What Is The Best Portable Charger For Android And iPhone ?

http://www.amazon.com/Portable-Charger-iPhone-Samsung-Tablets/dp/B00QH8DL0U , iPowerbuddy is a 10000mah portable charger sold on amazon for $23.77 . It is the best portable charger I have used and I have many of them , it charges my iphone 5 at least 4 full times . I recommend it to anyone looking for a portable charger , here is a few other links for it