Abstract: A battery adapter, the battery adapter comprising a body having a first portion and a second portion, wherein the first portion is configured so as to mechanically and electrically connect to an electrical device, and the second portion is configured so as to mechanically and electrically connect to a battery, wherein the electrical device and the battery are characterized by different form-fit factors; wherein the first portion is electrically connected to the second portion so that a battery connected to the second portion can power an electrical device connected to the first portion.