Where to Test a DEI Backup Battery: Testing Procedures for Reliable Performance
To test a DEI backup battery, access the Array Manager and go to Server > Array > PERC Subsystem > Controller. Check the battery state at the bottom. Use a digital multimeter to measure battery voltage; a good 12V battery should read between 12.8V and 12.85V. Conduct standard tests quarterly to maintain the UPS system. … Read more