this post was submitted on 18 Aug 2023
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Not a solar one like the thing pictured, LOL. There simply isn't enough W/m^2^ for solar panels to power anything less light and spartan than a World Solar Challenge car.
Aside from that, the cheapest way to build a custom [battery, not solar] electric car is probably to salvage parts off a wrecked commercially-built electric car.
I'm a fan of Aging Wheels and SuperfastMatt on Youtube, both of whom are building custom EVs from used Tesla parts.
I know they wouldn't run the can but don't they add a bit of range ?
If it were worth it, commercial electric cars would be festooned with solar panels. They aren't. (I think there might be one EV that has a solar panel embedded in its roof, but it's just a gimmick.)
In other words, no: the amount of range solar panels could add to a two-ton electric car with performance and comfort up to the standard expected of a modern car is basically negligible.
Frankly, if you really want solar, you should be thinking more in terms of an electric bicycle towing a trailer with a solar panel on it. And even then you're still probably talking about merely extending range, not being able to travel all day without having to pedal.
Thanks. In hindsight , It does make sense since 1m² at best can output 300w/h.