Something quietly decisive has happened in the technology of everyday objects: the boundary between a personal device and a power source has dissolved at the $230 price point. On July 29, live photographs of the POCO M8 Power confirmed what once required an $800 flagship — an 8,000mAh silicon-carbon battery slim enough to hold in one hand, paired with reverse charging capable of powering another device entirely. Launching August 4 in India, the phone arrives as Chinese manufacturers exploit a gap that Apple and Samsung have yet to fill, accelerating a spec war that is quietly rewriting consume