The 1.8-meter Power Adapter Extension Cable is an AC extension lead that provides extra length for your Apple power adapter. Use it with MagSafe and MagSafe 2 power adapters, 10W and 12W USB-A power adapters and 29W, 30W, 61W, 67W, 87W, 96W, and 140W USB-C power adapters. What's in the Box? Apple Power Adapter Extension Cable