Rayovac is proud to announce an environmentally friendly solution to today"s demanding hearing aid battery needs. Independent tests prove Rayovac mercury free hearing aid batteries last up to 30% longer than equivalent mercury free hearing aid batteries. Rayovac combine their market leading performance with a technology which eases the strain we put on our planet. Rayovac supports this environmentally conscious product with many other initiatives within the organisation. We use recycled and recyclable materials for our packaging, components and boxes, as well as maximising manufacturing processes and product pack outs. After years of technical development, Rayovac mercury free batteries are one of the first to offer outstanding performance without using this harmful material. Mercury - a heavy metal traditionally used to stabilise batteries - has been eradicated and replaced with more sustainable production processes and cleaner materials, to create the world"s longest lasting mercury free hearing aid.