Engineering Student Repairs EV Battery, Goes Viral After Avoiding Costly Service Quote

A video claiming to show an engineering student repairing his electric vehicle (EV) battery at home has gone viral on social media, sparking both admiration and concern. According to posts accompanying the footage, the owner was quoted a high repair cost by the company and told that replacement parts would take several days to arrive. However, the information could not be independently verified.

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Faced with a long wait and a large bill, the student reportedly decided to diagnose and fix the issue himself. The claims state that he dismantled part of the car, opened the battery pack, identified the fault and completed the repair over two days, spending only a fraction of the amount quoted by the authorised service centre. The vehicle is then said to have returned to normal operation.

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Mixed Reactions Online

The video has drawn attention because the owner is said to have applied technical knowledge from his engineering studies to work on a high-voltage EV system. Some users praised the initiative, with one commenting that such expertise could be useful for many EV owners. Others expressed frustration with high service costs, saying companies "loot us" and that customers lose money "in every way".

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However, several viewers warned against treating such repairs as a model to follow. One user noted that "just a small spark is enough for the entire battery pack to explode", stressing that EV battery packs should not be dismantled casually. Another pointed out that even experienced service centres exercise extreme caution when removing and working on high-voltage batteries, citing instances where improper handling has led to dangerous situations.

A third commenter questioned who would be responsible if another problem developed later, arguing that it is "always better to get these things fixed from the OEMs". Another user cautioned that an engineering student is not automatically qualified to work on high-voltage systems, adding that financial savings should not come at the cost of safety.

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Safety Concerns With DIY EV Battery Work

EV traction batteries typically operate at several hundred volts and can deliver lethal currents. Industry safety guidelines emphasise the need for trained technicians, insulated tools, proper isolation procedures and personal protective equipment when working on high-voltage components. Experts warn that opening a battery pack without appropriate training and equipment can lead to electric shock, arc flash, fire or thermal runaway.

The authenticity of the video, the specific EV model, the nature of the battery fault and the exact repair cost quoted have not been independently verified.