I have an extra one of those if you want it. On Apr 26, 2015 8:43 AM, "Chuck McCown" <[email protected]> wrote:
> A load of that size really needs a regular telecom rectifier/charger. > They are designed for exactly this application. If your load is 100 amps, > the power supply needs to be probably 120 or 150 with current limiting so > it can pull the load and charge the batts after an extended outage. Lately > I have been using these: > > http://www.eltek.com/us/detail_products.epl?id=1233974&cat=24671&k1=&k2=&k3=&k4=&close=1 > > If you get the BC-2000 controller, you get a nice battery load test and > telemetry option too. You can run the system just on batts for any > specified amount of time and graph the discharge. Shows the life and > health of the battery really quickly. > > > On Apr 23, 2015 11:34 PM, "TJ Trout" <[email protected]> wrote: > >> I have a dc load that I need to power using a switching ac to dc power >> supply but I also occasionally need to power the load from batteries, I was >> planning to put the load, power supply and battery clamps in parallel, is >> that a acceptable solution ? Can I power the load from battery and back >> feed DC into the supply without damaging it? Would there be a significant >> drain back into the supply? >> >> If this isn't ok, what's better solution? Diode ? SPDT switch ? >> >> The load is 50V 100A so that makes diodes and switches a challenge to >> find. .. >> >
