This is not possible, 66 ah, fast charge relative to a 40 watt mobile phone, the power is too large, may cause the battery voltage and current overload will lead to increased heat, easy to make electrical short circuit resulting in safety hazards.
able
Huawei 66w fast charge can be used on 40w fast charge mobile phones, but the power can not reach 66w, the charger can be backward compatible, as long as the charging protocol allows it to be used, so pay attention to the operation.