[rescue] UPS batteries, west coast

Phil Stracchino alaric at caerllewys.net
Sun Apr 6 22:21:28 CDT 2003


On Sun, Apr 06, 2003 at 09:42:27PM -0600, phoetoid wrote:
> On kind of a side note to this, if you ever want to EXPAND the capacity
> of the backup..you can use a couple of deep cycle marine batteries
> connected in place of the regular ups' batteries. I have three UPS
> 1000's with this setup, and they will run 5 servers for well over 6
> hours...but then the batteries have to be trickle charged back to full
> capacity...but its a lot of uptime. You can also do it with the smaller
> ones too, using lawn mower, or motorcycle batteries, just as long as you
> have two of them again. Just my 2 cents


Question:  When you say "trickle charged back to full capacity", do you
mean you can't let the UPS's internal circuitry charge them?  And for
reference, how much runtime did you get before performing this
modification?


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