Top! Fulfills exactly what I had imagined!
Winten 5200 mAh WT-P52S-BK mobile external battery pack, with 1x high (5V / 800mA) USB Output for iPhone, iPod Touch / Nano; Smartphone, Black (Wireless Phone Accessory) 5
Winten 5200 mAh WT-P52S-BK mobile external battery pack, with 1x high (5V / 800mA) USB Output for iPhone, iPod Touch / Nano; Smartphone, Black (Wireless Phone Accessory)
I can even charge a single charge my iPhone three. I have the external battery always in my pocket, because it is small and handy. Would buy the product again!