[PLUG] Marine battery safety...

2010-11-07 Thread Michael C. Robinson
I have APC SU1000NET smart UPSes on 3 servers plus 1 diskless server and an occasionally active server that is used for backup purposes. I am not satisfied with the run time. A half an hour or even a mere 5 minutes is not enough with most major power outages lasting 1 to 4 hours. Typically, a

Re: [PLUG] Marine battery safety...

2010-11-07 Thread John Jason Jordan
On Sun, 07 Nov 2010 00:53:11 -0700 Michael C. Robinson plu...@robinson-west.com dijo: Essentially, I want to build a very simple UPS. Charge batteries and feed AC power to the rest of the circuit when the power is on. When there is a blackout, power the rest of the circuit (not the breaker box

Re: [PLUG] Marine battery safety...

2010-11-07 Thread Erik Lane
You want to run 200 amp 120V service off of batteries? I hope you have deep pockets! You would need a battery room the size of a good garage to run that for any length of time. A large battery could be rated at 200 amp hours, so that would put out 200 amps for one hour. (Well, if you were trying

Re: [PLUG] Marine battery safety...

2010-11-07 Thread Richard Owlett
*PLEASE* don't try this at home You _ALMOST_ ask right questions. difference could be *FATAL* !! ___ PLUG mailing list PLUG@lists.pdxlinux.org http://lists.pdxlinux.org/mailman/listinfo/plug

Re: [PLUG] Marine battery safety...

2010-11-07 Thread Denis Heidtmann
On Sun, Nov 7, 2010 at 12:14 PM, Richard Owlett rowl...@pcnetinc.comwrote: *PLEASE* don't try this at home You _ALMOST_ ask right questions. difference could be *FATAL* !! Please move this to Plug Talk, (unless the batteries are running Linux.)

Re: [PLUG] Marine battery safety...

2010-11-07 Thread Richard Owlett
Can Life Safety issues EVER be Off Topic ? OP should really contact professionally competent person. Denis Heidtmann wrote: On Sun, Nov 7, 2010 at 12:14 PM, Richard Owlettrowl...@pcnetinc.comwrote: *PLEASE* don't try this at home You _ALMOST_ ask right questions. difference could

Re: [PLUG] Marine battery safety...

2010-11-07 Thread Matt McKenzie
On Sun, Nov 7, 2010 at 1:03 PM, Denis Heidtmann denis.heidtm...@gmail.comwrote: On Sun, Nov 7, 2010 at 12:14 PM, Richard Owlett rowl...@pcnetinc.com wrote: *PLEASE* don't try this at home You _ALMOST_ ask right questions. difference could be *FATAL* !! Please move this to

Re: [PLUG] Marine battery safety...

2010-11-07 Thread Keith Lofstrom
On Sun, Nov 07, 2010 at 12:53:11AM -0700, Michael C. Robinson wrote: I have APC SU1000NET smart UPSes on 3 servers plus 1 diskless server and an occasionally active server that is used for backup purposes. I am not satisfied with the run time. A half an hour or even a mere 5 minutes is not