[Elecraft] PROPOSAL: K2/10 Battery LiPO / 8AA carrier option

Ignacy no9e at arrl.net
Wed Nov 28 11:33:58 EST 2018


This battery has very high current potential but does not have a limiting
board. You can connect it to K2 via a resettable 3A fuse. But I would choose
Li-Ion something with less max current and PCB board for safety and
reliability. Like:
https://www.batteryspace.com/li-ion-18650-battery-11-1v-2-6ah-28-86wh-4-2a-rate-3s-s-battery-module---un38-3-passed-ndgr.aspx

For many years I used 3S1 combination using flat cells inside my K2. It was
charged at 12.8V with 1 A limit and the connection to K2 was by a resettable
fuse. Keeps > 11V for about half the charge. Never a problem despite
travelling across all continents. Very light. But I was always afraid that
something would short causing trouble. With batteries with PCB for limits,
the risk is far lower.  

Ignacy, NO9E



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