______________________________________________________________Moving it must put a strain on your back! <grin>JimLogic: Method used to arrive at the wrong conclusion, with confidence. MurphyOn Thursday, August 22, 2024 at 08:33:16 AM CDT, Mark K3MSB <mark.k3msb@gmail.com> wrote:That's what I do for my SCR-274N setup. A pair of tractor batteries in series across the 28V PS Output, I don't have any problems.On Thu, Aug 22, 2024 at 8:58 AM CL in NC via Milsurplus <milsurplus@mailman.qth.net> wrote:I think most folks just run a pair of car batteries in series for those big loads with a charger in place to keep things up to snuff, but with the price of batteries today, a big enough switcher supply is more affordable. A 24 volt supply is usually cheaper than a 28, sometimes by a lot, and you can adjust them up to about 26.5, no real reason to run 28 as there was only 28 when the aircraft engines were running, 24 when not. Meanwell supply's are very radio quiet.
Charlie, W4MEC in NC______________________________________________________________
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