Agreed. 66w fast charge Huawei can charge 22.5 watts. Because this power is backward compatible. Because mobile phone batteries need to retain some residual power as protection. If it is used up and then charged, over time it will have an irreversible impact on the battery, and the mobile phone battery will become less and less durable. So under normal circumstances, as long as the charger is compatible, the power can be compatible.
Can not be filled. The reason is that the output power of the fast charge is too large, the output power of 66w has exceeded the capacity of the mobile phone 22.5w, if it is charged in this way, it will cause the 22.5w mobile phone battery to be damaged by heat deformation, so it can not be charged.