Abstract: In an aspect, the present disclosure provide a mountable charging device for a mobile phone. The device includes a case having a recessed interior for use in holding the mobile phone there-within, the recessed interior being dimensioned for conforming contact with an exterior of the mobile phone, the case further comprising: a power supply embedded within the case, and a power port electrically coupled to the power supply, the power port for use in connecting to a mobile phone charging port; a mounting element configured for releasably mounting to an object, and a locking mechanism for releasably attaching the case to the mounting element, the locking mechanism having a first locking element disposed on an exterior surface of the case, and a second locking element disposed on the mounting element configured for releasably locking with the first locking element.