● Power supply: Connect to DC 12V/24V or AC 100-240V (using the adapter) power
supply.
● Power on/off: Press to switch on/off. When the light is red, the compressor is
shutting down or has a delayed start. When green, the compressor is working.
● Temperature setting: press or for temperature settings, which will be saved
automatically. Note: The current temperature of the compartment is what will be
displayed. It will take a while to reach the temperature set.
Temperature range: -20-20°C (-4-68°F).
● Cooling mode: When on, press to switch to HH ( cooling mode is red) and ECO (
energy saving mode is green). Factory setting is HH.
● Battery protection mode: When on, hold for three seconds until the screen flashes.
Press again to select the protection mode H3 (High), H2 (Middle) and H1 (Low).
Factory setting is H3.
● The voltage is theoretical and could differ in different scenarios.
● H should be set when connected to a car. M or L should be set when connected to a
portable or backup battery.
● Temperature unit setting: Switch off the fridge, hold for three seconds until E1 is
displayed, keep pressing until you see E5. Then press or to select Celsius or
Fahrenheit. Factory setting is °C.
● Reset: Switch off the fridge, and hold for three seconds until E1 is displayed. When
on E1 mode, hold and at the same time until the screen displays ‘888’
