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Posted: 2021-06-2909:28 PM. Last Modified: 2024-03-2004:14 AM
XS 1500 goes to battery when plugged in
I just replaced the batteries in my Back UPS XS 1500. When I try to start the unit up, the "On Line" light blinks a few times and then it clicks and goes to "Battery" and stays there for 5 minutes, then shuts down. I have tested the power outlet and it is working fine.