11/23/2023 0 Comments Lithium car battery replacement![]() ![]() The best advice: make sure if you’re purchasing or leasing an EV that it has all the range you will need to begin with, taking into account some battery degradation during the time that you drive it.Īre electric car batteries covered by warranty? It’s possible that battery ‘upgrades’ haven’t become more widespread for this reason. Although it would technically fit inside an older version of the Model S, it would require structural reinforcements and could change the dynamics of the vehicle structure during a crash, which could negatively impact passenger safety. The new 100kWh battery (actually 103.8kWh) is considerably heavier than the 90kWh pack. Nevertheless, retrofitting can present its own issues. Tesla has also suggested that the more recent 90kWh battery used in the Tesla Model S would be an ideal replacement for owners of the original 40, 60, 70,75, and 85 kWh versions who are looking for some extra range. In 2015, owners of the original Tesla Roadster were briefly offered the opportunity to upgrade, or retrofit, an 80kWh battery. This isn’t something that manufacturers typically offer, though battery pack upgrades have been offered by Tesla in the past. In the unfortunate event of your battery catching fire, It’s likely that you’ll need a new car rather than just a replacement battery.Ĭan I upgrade the battery pack on my electric car? Unfortunately, EV battery fires are incredibly difficult to extinguish. However, a recent study has shown that the number of electric cars that set alight (per 100,000 sold) is dwarfed by the number of petrol, diesel or hybrid cars that catch fire. The Hyundai Kona Electric has been recalled in the past because of fire-related risks when charging. That’s not to say that electric car batteries haven’t had their share of issues. There’s been a lot of misinformation when it comes to the combustibility of electric car batteries. Driving in high temperatures, or at high speeds with little urban driving can also temporarily reduce range. If your range appears to be much less than what the manufacturer advertised, this doesn’t necessarily mean that it has a low SOH. Lithium-ion batteries can be damaged by high temperatures, and deep discharging (from 100% to 0%) on a regular basis. These can degrade when Lithium ions are lost through side reactions with the electrolyte, reducing the number of lithium ions that can move between electrodes when you charge and discharge.Ī number of factors can affect the rate at which degradation occurs. Lithium-ion batteries are the most popular type of EV battery. A 100kWH battery with 90% SOH would behave like a 90kWh battery, offering roughly 10% less range. We refer to the difference between the battery’s maximum capacity at production and its current capacity as its State of Health (SOH). The main issue with batteries is that they lose capacity over time, through battery degradation. So, EV batteries are already pretty durable - but why is it that they eventually stop working? What can go wrong with an electric car battery? ![]()
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