[Elecraft] KX3/P3 external power source

Fred Jensen k6dgw at foothill.net
Sat Jun 10 15:21:46 EDT 2017


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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