I would like to use the cable to connect my MacBookPro Retina 2015 to an Xtorm XB304 Titan PowerBank. Will this work with the 100W PowerBank or does it have to be an Xtorm XB303 Voyager with 60W? Is more than 61W a problem?

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On my Mac Book Pro 2015 Retina, Fast Charging does not work despite the 90W power supply. This probably indicates that the cable is not suitable for this.

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It depends if the powerbank can regulate the power then it shouldn't be a problem I think. How many watts is your current Apple power bank?

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I would like to use the cable to connect my MacBookPro Retina 2015 to an Xtorm XB304 Titan PowerBank. Will this work with the 100W PowerBank or does it have to be an Xtorm XB303 Voyager with 60W? Is more than 61W a problem?