)tery has not been used for a long period ofay swell, or the hearing instrument maylarm signal. If the battery is weak or dead,he battery before use.ry life varies depending on the type andnditions.ace of the battery gets wet, it may notperly. If it occurs, wipe the battery with a.ack zinc air batteries to prevent short-circuit.ore or carry the battery with metal jewelrys such as coins, nails, screws, or hair pins.xpose the battery to moisture or rain.ir battery absorbs Carbon Dioxide fromsphere, resulting in its short life span.the battery near a gas heater or astove, ventilate the room properly.YAH416KZA-1 (16/44)

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