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Does the Buick Excelle require battery matching when replacing?

1 Answers

DelFinley

07/29/25 7:49pm

Matching is mandatory. Detailed explanations are as follows: 1. Function of the battery: The battery serves as a power source, supplying electricity to the car's starter and ignition system, and also distributes stable DC power to the vehicle's electrical appliances, ensuring that the electronic circuit system remains powered normally even when the car is parked. The battery also plays a role in stabilizing voltage, maintaining voltage stability during high-speed operation of the car, thereby protecting electrical appliances. 2. Hazards of mismatched batteries: (1) Operational faults: If a regular battery is installed, it may lead to insufficient current supply for the starter's operation, resulting in operational faults and potentially severe issues such as inadequate rotation speed. If the starter is damaged, the cost of replacing it far exceeds that of an auto start-stop battery. (2) Power management system faults: The standards for the power management system differ. Vehicles equipped with auto start-stop functionality have current, voltage, and power distribution calibrated according to the original battery specifications. If a regular battery is installed, the vehicle's internal power management system will still control the current based on the original standards, which can easily cause power management system faults or even system incompatibility with the power source, ultimately preventing the car from starting.

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