In accordance with this invention, a novel stick-on peel-off fastener, comprising one or more conductive sticky elements, sandwiched between one or more terminals of a first object such as an electrical device and one or more terminals of a second object such as battery, can keep the battery affixed...http://www.google.ca/patents/US5763112?utm_source=gb-gplus-sharePatent US5763112 - Method and structure for attaching a battery to an electrical device
