Can a Bulging Battery Be Used?

1 Answers
LaRowan
07/30/25 8:41am
A bulging battery is not recommended for continued use. Below is relevant information about battery bulging: 1. Hazards: A bulging battery can easily lead to reverse polarity in later stages, where the positive terminal becomes negative and the negative terminal becomes positive. This can cause the charger to burn out and damage the controller. If the protection functions of the controller and charger are not comprehensive enough, it may even lead to a vehicle fire. 2. Causes of Bulging: The main reason is excessive charging or discharging current, which causes the temperature inside the battery to rise rapidly. If the gas cannot be vented in time, the pressure builds up to a certain level, resulting in bulging or deformation.
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