It’s often said that one of the advantages of owning an electric vehicle is reduced maintenance costs, and for the most part, that’s true. That is, until the vehicle’s battery pack starts to show its age. Then you might be on the hook for a repair bill comparable to swapping out the engine on your old gas-burner. Depending on the age of the vehicle at that point, you might find yourself in the market for a new ride.
But in his latest video, [Daniel Öster] demonstrates that you can replace the battery in a modern electric vehicle without breaking the bank. While it’s not exactly an easy job, he manages to swap the pack in his 2012 Nissan LEAF from the comfort of his own garage using common tools and with the vehicle up on jack stands. The old battery wasn’t completely shot, so he was even able to recoup some of his costs by selling it; bringing the total price of the operation to approximately €2,122 ($2,500 USD).
While that wouldn’t be a bad deal even for a simple swap, the operation was actually an upgrade. The car was originally sold with a 24 kWh battery, but [Daniel] has replaced it with a 30 kWh pack intended for the 2017 LEAF. His car now has a greater range than it did the day it rolled off the assembly line, though as you might expect, the installation was more complex than it would have been with a contemporary battery.
[Daniel] has produced a kit that has all the adapters required to perform your own battery upgrade, including a module that translates the diagnostic signals from the newer battery into something the older vehicle can understand. With all the electrical bits simplified, all you’ve got to worry about is drilling the new battery mounting holes in the frame.
The battery pack is truly the heart and soul of an electric car, so its no surprise that mechanics and hackers alike are eager to learn as much about them as possible. They’ll have their work cut out for them, as the technology is only going to get more advanced with time.
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