[Elecraft] Modern K2 internal battery options

[AD6XY]

Several people have used LiPos in the K2 - I looked into it but I decided it
was too risky. There is a risk of fire/explosion but with suitable
protection the really big risk letting the battery go flat and ruining it. I
have a LiPO pack to power the K2, but it remains external and has a low
voltage warning buzzer.

Instead I bought a AA battery case, holding 8AAs as 2 rows of 4 with a PP3
type connector. You can get these everywhere. I installed it in place of the
Gel Cell. It fits fine with a bit of padding. One or two slight circuit
modifications later and with the case filled with cheap 2AH AA NiNH cells I
had a new battery pack.

Mike



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