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Hearing Exchange

batteries - size 312

Size 312 batteries:  The most common battery size today, 312 batteries are very slim and fit the majority of custom in the canal (ITC) hearing aids on the market.  They are also very widely used for most receiver in canal (RICS) and many of the smaller Behind the Ear (BTES).  With a voltage of 1.45V and approximate capacity of 170mAh, these batteries should last between 6-8 days in most applications.