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Battery Sales

Common Battery Sizes

Common battery sizes are 10, 13, 312, and 675. To identify the battery size, manufacturers use an industry standard colour coded system.

Size 10: Yellow
Size 13: Orange
Size 312: Brown
Size 675: Blue

Tips and Techniques

Follow these tips for optimum battery usage and to protect your hearing instrument from battery-related damage.

  • Excessive heat or cold shortens the life of your batteries. Always store your batteries in a cool and dry place. Do not store your batteries in a refrigerator or freezer.
  • Moisture shortens the life of your batteries. Do not store batteries in the bathroom.
  • Batteries should not be carried in pockets/purse—they may touch metal objects and be prematurely discharged.
  • If the hearing aid is not worn overnight, ensure that it is turned off and the battery holder is fully opened to conserve battery power and reduce any potential damage from moisture.
  • If you do not intend to use the hearing aid for a few days, ensure the battery is removed.
  • Before inserting the battery into the hearing aid, please ensure the battery is dry and at room temperature.


How long should batteries last?

Battery life is affected by several factors such as: size of batteries, hearing aid model, how long you use the hearing aid, the volume setting and even the background noise.

How many batteries should I get at one time?

It is recommended that you receive between 3 to 4 months of expected battery supply per purchase.

Who should I contact if I have questions about batteries or battery usage?

You should contact your audiologist.

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Hamilton East

16B-550 Fennell Ave. E
Hamilton, ON, L8V 4S9
Phone: 289-768-6167

Hamilton West

500- 723 Rymal Rd. W
Hamilton, ON, L9B 2W1
Phone: 289-768-8971


905-570 University Ave. E
Waterloo, ON, N2K 4P2
Phone: 888-907-1436

Stoney Creek

3-168 Barton St.
Stoney Creek, ON, L8E 4V6
Phone: 289-203-3256


B3-350 Conestoga Blvd
Cambridge, ON, N1R 7L7
Phone: 888-737-9976


D203-1144 Wilson St. W
Ancaster, ON, L9G 3K9
Phone: 289-203-3195


370 Winston Road
Grimsby, ON L3M 0H2
Phone: 289-206-5364