Chuck, I get about a week on a battery in my hearing aid (small 312 size).
When the voltage gets low, I get a warning tone. Though often, if I am
going for an appointment, etc, I will replace one as a precaution.
I have seen no technical data on the Siemens HA, but, if I am in a quiet
room, the thing will send out a small chirp, which, I assume, is just to
prove to itself that it is still working.
Jim Nichols
Tullahoma, TN USA
----- Original Message -----
From: "Chuck Norcutt" <chucknorcutt@xxxxxxxxxxxxxxxx>
To: "Olympus Camera Discussion" <olympus@xxxxxxxxxxxxxxxxx>
Sent: Tuesday, July 17, 2012 7:18 PM
Subject: Re: [OM] A Question About Batteries
> The self-discharge rate (unopened) is commendably low at 5%/year.
>
> Did you have to drill a hole in the battery cap for air?
>
> Chuck Norcutt
>
>
> On 7/17/2012 10:22 AM, Chris Trask wrote:
>>>
>>>> No, and at 75¢ each I can easily afford to simply replace
>>>> them at the beginning of each hiking season and not bother
>>>> with making an adapter for silver oxide batteries.
>>>
>>> I am curious how the voltage fall-off varies between them,
>>> though.
>>>
>>
>> The datasheet, available here:
>>
>> http://www.renata.com/cms/fileadmin/downloads/productsheets/hearing_aid_batteries/DBZA675maratone_V04.pdf
>>
>> shows that the voltage remains usable for a long period of time, but they
>> may expire due to shelf life first rather than power usage as I doubt
>> that I would use them for more than a couple of hours in any given year.
>>
>> Chris
>>
>
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