CipherLab RK25 Reference Manual page 67

Using RK25 Mobile Computer
PRECAUTIONS WHEN CHARGING THE MAIN BATTERY FOR A LONG TIME
Please avoid using RK25 mobile computer with heavy system loading when it is being
charged for a long time, for the battery is continuously charged and discharged in this
period of time, and it might result in battery bulge.
Due to safety precautions, it is a normal phenomenon that the battery status shows it is not
fully recharged when RK25 mobile computer is connected to an external power supply for a
long time. Please pull out the charging cable and then plug it again to recharge the battery.
When being connected with a snap-on cable/ charging & communication cradle/ micro USB
cable for external power supply, RK25 mobile computer will automatically stops charging
the battery once the battery level reaches 100%. It resumes charging the battery when the
battery power level is lower than approximate 90% and the voltage is 4.15v.
BATTERY TEMPERATURE ANOMALY
High ambient temperature or keeping using RK25 mobile computer while charging might
results in battery temperature rises. RK25 mobile computer will automatically suspend
charging battery or shut down for safety purpose. Once the battery temperature cools down
to normal temperature, battery charging could be proceeded again.
The warning " " shows up to instruct you to remove the battery if
Over Battery Temperature
the temperature of the RK25 battery reaches while it prompts to automatically shut
55
down if the temperature of the RK25 battery reaches .
60
▪
At 55
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