A very helpful update, thank you!
___________________________________
John Hermanson | CPS, Inc.
21 South Ln., Huntington NY 11743
631-424-2121 | www.zuiko.com
Olympus OM Service since 1977
Gallery: www.zuiko.com/album/index.html
Tim Hughes wrote:
> Renata sells mainly to the watch market.
>
> So the cell discharge curve shown in literature, is at a low current making
> it look a bit better. Remember the OM's draw currents of ~16mA for short
> durations and the original 357's discharge curve was rated for significant
> pulse current. Although not rated, the Renatas do have low enough impedance
> when new, however the shelf life is not nearly so good.
>
> The shelf life is much worse than Energizer.
> Renata loses capacity at about 4~5% pa , versus ~ 1% for the Energizer.
> I evaluated the Renatas when I was evaluating the original Energizers, and
> they also have a fairly large increase in impedance after about 2 years of
> storage, although that drops again as time goes on.
>
> So if you do get Renatas, make sure you store then in refrigerator (not deep
> freeze) so they stay more like new when you need them. Stored at <5C of
> typical refrigerator, the shelf life should be comprable to energizer stored
> unrefrigerated. Also get them from a supplier with a large turnover, so they
> are sure to be fresh.
>
> Tim Hughes
>
> --- On Sun, 10/4/09, Moose <olymoose@xxxxxxxxx> wrote:
>
>
> From: Moose <olymoose@xxxxxxxxx>
> Subject: Re: [OM] 357 batteries
> To: "Olympus Camera Discussion" <olympus@xxxxxxxxxxxxxxxxx>
> Date: Sunday, October 4, 2009, 6:19 PM
>
>
> Fernando Gonzalez Gentile wrote:
>> ... After a little of hair-pulling, am I correct in assuming that (at least
>> on paper), Renata 357 are somehow outstanding?
>>
>> <http://www.renata.com/pdf/watch/DB357.pdf>
>>
>
> Yup, terrific.
>
> Moose
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