All batteries are toxic and dangerous if swallowed. Keep all batteries (and hearing aids) away from children and pets. If anyone swallows a battery it is a medical emergency and the individual needs to see a physician immediately. The eleven most popular hearing aid battery brands-Duracell, Energizer, iCellTech, HearClear, NEXcell, Panasonic, Power One, Rayovac, SONY, and ZeniPower.
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