11promax without Magnetic charging The iphone11promax does not support magnetic charging, and supports 18W fast charging and wireless charging. The iPhone 11 Pro Max has a 3969mAh lithium-ion rechargeable battery, supports 18W fast charge, and comes with an 18W power adapter. The iPhone12ProMax body contains a magnetic coil inside, which can support magnetic wireless charging, while the iPhone11ProMax only has wireless charging technology