Regarding the battery test:
1) How long does the battery to charge from 0% to 100%?
2) Discharge test:
A. Fill the box with water. First, freeze all the water to -5℃ to ensure that all the bottles have frozen. Set the refrigerator to 0℃, and then check the insulation time and the battery operation time.
B. Keep the box empty. First, lower the refrigerator temperature to 0℃, and then test how long the battery can operate.





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