[Elecraft] KX3/P3 external power source

[Nr4c]

Thanks, Fred. 


Sent from my iPhone
...nr4c. bill


> On Jun 10, 2017, at 3:21 PM, Fred Jensen <k6dgw at foothill.net> wrote:
> 
> Bill's observation was for LiPoly.  They're close to 4 V per cell.  3 gave me around 11.7 to 11.8 fully charged, so 4 in series would be near 16 V.  My 4S1P LiFePO4 right off the charger measures 13.8 V, but that drops to around 12.7 almost immediately after I apply a load.
> 
> 73,
> 
> Fred ["Skip"] K6DGW
> Sparks NV DM09dn
> Washoe County
> 
> 
>> On 6/9/17 5:36 PM, GRANT YOUNGMAN wrote:
>> A fully charged 4S LiFePO4 battery will be about 14v.  Well within the KX3 limits.
>> 
>> 
>>> On Jun 9, 2017, at 8:09 PM, Nr4c <nr4c at widomaker.com> wrote:
>>> 
>>> I believe a fully charged 4S LiPo battery will exceed the max input voltage of a KX3!
>>> 
>>> Sent from my iPhone
>>> ...nr4c. bill
>>> 
>>> 
>>> 
>> Grant NQ5T
>> K3 #2091, KX3 #8342
>> 
>> 
>> 
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