No, it won't make sense from a practical standpoint, only for the doing of it. People have been hacking the Ford Ranger EVs for 20 years now (the ones that weren't taken back and crushed, that is) and they've proven to be good long-running vehicles. But that's because there haven't been any EV...
I don't know how well the internal systems of the Focus are documented, but with my older Ford Ranger you have to work around the existing BCM and charging systems when adding new batteries. That hasn't prevented us from replacing the old NiMH pack with Lithium cells of varying capacities, but...
Hi -
A number of years ago I came across a FFE battery pack from a Focus that was sacrificed as part of the the crash testing process.
I put it into a Ford Ranger Electric EV and have been happily driving ever since.
But now I have a module that's going bad. I need to find a replacement...