Six Ways to Extend EV Battery LifeMarch 14, 2020
Keep the battery of your electric vehicle in a comfortable temperature environment and do not rush to charge or discharge.
Our lives are increasingly filled with battery-powered devices, most of which now use lithium-ion batteries, including electric cars. Loss of capacity or the ability of the battery to hold a charge can have a significant impact on your driving behavior. Imagine that the gas in your car’s fuel tank is coming to an end.
After examining the research and battery usage and charging guidelines found in the BMW, Chevrolet, Ford, Fiat, Honda, Hyundai, Kia, Mercedes-Benz, Nissan and Tesla user guides, experts described how consumers can extend the life of lithium-ion batteries in cars in the future to minimize the impact of a discharged battery on lifestyle.
Firstly, it is necessary to minimize the effect of high temperatures when storing and using the EV battery – if possible, leave the electric car in the shade or connect it so that the battery temperature control system can function using the power system.
Minimize exposure to low temperatures. Again, the danger lies in the fact that at extremely low temperatures the electronics do not allow charging. If you can still connect the car to the network, the battery temperature control system can keep the battery in a comfortable state. Some electric cars automatically start the temperature control system, even without connecting it to the network, until the power drops to 15%.
Minimize the time spent on a 100 percent state of charge. Try not to waste time connecting every night. If your daily trips consume 30% of the battery, then for the battery it is better to use an average of 30% (for example, from 70 to 40%) than always use the upper 30%. Smart chargers will ultimately adapt to your calendar to anticipate daily needs and tailor the charging accordingly.
Minimize the time spent in a state of 0% charge. Battery management systems usually turn off the electric car long before the zero threshold is reached. The big danger is to leave the vehicle unplugged for so long that it can self-discharge to zero and remains in this state for a long period of time.
Do not use fast charging. Automakers know that one of the keys to mass adoption of electric vehicles is the ability to charge them as fast as filling up a gas tank, so they sometimes warn of the need to give preference to high-voltage DC charging. Indeed, fast charging is suitable for recharging during infrequent long trips or when an unexpected trip depletes your strategic 70 percent overnight spending. Do not make it a habit.
Try not to discharge faster than necessary, since each such charge speeds up the final death of your car battery. High discharge current amplifies volume changes and mechanical stresses that they cause during discharge.
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