Calibrate - Smart RT 20kVA, yes or no?

[BillP]

We need replace battery modules of 20kVA Smart RT.
Can I replace it without calibrate?

[BillP · Accepted solution]

are you replacing them with genuine modules from APC? if you are replacing the modules as instructed by APC (versus swapping the individual batteries inside the modules), you should be fine. if anything, you should consider calibrating 1-2 times a year to ensure your runtime estimate is as accurate as it could be.