Lynn, I haven't tried it with my KX3 but I'm an avid Appalachian Trail hiker and have run into several hikers with solar panels on top of their backpacks charging iPhones and weather radios as they hike. Not sure if the output is sufficient for us hams but it's probably getting there.
Sent from my iPhone > On May 2, 2016, at 2:15 PM, Lynn W. Taylor, WB6UUT > <k...@coldrockshotbrooms.com> wrote: > > It's been a while since I've been backpacking, but this got me to thinking.... > > If you're actively hiking, you can't really hang a panel on your pack and > plan on it being pointed at the sun. That means either staying put to charge > batteries, or bigger panels for faster charging, or bigger batteries for the > days you can't effectively charge, or something like that. > > Is solar charging in this case even practical? The bigger the panel, the > heavier the load. > > A quick and dirty, conservative calculation suggests that the lithiums would > be good for a couple of days of "a few hours" at 5 watts. Probably twice > that at "an hour or so." > > 73 -- Lynn > >> On 5/2/2016 9:02 AM, Walter Underwood wrote: >> If you don’t mind non-rechargeable batteries, AA lithium primary cells are >> the lightest option. They are about 0.5 ounce each, so a 3000 mAh set weighs >> 4 ounces. Carrying a spare set of those will be lighter than a solar panel. >> They are also 1.5 V, so you get 36 Wh from a set instead of 25 Wh from a set >> of 2500 mAh NiMh cell. >> >> On May 2, 2016, at 7:53 AM, Joe Moffatt <j...@selectconnect.net> wrote: >> >> Anyhow, I am trying to figure out what to use for portable solar >> rechargeable power while backpacking in the mountains. My typical trip >> will be 2-3 days, a few hours a day operating primarily CW. 5 watts is >> fine for CW.... >> > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to hdplunk...@comcast.net ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
