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Hearing Exchange

Hearing Aid Batteries

Power One by Varta batteries are world leaders in hearing aid battery technology and produce a wide variety of private label batteries for different hearing aid manufacturers and retailers.

Their latest release is the Mercury Free range, designed to be safer and greener than ever before.  Hearing Exchange offer the Mercury Free range as their preferred battery due to its strong environmental and safe use focus. 

We offer batteries in all the common sizes being 10, 312 , 13 and 675

Size 10 batteries:  The smallest commonly available hearing aid battery fits many of the small Completely in Canal (CIC) and Invisible in Canal (IIC) hearing aids, as well as some of the smaller Receiver in Canal (RICS) on the market.  With a voltage of 1.45V and approximate capacity of 100mAh, these batteries should last between 3-5 days in most applications.

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.

Size 13 batteries:  A very popular battery size, 13 batteries are slightly thicker than 312s and fit the majority of custom In the Ear (ITE) hearing aids on the market.  They are used for some of the larger Receiver in Canal (RICS) and many Behind the Ear (BTES).  With a voltage of 1.45V and approximate capacity of 300mAh, these batteries should last between 8-14 days in most applications.

Size 675 batteries:  Reserved generally for superpower Behind the Ear (BTES), the 675 is the largest battery commonly used today.   With a voltage of 1.45V and approximate capacity of 650mAh, these batteries should last between 14-21 days in most applications.