How do I Perform a Manual Battery Runtime Calibration on my Easy-UPS

Issue:

How do I perform a manual runtime battery calibration on my Easy-UPS?

Product Line:

Easy-UPS

Environment:

All models, All Serial Numbers

Cause:

Occasionally you may find that the runtime being reported by your Easy-UPS and the runtime expected are different. Running a Battery Calibration may help.

Resolution:

During normal operation, your Easy-UPS will display an estimated runtime via the software, network management card, or LCD screen. This runtime will vary depending on the load attached, the battery charge, and the age of the batteries. Performing a calibration forces the UPS on battery, drains the battery down, and charges it back up. This "teaches" the UPS what the true runtime available is. Draining the battery and recharging puts some wear and tear on the battery system and is not recommended unless there is a specific issue you are trying to address. Please keep in mind that the runtime reported while the UPS is online is only an estimate. The runtime reported when the UPS is on battery power is more accurate. Due to increased wear and tear on the battery we recommend performing a calibration no more than once every 6 months (if needed).

• Stop the Power Chute software from running and disconnect the serial, USB, or Ethernet cable(s).
• There must be at least a 30% load attached to the UPS during this procedure, and this load cannot fluctuate more than +/- 5%. THIS IS IMPORTANT
• Attach a non-critical load to the UPS and then force the UPS on battery by disconnecting it from utility power.
• Allow the unit to run on battery until it turns off completely. The load attached to the UPS will drop.
• If the Load is not at least 30% or if the calibration is ended before the UPS drops the load, the calibration will not work.
• Plug the UPS back into the wall outlet and allow it to recharge (preferably turned off)

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