How long should the first charge be for a new four-wheel electric vehicle?
2 Answers
For the first charge after replacing the battery of an electric vehicle, charging for about 5 hours is sufficient. Electric vehicle battery maintenance tips: The battery charger should be compatible. When replacing the charger or battery, it is best to consult a professional technician for recommendations. Don't overly focus on technical specifications, as most chargers come pre-configured. However, batteries have a dynamic lifespan, and strictly speaking, there are currently no chargers on the market that can fully guarantee charging quality. Electric vehicle charging precautions: The first charge should be done during the day. During the initial charge, the battery should be fully charged. However, a full charge does not mean overcharging. Charging during the day makes it easier to monitor the charging time, preventing the battery from being overcharged or excessively discharged for the first time.
I just got a new electric car last year and specifically asked the engineers about the first charge. They said nowadays EV batteries don’t need to be charged for 12 hours like the old belief—NCM or LFP batteries are already activated from the factory. The first charge is the same as usual; plugging into a fast charger takes about 2-4 hours to reach full capacity (depending on battery size and charger power). It really annoys me when people deliberately drain the battery and charge it overnight—that actually harms the battery! The key is to avoid letting the charge drop below 10% before recharging, and not always charging to 100%. Last time, I charged at 30% and stopped at 85% automatically, which is best for battery lifespan.