Electric vehicles and charging slowdown
The article explains that the charging speed of electric vehicles gradually slows down as the battery approaches full capacity, especially after reaching around 80%. This occurs due to the battery management system, which reduces the power flow to protect the battery cells from damage and extend their lifespan. Fast charging is prevented from continuing at high charge levels to avoid excessive heat and chemical damage. The charging process significantly slows down when the battery level is between approximately 90% and 100%, with modern chargers primarily focused on rapid charging up to 80%. After that point, the process decelerates to ensure battery safety. Studies indicate that this slowdown is not a malfunction but a protective measure aimed at preserving battery life. The degree of deceleration varies among different vehicles and battery types and also affects the total charging time, as it takes longer to add the final percentage of charge.
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