Hi All

Is there something like a plug-in tester to test a whole bunch of 1KVA UPSs, instead of "cracking" each one open and doing a load test on the battery?

Thanks,

R

Like this?

https://www.takealot.com/electric-quartz-heater-800w/PLID72496228

So theoretically yes but technically no.

Does that device perform any sort of test?

So considering two wrongs don't make a right or two left turns makes a U-turn or whatever, could one theoretically test the battery capacity via the UPS output? Like would there be a discernible drop/pattern on the AC side vs the DC side voltage drop? Etc etc.

41 minutes ago, rafcom said:

So theoretically yes but technically no.

Does that device perform any sort of test?

So considering two wrongs don't make a right or two left turns makes a U-turn or whatever, could one theoretically test the battery capacity via the UPS output? Like would there be a discernible drop/pattern on the AC side vs the DC side voltage drop? Etc etc.

If the battery has been working say a month and subjected to LS 800W would be a high load to power. 

I would try about a 150-250W load and use a halogen filament spot light. You can even just buy 2x150W bulbs and make a bracket for connections. 

https://www.glolighting.co.za/k-light-d-01983-240v-150w-118mm-qi-halogen-bulb.html?gad_source=1&gclid=CjwKCAjwtNi0BhA1EiwAWZaANBjsirBJ8ex9SRMtcsg4iteU8zWhT2NL_4uRwjG4oEEuKuBbSEaiFhoCgUcQAvD_BwE

Edited July 16, 2024Jul 16 by Scorp007

5 hours ago, rafcom said:

So theoretically yes but technically no.

Does that device perform any sort of test?

So considering two wrongs don't make a right or two left turns makes a U-turn or whatever, could one theoretically test the battery capacity via the UPS output? Like would there be a discernible drop/pattern on the AC side vs the DC side voltage drop? Etc etc.

You need to do a load test to determine the state of the SLA battery(s). There would be no relationship between AC and DC. So no to measure ac voltage could not determine the SOH of the batteriey(s), otherwise you need to open the ups's and check the battery voltage while under load. If the dc drops below a certain level the ups will switch off.

Thanks TaliaB, cracking them open seems to be the only way then 👍