Detailed explanation of battery protection functions for car refrigerators in high, medium, and low levels
Apr 30,2025
Due to the late start of compressor car refrigerators in China, the public's awareness of them is still insufficient. So, it's no wonder everyone has a series of questions when choosing a compressor car refrigerator, such as "Is the compressor car refrigerator safe to use?" and "Will using a compressor car refrigerator damage the car battery In response to the above questions, we have specially launched a tweet in this regard, hoping to answer everyone's doubts. Using our company's compressor car refrigerator, safety is still guaranteed because our compressor car refrigerator is equipped with a three-level battery protection system, which can safeguard the driving safety of car owners and protect the car battery. The so-called three levels of battery protection are high (H/V three), medium (M/V two), and low (L/V one). The voltage values for the compressor to stop or resume operation can be found in the refrigerator user manual. Our company's car refrigerator voltage level is generally set to medium at the factory. If the car battery voltage is insufficient, the refrigerator will display an Er1 error code, and the refrigerator will stop working to protect the car battery. So sometimes when the car engine stops working but forgets to cut off the power supply of the car refrigerator, there is no need to worry about damaging the car battery, because when the voltage of the car battery is too low, the Er1 error code symbol will pop up on the refrigerator display screen and automatically stop working. If the refrigerator does not work, it will naturally not continue to consume the car battery power. And when we see the ERI error code on the refrigerator display screen, there's no need to panic. Just shift down the gear by 1 gear, to medium or low gear, and the refrigerator will work normally again. So, the high, medium, and low voltage battery protection system is an important function for car refrigerators. It can protect the car battery, safeguard driving safety, and is not an optional feature.
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