OWON MSO Series - Manual (Page 112)

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Appendix C: Battery Using Guide
Charging the oscilloscope
The lithium battery maybe not be charged when delivery. Please charge the battery for 12 hours to
make sure enough power to supply to oscilloscope. The battery can supply power for 4 hours after
being charged completely.
There will have battery power indication show on the top of panel when oscilloscope power supplied
by the battery. , , and imply for different power consumption and when shows it means
the power can only supply for 5 minutes maximum.
Note:
To avoid superheat of battery during charging, the environment temperature is not allowed to exceed
the permissible value given in technical specification.
Replacing the Lithium Battery Unit
It is usually not required to replace the battery unit. But when it is required to replace it, only qualified
personnel can carry out this operation, and only use the same specification lithium battery.