Use this DC UPS inspection checklist to evaluate the condition of DC backup systems, including charger and cabinet details, electrical and mechanical checks, ventilation, indicator lights, and alarm status. Record battery temperature, bank voltage, DC current, AC ripple current, rectifier and charger currents, input and float or output voltages. Perform and document discharge tests and individual battery voltages, note results, and capture photos. Add recommendations for repairs and future inspection intervals to keep critical power systems operating safely and without interruption.
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