1, is vivo's private charging protocol, the charger has a representative charger marked 9V2A gear is also compatible with the QC0 protocol.
2, vivo mobile phone support fast charge protocol: need to judge according to the charging head parameters of the mobile phone. Charging head identifier 9V2A supports QC 0; If higher charging parameters than 9V2A are identified, QC 0 (except iQOO 5 Pro) is not supportedIn addition, iQOO 5 Pro supports QC 0); If the mark is lower than 9V 2A, it is normal charging. Note: The 5V 5A only supports vivo's proprietary charging protocol.
3, X27 (V1829A) : support up to 25W vivo flash charge; X27 (V1838A) : Supports dual engine flash charge and QC 0 fast charge up to 18W. More doubts, you can enter the vivo official website /vivo mall APP- my - online customer service or click the webpage link, enter the manual customer service to enter the consultation.
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