British power tech firm Intelligent Energy has developed the world's first hydrogen-powered battery. Working hand in hand with Apple, Intelligent Energy has created a prototype for a rechargeable fuel cell that doesn't affect the aesthetic of your iPhone and has the capacity to keep your phone charged for around 7 days. 

Only compatible with iPhone 6 models currently, the battery is powered with the combination of oxygen and hydrogen and the firms own patented technology at the expense of a small amount of heat and water vapour waste.

The company is still in the process of finalising the battery's retail price but stay tuned for more details to follow in  the near future...