Bet he was ex-special forces who was as sober as a judge who only saw a slightly built Thai guy who needed a lesson in who not to mess with, no doubt when he gets out of hospital he'll have a good story of the Thai guy just got a lucky punch in.
Remember people no matter how hard you think you are there is always someone that's harder than you.
I'd get the battery checked first, sounds like a dodgy cell.
Then check the vehicles electrical system with a volt meter after 24/48hrs, if there is still a voltage drop you have a problem.
Yes, I've seen it, now you have a look at Putin's record of past deals,
here, https://edition.cnn.com/2025/02/27/politics/video/trump-putin-zelensky-russia-ukraine-war-burnett-ebof-digvid