Anker have a good rep.
Yeah Anker are supposed to be good.
I picked up a battery from Ikea of all places and that's been very good so far.
Anker have a good rep.
For Anker, top quality.I use plain simple Duracell chargers, obtainable everywhere and always good for recharging in the field. Take no space and doesn't matter how much Apple or other telephone manufacturers alter the shape, these will always do and are easy to carry in the pocket. They do vary in price though so shop around. http://www.amazon.co.uk/Duracell-Mobile-Phone-Portable-Charger-Black/dp/B005EF2TG4
But they're just 1150mAh which is ludicrously tiny, not even a full charge of an iPhone. The Anker version - http://www.amazon.co.uk/5200mAh-Com...827296&sr=1-2&keywords=anker+portable+charger - at the same price is 5200mAh.