The "FCA Fast Charging Terminal Industry Association" has officially declared that OPPO's Find X9 and Find X9 Pro smartphones have successfully achieved certification for unified fast - charging capabilities and have been granted the UFCS functional certification certificate. These two smartphone models have not only cleared the compliance certification and compatibility testing hurdles but have also obtained the authorization to utilize the UFCS trademark. UFCS, as a cutting - edge unified fast - charging protocol, has already seen multiple OPPO products receive its certification in the past. Both the Find X9 and Find X9 Pro are equipped with self - developed spherical silicon - carbon negative electrode battery materials. The Find X9 boasts a battery capacity of 7025mAh, while the Find X9 Pro reaches an impressive 7500mAh. In terms of charging, they support 80W Super Flash Charge, UFCS unified fast charging, 50W wireless fast charging, and reverse charging. Moreover, they are compatible with 44W third - party UFCS unified fast charging, providing users with a diverse and convenient charging experience.