Operating Manual - MPF
www.medical-freezer.com
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3.3 Battery Protector
For safety reasons, the refrigerator is equipped with an electronic system to prevent polarity reversal.
This protects the refrigerator against short-circuiting when connecting to a battery.
• In order to protect the battery, when the battery voltage is insufficient, the circuit control system on
the refrigerator will automatically turn off, which can effectively protect the battery. The relevant
start voltage and disconnect voltage data as below.
Hazard warnings!
• In order to protect your battery from being completely depleted and affecting other uses, it is
recommended to set the voltage level to “Hi” or “Nd”.
• Never handle plugs and switches with wet hands or if you are standing on a wet surface.
4. Use of Refrigerators
4.1 Power On/Off
• Switch on the refrigerator, press the on/off button, then the LCD display lights up and the
compressor starts to work.
• Long press the on/off button for 3 seconds, the buzzer will beep for 1 second, then the LCD
display lights off and the compressor will stop working.
