How long do these usually last? Like a single battery?

I've been using Duracell batteries for the last 9 months, since Feb. 8, 2017. I've always kept a record of my hearing aid battery usage since I started using hearing aids in July 2005. The battery in my right hearing aid lasts 4.5 to 5 days & the battery in my left hearing aid lasts 5 to 6 days. I can't see much of a difference in time from the batteries I've used before but the purchase price on this Duracell order was the best I could find lately.

Are the duracell activair hearing aid batteries mercury free?

Since info says zinc air I assume they are mercury free. Better be.

I'm going to make an assumption here. I am guessing that that customer wants to know where they are made, not just the brand name. These Duracell batteries most likely were made by Duracell. According to the packaging, they were made in Germany. They work very well and, so far, have last longer than other brands. Hope this answers your question!

What is the difference between a #10, 4v. And a #10, 4.5v can they be used interchangeably? Will it damage my aids?

You mean 1.4 vs 1.45 volts? I guess standard #10 is 1.45V. 1.4V will not damage Aid, but may perform below peak.

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Duracell Activair Hearing Aid Batteries: Size 10 (80 Batteries)

Product ID: 6719667

Details

Battery Capacity
1.45 volts
Battery Cell Composition
Zinc-Air
Brand
DURACELL
Number of Batteries
80 Product
Recommended Uses For Product
Hearing Aid

📦80-Pack Bulk Value

🔋1.45V Zinc-Air Power

🟡Color-Coded EasyTab Design

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Description

🔋 Power your day with Duracell’s easy, long-lasting hearing aid batteries!

EFFORTLESS HANDLING - EasyTab’s extended tabs and color-coded sizes make battery changes quick, clean, and foolproof.
UNMATCHED LONGEVITY - Duracell’s longest-lasting hearing aid batteries keep you powered all day without interruption.
BULK SUPPLY ZERO HASSLE - 80 batteries in one compact pack ensure you’re always stocked and ready—never caught off guard.
TRUSTED BRAND RELIABILITY - Join thousands of satisfied users who trust Duracell for consistent, premium hearing aid performance.
COMPACT DISCREET PACKAGING - Lightweight, space-saving design fits seamlessly into your lifestyle and storage needs.

Duracell Activair Size 10 hearing aid batteries deliver reliable 1.45-volt zinc-air power in a convenient 80-count pack. Featuring EasyTab extended tabs and color-coded sizes, these batteries simplify replacement while providing industry-leading longevity. Compact packaging and trusted Duracell quality make them the go-to choice for uninterrupted hearing aid performance.

Specifications

ASIN	B009ISUF50
Antenna Location	Hearing Aid
Battery Capacity	1.45 volts
Battery Cell Type	Zinc-Air
Battery Weight	4 ounces
Best Sellers Rank	#23,357 in Health & Household ( See Top 100 in Health & Household ) #11 in Hearing Aid Batteries & Chargers
Brand	DURACELL
Customer Reviews	4.6 4.6 out of 5 stars (3,615)
Item Dimensions	6.3 x 5.31 x 1.97 inches
Manufacturer	Duracell Activair
Model Number	BD13933
Number of Batteries	80 Product Specific batteries required.
Reusability	Single Use
Unit Count	80 Count
Voltage	1.45 volts

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₩72104

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In stock

Sold byAmazon South KoreaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Korea.

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