I'd generally run 75W, My activations 2-3 hours (I get tired) 20AH should make it from all the responses I've seen..Thanks, Marc KM7AZ
Sent from Yahoo Mail On Tuesday, July 8, 2025, 9:35 AM, Mike Dodd via Elecraft <[email protected]> wrote: On 7/8/2025 12:13 PM, Bob Stephens AF9W via Elecraft wrote: > A consideration with the KXPA100 is that it requires a minimum of 13.8 volts > to get 100w out. As the voltage drops below that amount, the output drops > also. I owned one for 10 years and it didn't like operating from AGM > batteries. At 12.6 volts I got around 80w. Keep in mind that 20-watt difference is less than 1db -- one-sixth of an S-unit. --- Mike N4CF ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]

