Requirement: 15V3A is Must, most phone charger wouldn't support the cable
This Surface charging cable requires an USB-C charger or charging bank which support 45W (or more) and 15V3A output. Doublecheck your USBC charger to ensure that it lists "15V/3A" in the specifications. Some Apple PD chargers didn't support the cable.
It is recommended that use our surface cable together with our GaN 3-Port USBC charger. ( 3A USBC Cable not included )