AGM batteries can be air freighted...nuff said on safety. Gary Vk1ZZ K3, KX3, KPA500-FT, KAT500-FT,P3. On 23/12/2014 7:29 AM, "tom armour" <wa...@hotmail.com> wrote:
> I use one of these power supplies with a battery backup module installed > (Model: SEC-1223BBM). I have a deep cycle battery attached to it. > http://www.samlexamerica.com/products/ProductDetail.aspx?pid=516The > hot-switches to battery is very nice when power fails. Also if you happen > to draw more than 25A it uses the battery for the difference from up to > 35A. It charges the battery at 5A with normal power.Tom - wa4ta > > > Date: Mon, 22 Dec 2014 13:51:52 -0600 > > From: rpfj...@embarqmail.com > > To: elecraft@mailman.qth.net > > Subject: Re: [Elecraft] K3 13.8 VDC power > > > > Wow, thanks to all for the greatly informative answers. I gleaned many > > good ideas from them. > > > > This is my concern; I am interested in protecting my K3 from damage by > > not being shut down properly should a power interruption occur while the > > K3 is operating. For this design, I'm thinking about a worst case > > scenario; in transmit mode at 100 watts/20 amps, plus accessories on. > > > > I am concerned about Hydrogen gas while charging a lead-acid battery > > here in the furnace room. Since I don't need to operate by battery > > power, I'd like to know your thoughts about if a Gel-Cel battery of a 9 > > amp variety would handle the 20 amp load until I could go to receive > > mode and properly shut down? > > I haven't had any experience drawing that much amperage from a gel-cel > > momentarily. I don't know if the load voltage would be adequate to keep > > the K3 alive. I'd need to test it using an older style radio. I'm > > hoping someone has had experience related to this. > > > > Thanks in advance for comments, > > > > Dick, n0ce > > > > > > On 12/22/2014 1:31 AM, Richard Fjeld wrote: > > > Is anyone floating a battery across their power distribution? > > > > > > Dick, n0ce > > > > > > > > > > ______________________________________________________________ > > 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 wa...@hotmail.com > > ______________________________________________________________ > 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 vk1zzg...@gmail.com > ______________________________________________________________ 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
