Can the POWER X CUBE 7.5W fast-charge my iPhone? Ivan September 26, 2018 15:40 Follow POWER XCUBE support to the 7.5w high-speed wireless charging. Related articles How does the POWER XCUBE work? How long does it take to charge my iPhone with POWER XCUBE? Is a power supply provided with this product? Which mobile devices are compatible with the POWER XCUBE wireless charging pad? Q: How can I know the remaining capacity of Power Cube 10000+ Comments 0 comments Please sign in to leave a comment.