current/short circuit5 ... .Battery gauge:One LED indicator Function:Compatible for most brands of mobile phone,iPad,iPhone ,PDA,ipod,MP3,MP4, digital camera ...