Legacy fast charging was always a mess of competing proprietary standards. A charger adhering to one standard (e.g. Samsung AFC or Oppo VOOC) wouldn't fast char

Legacy fast charging was always a mess of competing proprietary standards. A charger adhering to one standard (e.g. Samsung AFC or Oppo VOOC) wouldn't fast charge a phone using a different standard (e.g. Qualcomm QC or Apple 2.4A). https://www.androidauthority.com/fast-charging-explained-2-889780/ https://www.androidauthority.com/fast-charging-explained-2-8...