[Elecraft] k1 battery option and mods

Hi all Just acuired a secondhand K1 and I'm thinking about adding the battery option and hope to get some coments on the usability of this option If anyone has made a drawing of the metal plate that goes inside, I would like to receive a copy. I'm going to make some mock-up before ordering the

[Elecraft] k1 battery option and mods

Henning: I would not install the internal battery option. It requires that you install a smaller speaker and there is always the danger of the batteries leaking and damaging the board in the K1. It is very easy to make up a small battery pack and a short cable to connect it to the radio.

Re: [Elecraft] k1 battery option and mods

Henning: I have K1 #1423, my only HF rig at this time, 4 bands. I have always used an external battery, a bit more bulk but I did not have to disturb the insides of the K1, or worry about battery leaks. I first built the K1 using 150KHz range for the tuning. Tuning was much too difficult to

Re: [Elecraft] k1 battery option and mods

I wholeheartedly endorse the comments by Jim, K4ZM. The back light is really nice. I use a pack of 10 x AA sized 2700 mAH NiMh cells in a battery holder inside a plastic project box. The battery pack has a solid state self resetting fuse and short cable to the K1. It is charged with a small