At one hour load in bright sunshine, was my
S3 Mini: + 40%
IPod Touch: + 40%
GoPro Hero HD:> 50%
IPad Air: + 30%
IPhone 4S: + 35% charged.
The 10.400mAh large Power Bank is fully charged within one day.
The processing of the material of the charger is also really good. By kompackte size of the charger you can take it anywhere, thanks to the many mounting options, you can hang it safely anywhere.
Who, other than Apple devices, is looking for a solar charger for all products that are loaded with 5V via a USB port, which I can really only recommend this charger.