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What is the issue if the car charging pile keeps tripping?

2 Answers

PenelopeRose

07/29/25 8:41pm

It might be a problem with the power battery or the vehicle's BMS communication. Here are the relevant details: 1. Power Battery: The power battery is the power source that provides energy for tools, mainly referring to the batteries that supply power to electric vehicles, electric trains, electric bicycles, and golf carts. It is primarily distinguished from the batteries used for starting car engines. It commonly uses valve-regulated sealed lead-acid batteries, open-ended tubular lead-acid batteries, and lithium iron phosphate batteries. 2. BMS Battery System: The BMS battery system, commonly known as a battery caretaker or battery manager, is mainly used for intelligent management and maintenance of individual battery cells, preventing overcharging and over-discharging of the battery, extending the battery's lifespan, and monitoring the battery's status.

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HazelFitz

08/14/25 5:57pm

I also encountered this issue when installing a charging pile, and later found out that the capacity of the household electricity meter couldn't keep up. Nowadays, the charging power of new energy vehicles starts at 7 kW, which old house distribution boxes might not handle. First, check if the circuit breaker model in the dedicated charging pile circuit matches—preferably a C32 or D-grade circuit breaker. Also, monitor the wire temperature; copper wires below 6 square millimeters are prone to overheating and tripping. Some installers might lazily connect to the lighting circuit, which definitely can't handle 10 hours of continuous high-current operation. I later upgraded to 10 square millimeter wires with a 40A circuit breaker, and haven't had a trip in a year.

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