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Electric cars are propelled with a very sophisticated and high-tech lithium battery system. But did you know that even with this new technology, electric cars still use a 12-volt lead-acid battery to power key equipment and features when you enter the car? What Does a 12-volt Battery Do in an EV?
Your electric car or plug-in hybrid is propelled by a sophisticated lithium-ion battery, but you'll probably also find a lead-acid 12-volt battery in there somewhere. Don't throw away your jumper cables just yet. Year by year, lithium-ion battery technology improves, and EV range and performance leap forward.
An electric vehicle battery is a rechargeable battery used to power the electric motors of a battery electric vehicle (BEV) or hybrid electric vehicle (HEV). They are typically lithium-ion batteries that are designed for high power-to-weight ratio and energy density.
Along with lead-acid battery designs, the industry is starting to see manufacturers introduce lithium-ion 12-volt batteries into electric cars. There are phenomenal benefits in li-ion technology including an immense weight reduction over lead-acid battery designs as well as higher capacity in the same physical size.
Electric vehicles don't have a motor, so there's nothing to spin the alternator and charge a 12V battery. Instead, many EVs use a DC-to-DC converter that sends power from the high-voltage system to the smaller 12V battery system when necessary. Then, that regular car battery is always charged up and ready to unlock your doors and do its job.
While electric cars have huge lithium-ion battery packs to turn the wheels, a regular 12V lead-acid battery handles everything else. At least for now. Your fancy new electric vehicle or PHEV (plug-in hybrid electric vehicle) runs on massive lithium-ion battery packs and electric motors.
If electric vehicles (EVs) use high-voltage lithium-ion batteries, why do they still carry a 12-volt lead acid battery? Read more at straitstimes .
In conclusion, electric cars continue to use 12-volt batteries due to their compatibility with traditional automotive systems, proven reliability, cost-effectiveness, functioning as an auxiliary …
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Discover the reason why new electric vehicles like Tesla and Fisker still use a 12-volt lead-acid battery to power many of the vehicles'' electrical features.