A cordless animal shearing/clipping device is disclosed. The cordless shear/clipper includes a shear portion and a handle portion. The shear portion includes a shear or clipping head interface that allows for an interchangeable shear/clipper head to be coupled to the shear head interface. The handle portion includes a motor casing, a switch, and a battery slide. This design allows for easy, safe, and efficient shearing of animal fibers in any location.