The iPhone 6sPlus does not support fast charging, so it does not support 15W charging. Apple charging head a total of three models, respectively, A1443(medium gauge), A1265(US gauge), A1385(US gauge), the output specifications are 5V 1A(5W), the input voltage is AC100-240V, the global general voltage specification. Apple mobile phones have been using ancestral 5W charging head, if the use of iPad12W charging head, theoretically charging time can be greatly shortened.
nonsupport
The Apple 6splus does not support fast charging. The capacity of the iPhone6sPlus is 2750mAh, the battery capacity is small, the full charge time can be shortened, and the maximum can support 10W charger for charging.
The iPhone 6sp has a 5.5-inch screen with 1920 by 1080 pixels. For the camera, 5 million front, 12 million rear. The performance is A9, the battery capacity is 2750mAh, and it is a non-removable battery.