vivo X500 series to get a battery capacity boost

The vivo X300 and X300 Pro launched last month in China, the former with a 6,040 mAh battery, the latter sporting a 6,510 mAh cell. Today there's already a rumor about the X500 series expected next year, possibly also in October (vivo is likely skipping X400 due to tetraphobia in some parts of Asia). [#InlinePriceWidget,14224,1#] [#InlinePriceWidget,14225,1#] The X500 devices will have 7,000+ mAh batteries, according to Digital Chat Station on Weibo. That would be a rather significant jump compared to the X300 and X300 Pro, of course. Speaking of the X300 series, the upcoming X300...