Are all 312 hearing aid batteries the same?
there is no difference between a 312 battery and a 312a. It is a manufacturers designation only, The batteries are the same. Voltage is shown either as 1.4V or 1.45V. Both will work perfectly in hearing aids designed for size 312 batteries.
Are mercury free hearing aid batteries better?
Mercury Free and Standard batteries’ running time is equal when used within the same category of hearing instruments. Non-mercury containing batteries are also more environmentally friendly because of the absence of mercury to the cell.
Do hearing aid batteries have mercury?
Mercury is a stabilizing element in hearing aid batteries. There has been some legislation out there to remove mercury from hearing aid batteries. So the battery industry came together and decided that by 2011, as an industry, there will no longer be mercury in hearing aid batteries.
Are Rayovac hearing aid batteries Lithium?
Delivering the power of lithium Our latest lithium batteries comply with the new air freight legislation, come in a wide range of sizes and are supplied in child resistant packaging for peace of mind.
Are hearing aid batteries 13 and 312 interchangeable?
Are 312 and 13 batteries the same? No, they are not the same – they differ in size (312: 7.9 x 3.6 mm, 13: 7.9 x 5.4 mm) and capacity.
Should hearing aid batteries be refrigerated?
Store extra hearing aid batteries in a dry, room temperature place. Extreme temperatures—both hot and cold—and high humidity levels are not good for the life of your hearing aid batteries. For this reason, never store your hearing aid batteries in the refrigerator or bathroom.
Why are there tabs on hearing aid batteries?
In most cases, hearing aid batteries are disposable zinc-air batteries. This means that the batteries require oxygen to function. The batteries arrive with a sticker or tab which, once removed, exposes tiny holes in the battery to the air, effectively activating it.
How long does 312 battery last?
3 to 10 days
Size 312 (brown): These common batteries can last a little longer and average 3 to 10 days. Size 13 (orange): Size 13 hearing aid batteries can last between 6 to 14 days.