[Elecraft] KX3 battery upgrade?

[Ignacy]

LiFePO3 can be as heavy as KX3 and defeats the purpose of KX3 if weight is
concerned.

I use 4S2P Lithium Ion. Like:
https://www.batteryspace.com/li-ion-18650-battery-14-8v-5-2ah-77wh-2x4s-s-rechargeable-battery-pack-6-24.aspx

Since it has 16.8V peak, I charge it via a diode for 16V. A diode internal
to KX3 makes it 15.4 V max and thsi is what the internal meter in KX3 shows.
This is 12% over 13.8 V. Lasts a long time. Full power up to 15W. No problem
in > 5 years. 

Ignacy, NO9E






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