1.Solar Charger Voltage Controller. 2.Charger for Mobile Phone,PSP, GPS,iPad. 3.Constant Voltage Output DC ... 5V 4.Mini Portable Solar Charger Voltage Controller USB Output:The voltage controller can reduce voltage from high voltage to constant ... , Mp4, PDA, PSP, GPS; anytime and anywhere, it is safe, reliable and is great for saving power and protecting Digital Devices .Features:Mini portable ...