I bought 2 of the ones you linked to. Took a week to come. Borrowed a hobbywing program box and flashed some software onto it. Not sure which version of software I ended up with.
Works absolutely fine (including before I flashed it) on a 13.5.
Bought 2 at that price in case 1 fried itself.
Worth a punt in a second car I think which is what I used it in
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