Future Xiaomi phones could take more than a full hour to charge, but you might get a 7,500 mAh battery

For all of you out there who are sick and tired of 3,500 mAh, 4,500 mAh – or even 6,500 mAh phone batteries – Xiaomi has a first-class trick up its sleeve. Get ready for phones with 7,500 mAh batteries. Absolutely bonkers!