CipherLab RK25WO Reference Manual page 62

RK25WO Mobile Computer
BATTERY TEMPERATURE ANOMALY
High ambient temperature or keeping using RK25WO mobile computer while charging
might results in battery temperature rises. RK25WO 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 "Over Battery Temperature" shows up to instruct you to remove the battery
if the temperature of the RK25 battery reaches 55℃ while it prompts to automatically shut
down if the temperature of the RK25 battery reaches 60℃.
At 55℃ At 60℃
Using RK25 mobile computer under low-temperature environment may cause the device
shut down automatically. If the battery temperature is at 0℃ or even lower than 0℃
while charging, the red Status LED in the front panel blinks with a warning window popup to
remind the user to disconnect the charger, and RK25 mobile computer will automatically
suspend charging the battery.
For battery life, please unplug the charger immediately and charge your RK25 mobile
computer under appropriate temperature conditions.
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