Re: K1 Battery Solution

Posted by iw7dmh on
URL: http://elecraft.85.s1.nabble.com/K1-Battery-Solution-tp5905930p7464003.html

>I'd like to be able to run the radio at full power so being able to get to
>13+ volts would be great. I'd like charging to be fairly simple and safe.
>I'd like the battery as well as the radio to fit into one of Rose's K2
>cases... Another thing is that I would like a solution that will have decent
>longevity if it's somewhat expensive. But if its a fairly inexpensive cell
>then I'd put up with replacement every so often.   I'd like to be able to at
>least get 4 hours at full power using "normal contest operating"
>assumptions. I'll probably only use it casually so that should allow for
>more like 7 to 8 total hours hopefully.

Dear Brett,

I made a modification to KBT1 option just to have more power and better audio response.
I use 6 Lipo cells 2 x (3 x 3,7V/900mA). Voltage range is between 4,2V (fully charged) and 3,2V (discharged).
My inspiration was an interesting article of WA3WSJ (KX1 battery modification).
There are some notes on my qrz.com page but, however, it'll be difficult to have 4 hours at full power using normal contest operations. Instead you'll find it perfect for casual operations.

73', Enzo
IW7DMH