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Size 312 (Brown) Batteries

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These size 312 batteries are used in a wide range of different hearing aids. They follow the standard colour coding across all manufacturers, where size 312 is brown.

These colours are used across the packaging of the batteries as well as the removable tab on the battery itself. Remember not to remove this tab before use as doing so activates the battery. This is down to hearing aid batteries being based on zinc air chemistry, which doesn’t generate power without the air electrolyte.

Our size 312 hearing aid batteries are only from high quality manufacturers such as GP Batteries and Rayovac and due to the batteries being sealed they have a very long shelf life making it efficient to stock up and save even more money.