ELI5: What to look for when buying an EV conversion?

Background: I'm somewhat familiar with cars in general, but know almost nothing about EV conversions.

I'm thinking about purchasing this 1991Suzuki Sidekick that the seller has fully converted to electric.

What are red flags I should look out for when test driving / considering buying?

If I do decide to buy it, what are some of the more common problems / maintenance to think about?

TYIA! Pictures included.

Gallery:

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Originally posted on r/EVConversion — View discussion