UPS Output problem (No output on backup mode) Inverex Solar inverter

Is video me apko batya jai ga k agr ups backup (battery) pr output voltage ni de raha to kese repair kia jai ga. How to repair UPS,no output on battery,no output on backup mode,backup problem ,UPS backup problem ,backup mode problem ,uninterruptible power supply,ups battery,no power output,no power,how to fix ups problem,ups solution at home,backup issues,how to repair ups #UPSOutputProblem #InverterOutputProblem #InverterRepair