Njoy Ranger 60KR User Manual page 38

Battery Descrip-
Test tion
LCD
display
38
When UPS is in AC mode or CVCF mode, press "Test"
key for more than 0.5s. Then, the UPS will beep once
and start "Battery Test". The line between I/P and
inverter icons will blink to remind users.
This operation is used to check the battery status.