Back in June, a tipster claimed that Honor was developing a smartphone with a massive 14,000mAh battery. At the time, the battery was reportedly in the New Product Introduction (NPI) stage. A new leak now suggests that the battery has entered mass production.According to tipster Digital Chat Station, the battery will have a capacity of between 14,000mAh and 15,000mAh and has reportedly entered the trial production phase.Honor Win RT2 packs a 12,070mAh batteryThe tipster claims that Honor expects the smartphone featuring this battery will deliver up to a week of use on a single...