 The 7T uses a 3800 mAh battery, while the 7T Pro uses a 4085 mAh battery which is marginally larger than the 7 Pro's.Power and data connections are provided through the USB-C port; fast charging is supported at 30W.Warp Charge 30T is now supported, which is 23% faster than Warp Charge 30 which was used on the 7 Pro.