PowerClips are designed for an ergonomic fit and do not need to be removed during the use of the tool. Placing the PowerClip over the wireless charging ports on the PowerMat or Expansion Modules charges the tool and provides the professional barber or stylist with a true, hassle-free wireless experience. Only fits Wahl cordless Detailer Li | 8171. Does not fit Wahl Detailer | 8163 with lever on side. *Trimmer not included.