A OnePlus 6T McLaren Edition teaser claims that "charging is about to hit warp speed". This is most likely a hint at 50W charging, which was missing from the spec sheet of the regular 6T. OnePlus trademarked Warp Charge earlier this year, not long after sibling company Oppo unveiled Super VOOC (50W) charging with another supercar-themed phone - the Oppo Find X Lamborghini Edition. Charging is about to hit warp speed. #SalutetoSpeed @McLarenF1 pic.twitter.com/hkIPXDb9ZX OnePlus (@oneplus) December 7, 2018 So, you'll have one more reason to pick the McLaren Edition over the regular...
Source: https://www.gsmarena.com/oneplus_6t_mclaren_edition_teaser_hints_at_50w_warp_charging-news-34605.php