Energizer 634922 ZA13 Hearing Aid Batteries 1.4V X8

Digital - A system that uses only 0s and 1s to transmit data

Batteries - Portable Power sources in cell form

Button - A round or square object used for fastening clothing or other items

button - A small fastener used on clothing to secure two pieces of fabric together.

Packaging - The outer layer of protection on a product frequently discarded on opening

Analogue - A continuous signal in time with fluctuations in a measurable parametre to provide a signal

Mercury - A small planet 46.8 -69.4 million kilometres from the sun. It is the closest planet to the sun.

Innovative - An idea that shows new method and ways of thinking, an original design.

Convenient - Something that suits and fits well to other activities.

Environment - The conditions and surrounding area.

Rapid have established themselves as a leading online supplier of electrical products, cables, tools, electrical components and educational resources. Through their website you can purchase a variety of meters and resistors, batteries, electrical sockets, fuses and circuit breakers, communications cables, miniature power tools, small hand tools, rivets, tapes and adhesives, office equipment and educational books and equipment. As well as selling to the general public their extensive product selections means they also sell to trade customers. They also have great links with educational customers supplying products to many schools, colleges and universities. They also offer a great turnaround on delivery meaning that your products can be with you the very next day. Some of the top brands that they stock include Recom, Draper, Bosch, Hammond, Duracell, Kingbright, Arcol and Neutrik.