Abstract: The present invention relates to portable charging apparatus suited for a handheld electronic device, a power supply for use in a portable charging device and a portable charging apparatus for recharging a handheld electronic device. In one embodiment, a portable charging apparatus for a handheld electronic device having a housing including an internal battery, the portable charging device comprising a power supply, an electrically conductive means for providing power from the power supply, and securing means for detachably securing the portable charging apparatus to the housing of the handheld electronic device, whereby in use the portable charging apparatus is secured to an outer surface of the housing of the handheld electronic device. Alternatively, a plug of the electrically conductive means can be moved into alignment with the charging port of the handheld electronic device before securing the power supply to the housing of the handheld electronic device.