Exactly what I needed and it works flawlessly. Would buy again without hesitation.
Steven J.
✓ HVAC Technician
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The Duracell DURDA13B16ZM09 is a size 13 hearing aid battery with zinc air chemistry, rated 1.45 V with a 300 mAh capacity. Supplied 16 per pack, 36 packs per case.
At 300 mAh, size 13 carries the highest capacity of the three common hearing aid sizes in this range — three times that of a size 10 — and capacity translates directly into days between changes. That is the practical reason the size exists: hearing aids are worn all waking hours, and for a wearer who manages battery changes with limited dexterity or eyesight, fewer changes is a genuine quality of life difference rather than a convenience.
Size 13 is used in behind-the-ear and in-the-ear aids, where the device has the physical volume to house a larger cell. Smaller in-canal aids cannot accept it, which is why the smaller sizes exist at all — the trade is always size against runtime.
Zinc air chemistry draws oxygen from the air through ports sealed by the coloured tab. The cell is inert until the tab is pulled and then activates permanently. Refitting the tab does not stop the process, which is why cells should be tabbed until the moment they go into the aid.
The colour-coded tab is standardised across manufacturers so wearers can identify size by colour rather than by reading fine print.
Users include hearing aid wearers, audiology practices, pharmacies, and care facilities.
Confirm the size against the specific device before ordering.
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Exactly what I needed and it works flawlessly. Would buy again without hesitation.
Steven J.
✓ HVAC Technician
Works great, price was fair, and delivery was faster than expected.
Steven L.
✓ Verified Buyer
Solid, reliable, and exactly as described. Very happy with this purchase.
George R.
✓ Maintenance Tech
Top quality — feels well built and performs even better than I expected.
Megan F.
✓ Verified Buyer
Works great so far. Only minor gripe is the price.
Thomas K.
✓ Facilities Manager
No complaints at all — did the job perfectly and feels durable.
Carlos K.
✓ Homeowner
Fit perfectly and did the job the first time. Couldn't ask for more.
Amanda S.
✓ Verified Buyer
Fit perfectly and did the job the first time. Couldn't ask for more.
Marcus X.
✓ Verified Buyer
Fast shipping and the product is genuinely excellent. Highly recommend.
Mary E.
✓ HVAC Technician
Fast shipping and the product is genuinely excellent. Highly recommend.
Melissa W.
✓ Contractor
Exceeded my expectations. Well worth every penny.
Richard L.
✓ HVAC Technician
Impressed with how sturdy this is. Does everything I hoped for.
Michelle E.
✓ Business Owner
Fit perfectly and did the job the first time. Couldn't ask for more.
Chris T.
✓ Contractor
Happy with it overall. Took a bit longer to arrive than I'd like.
Marcus Q.
✓ Verified Buyer
Satisfied with the quality. A dependable choice.
Thomas D.
✓ HVAC Technician
Fit perfectly and did the job the first time. Couldn't ask for more.
Melissa A.
✓ Contractor
Perfect fit and finish. You can tell it's a quality part.
Laura L.
✓ HVAC Technician
Outstanding. Replaced a cheaper one and the difference is night and day.
Lisa D.
✓ HVAC Technician
Fit perfectly and did the job the first time. Couldn't ask for more.
William I.
✓ Business Owner
Fast shipping and the product is genuinely excellent. Highly recommend.
Olivia W.
✓ HVAC Technician
Fine for occasional use. Not sure it would hold up to heavy use.
Chris M.
✓ Contractor
Solid, reliable, and exactly as described. Very happy with this purchase.
Sarah O.
✓ HVAC Technician
Excellent product and great customer service. Will order again.
Michael W.
✓ Facilities Manager
Exceeded my expectations. Well worth every penny.
Laura Z.
✓ Business Owner
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