The highest fast charge supported by Apple mobile phone is 20W, 45W fast charge is not supported, and 45W fast charge can be charged using 45W fast charge, but it can not achieve 45W fast charge.
Apple xs supports 18w fast charge, but it can use a 20W charger, but the charging power can only reach 18W.
The iPhone XS Max features a 6.5-inch display with a resolution of 2688× 1242,458 ppi. The iPhone XS Max has more screen space than the \"Plus\" phones. The iPhone XS Max display supports landscape orientation for two columns of apps. Apple's 3D Touch will still work on the iPhone XS and iPhone XS Max.
Yes, the 45W fast charging head can be used for charging devices with lower power, such as 20W mobile phones. The power of the fast charging head refers to its maximum output power, rather than forcing the connected device to receive the full power.
< br >
When using a 45W fast charging head to charge a 20W phone, the charging head is adjusted according to the charging needs and protocols of the device. The charging head communicates based on the device's power management chip and charging protocol to determine the best charging power and current.
No, 45w can't charge 20w