Anker Astro E7 Ultra High Capacity 25600mAh 3 port 4A Compact External Battery Charger with PowerIQ technology for iPhone, iPad, Samsung and more (black)
I am not a fan of long reviews, so I will stop there. Positives: the battery lasts 2 charges for the iPad Air 2, if he also holds 6 or 7 charge for the iPhone 6 Plus, I have not yet tested. Negative: a star I had to withdraw for extremely long chargi