Batteries replaced yet still showing "Discharged battery"

[Anonymous user]

Hi,

We have a Smart-UPS RT 10000XL.

We had the batteries replaced a few days ago.

It seemed the batteries started charging right away but these messages remained:

"Discharged battery" & "The battery power is too low to support the load, if power fails, the UPS will be shut down immediately".

A while after the replacement the "battery capacity" showed 100% but when I run a runtime calibration it immediately drops to 6-7 %, after some hours it's back at 100% but still messages stay...

Please advice on what could be causing this.

Thanks

[BillP · Accepted solution]

I'll send you some instructions offline to try if the calibration is not working properly.

[Anonymous user]

Hi,

Would you mind sending me the instructions as well? I'm running into the exact same issue.

Thanks

[BillP]

I will but I need to know what model of UPS it is and confirm that the batteries have just been replaced because this procedure cannot be done on a UPS with old batteries.

Typically, the calibration should be tried first...

[Anonymous user]

Hi,

It is a model SURT8KRMXL6U-TF5 and yes, the batteries have just been replaced. I attempted another runtime calibration and the batteries went from 100% charged to 2%, and the Discharged Battery error is up again.

Thanks

[Anonymous user]

Hi,

I can confirm that the procedure that was provided worked.

But you indeed need to contact APC for the correct instructions as they are dependent on the UPS type.

Filip

[Anonymous user]

Hi Angela,

Can you share the solution for the "Discharged Battery" event in a Smart-UPS RT 10000 XL ?

The event began after change the batteries.

[Anonymous user]

Any advice?

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