Replace battery

[Anonymous user]

I have fault replace battery on my smart ups srt 20000 i did run time calibration but nothing changer still the same 

Note: the batteries new and run time changed from 45 min before fault to 5 min after fault 

[BillP]

Hey Ahmed, what’s the first 6 digits of the serial number (this will identify the age of the batteries you’ve been supplied)?

Did the calibration test confirm it was completed successfully?

[Anonymous user · Accepted solution]

Thanks for reply

Battery production Aug 2018 

yeh i did calibration and it was successful but the fault still the same

 before five months i got the same problem then i replaced the batteries and the fault didnt go so i did calibration its gone