A wireless charging coil assembly comprises a first stamped coil having a first trace, a second stamped coil having a second trace, and a film having a first side and a second side. The first stamped coil is adhered to the first side of the film and the second stamped coil is adhered to the second side of the film. At least a first portion of the first trace of the first stamped coil and at least a first portion of the second trace of the second stamped coil are electrically connected.