USB Power Delivery Specification Revision 2.0,
Apple USB Type-C 29W Charger
Apple iPhone 8
iPhone X
iPhone 7
35% Charge: 5.13v 1.78A (9.1W)
45% Charge: 5.13v 1.68A (8
...
.6W)
50% Charge: 5.13v 1.55A (7.9W)
55% Charge: 5.14v 1.30A (6.6W)
60% Charge: 5.15v 1.18A (6.0W)
65% Charge: 5.15v 1.18A (6.0W)
70% Charge: 5.15v 1.18A (6.0W)
74% Charge: 5.15v 0.98A (5.0W)
75% Charge: 5.15v 0.90A (4.6W)
76% Charge: 5.16v 0.83A (4.2W)
80% Charge: 5.16v 0.66A (3.4W)
88% Charge: 5.16v 0.63A (3.2W)
89% Charge: 5.16v 0.51A (2.6W)
92% Charge: 5.17v 0.37A (1.9W)
93% Charge: 5.17v 0.34A (1.7W)
94% Charge: 5.17v 0.30A (1.5W)
95% Charge: 5.17v 0.22A (1.1W)
96% Charge: 5.17v 0.20A (1.0W)
97% Charge: 5.16v 0.14A (0.7W)
98% Charge: 5.17v 0.11A (0.5W)
99% Charge: 5.17v 0.07A (0.3W)
100% Charge: 5.17v 0.07A (0.3W)
iPad Air