What is the lifespan of a new energy vehicle battery?
2 Answers
The lifespan of a new energy vehicle battery is 6 years. New energy vehicles refer to those that use unconventional vehicle fuels as power sources or conventional vehicle fuels with new types of on-board power devices, integrating advanced technologies in vehicle power control and driving to form vehicles with advanced technical principles, new technologies, and new structures. The maintenance methods for new energy vehicles include: 1. Inspecting paint damage, light functions, wiper blade aging, tire wear, and tire pressure; 2. Replacing the air filter; 3. Checking and replenishing coolant, brake fluid, and windshield washer fluid; 4. Inspecting the power system's plug connections and the insulation protection of the wiring.
As an electric vehicle owner who has been driving a pure electric car for five years, I feel the battery lifespan is actually quite good. Mainstream lithium batteries from brands like Tesla or BYD are claimed by manufacturers to last 8 to 10 years, corresponding to 100,000 to 200,000 kilometers of driving. Battery degradation is gradual—capacity loss is slow in the first few years, but after eight years, it might retain only about 70% of its original capacity. Many factors affect this: charging habits are crucial—avoid frequently charging to 100% or discharging to zero; keeping the battery between 20% and 80% is safest to reduce deep cycles. Also, avoid parking in direct sunlight during hot weather, as high temperatures accelerate aging. In practical use, if you commute dozens of kilometers daily, the battery can easily last over a decade; if driven less, it’ll last even longer. The warranty typically covers 8 years or 160,000 kilometers—check your warranty terms and contact the manufacturer if issues arise. Overall, with proper maintenance, an EV battery can serve you well for many years, saving fuel costs while being eco-friendly and economical.
