[volt-nuts] 3458a RAM batteries - longer life if unit is continually powered?

Chuck Harris cfharris at erols.com
Thu Mar 27 13:46:11 EDT 2014


Frank Stellmach wrote:
> Hi,
>
> the DALLAS datasheet specifies 10 years data retention. Quite obviously, that's the
> unpowered time.

It is also the time at the maximum storage temperature... where the silicon
has the most leakage current, and the lithium cells self discharge the most
quickly.

In my experience, they last easily twice to 3 times that long.

-Chuck Harris


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