19 Before UseDo not store or carry the battery with metal jewelryor objects such as coins, nails, screws, hair pins orthe like. Never carry loose batteries. If they comein contact with each other or other metal objects,they will short out.Do not expose the battery to moisture or rain.The battery absorbs carbon dioxide from theatmosphere, resulting in its short life span. Do notuse near a heat source.Hearing instrument maintenanceBefore putting your hearing instrument in the hearinginstrument dryer, wipe off any dirt, dust, oil or sweatthat is left on the hearing instrument and batterywith a clean soft cloth. Do not leave the hearinginstrument exposed to direct sunlight, extremely hightemperatures and humidity.When not wearing your hearing instrument, store it inits carrying case.To prevent accidental ingestion of hearing instrument,components and accessories, secure them in thecarrying case.