Nice analysis. For Eneloop Pro batteries, with 2550 mAh capacity,
that would be 21% of capacity for the clock plus 15% for self-discharge.

Of course, whenever the KX3 is connected to “shore power”, that is 
used instead of the battery.

wunder
K6WRU
Walter Underwood
CM87wj
http://observer.wunderwood.org/ (my blog)

> On Oct 6, 2021, at 9:00 AM, Jon Poland <[email protected]> wrote:
> 
> I opened my KX3 and measured the current draw on my internal Eneloop
> batteries while the radio is off.  That current is 60 microamps.  At that
> rate, my 2000mAh batteries will  completely drain in roughly 3 years, 9
> months.
> 
> Looking at it from a different angle:  After 1 year, a fully charged set of
> batteries will have drained to ~60-65% capacity, ~10% from internal
> leakage + ~27% from the KX3 load.
> 
> Jon N0WL
> 
> On Mon, Oct 4, 2021 at 10:16 PM Eddy - k6sdw <[email protected]> wrote:
> 
>> I have a KX3 with the KXBC3 Nimh charger and Nimh batteries installed. My
>> question is: What's the current drain on the NICADS when I store the KX3
>> for long periods of time? The KX3 is primarily used for portable operation
>> and when I put the KX3 on the bench the batteries are dead needing
>> recharging. I wonder if I should pull on AA battery out during storage?
>> 
>> Many thanks
>> 
>> GL/73
>> 
>> Ed/k6sdw
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