Battery Test; Internal Resistance Test - Huawei iBattery 3.0 User Manual

iBattery 3.0
User Manual

6.1 Internal Resistance Test

Prerequisites
Batteries are in float charging state, Single string current of battery value is 0 A, and no
battery overtemperature alarm, battery overvoltage alarm, or battery thermal runaway alarm
has been generated.
Context
To identify a faulty battery, you are advised to test the battery internal resistance.
Procedure
Step 1 Log in to the UPS WebUI.
Step 2 On the Monitoring > Control > iBOX Control page, specify iBOX No. and click Measure.
Step 3 On the Monitoring > Real-time Data > Battery String page, select Battery String_N to
view the detailed information about each battery string.
Criteria for determining that the iBAT detection function is normal:
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Issue 07 (2019-12-30)
If conditions are met, the iBAT will automatically perform an internal resistance test periodically.
The voltage displayed on the WebUI is in the range of the measured voltage ± 0.2%.
The temperature displayed on the WebUI is in the range of the measured temperature ±
1° C.
The internal resistance value is displayed for each battery.
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Battery Test

6 Battery Test
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