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Posted: 2022-12-2607:17 AM
Back-UPS Pro drops to 60% almost immediately
I just bought 1500VA Sine Save UPS BR1500MS2 not long ago (~3 weeks) for backup power to my router. total load under 20W. Fully charged, as soon as I unplug, the UPS drops to 80% and then to 60%. I though maybe the battery wasn't calibrated, and followed APC guide to put 20-30% load and let the battery run and discharge and then re-charge. After that, same thing, no difference. With only slight load, the battery drops to 60 within a minute. Is this a known issue that can be dealt with?