I second the GENASUN. And they have the advantage of being RF dead quiet. Grant NQ5T
> On Jan 4, 2020, at 6:48 PM, Igor Sokolov <[email protected]> wrote: > > For several years I have been using 5.5 AH (for KX3) or 25 AH (for K3) > LiFePo4 batteries, charging them with 1 or 2 60W portable folding solar > panels using GENASUN MPPT rf quiet controller. This controller is highly > recommended. > > In reality a pair of the above panels were squeezing maximum of 5.5 A. > > 73, Igor UA9CDC > > 05.01.2020 3:24, Wayne Burdick пишет: >> I finally installed a single 50 W, 12 V solar panel on the roof for light >> backup purposes -- phone/pad/laptop/flashlight charging, natural-power use >> of the KX2/KX3, etc. Connecting the panel directly to automotive-style USB >> chargers works great when the sun is shining. >> >> My 15 year old thinks it's cool. He wants me to turn the mains breaker off >> for a whole day so we can get the full off-grid experience :) >> >> To facilitate that more rigorous purpose, I'd like to add a modest battery >> pack, say 10 to 20 AH, that is charged by the PV panel without intervention. >> The charger has to be compatible with simultaneous charge/discharge, i.e. we >> may need charge USB devices at the same time the PV panel is charging the >> battery. The battery voltage should be 11 to 12 V minimum after any >> controller drops so it'll work with the radios. >> >> I could cobble something together from several different vendors, but I'd >> prefer to purchase system components that are already proven, reliable, and >> reasonable in cost. Any recommendations? >> >> tnx >> >> Wayne >> N6KR >> >> ______________________________________________________________ >> 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] ______________________________________________________________ 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]
