Hello, it is my great pleasure to answer your questions here. Below are some of my views on this issue. If there are any errors, please feel free to point them out.Not universal, Huawei mobile phone charging has 5V1A, 5V2A, 9V2A, 4.5V5A four specifications. The ideal charging speed may not be achieved without the standard charger.How to check the specifications of your mobile phone charger:1. Huawei Mobile Phone In the official website of Huawei Consumer Business, click the smartphone bar and search by model to view detailed parameters.2, Honor mobile phone in Honor official website click on the product to find the relevant information according to the model.
5v2a can charge Huawei p40, but the 5v2a belongs to slow charge, but the charging time is longer, it may take 2 hours to be full, Huawei p40 supports 66w wired fast charge, supports 40w wireless fast charge, Huawei p40 in the state of 66w fast charge, can be fully charged in about 1 hour, as long as it supports fast charge charging head, As the power of the charger increases, the charging time will shorten.