[PLUG] Re: UPS failure/replacement

[Russell Senior]

>>>>> "Aaron" == Aaron Burt <aaron at bavariati.org> writes:

Russell> How much voltage should there be on a dead battery?  I just
Russell> measured 13.15 and 13.2 V, respectively.  PowerSonic PS-12120
Russell> F2.

Aaron> Looks OK, though often a bad battery can show a good voltage,
Aaron> but fail a load test.  Short the battery for a half-second with
Aaron> a long piece of wire and then measure the voltage.  Or see if
Aaron> you can monitor the battery voltage during a UPS test.  Or you
Aaron> could put the UPS into Runtime Calibration mode.

Well, it had enough juice to cook a 47 ohm resistor in about 5 seconds
with no measurable loss of voltage.  My guess is that batteries are
okay.


-- 
Russell Senior         ``I have nine fingers; you have ten.''
seniorr at aracnet.com