battery light was on, car died couldnt start, had it jump started car started, 10 kms later car looses power, all gauges going haywire car dies jump started again.
There ya go, you answered your own question. The serpentine belt broke and wrapped itself around the pulleys. You will lose power when the happens as the belt drives your alternator, and other accessories. So removal and replacement is your only option. How you didn't damage any other component in the process. The serpentine belt should be changed every 60K or when cracking or wear is detected.
Fairly easy fix. Get you a new serpentine belt installed. I would also have battery fully charged while you are waiting. This will keep from putting unnecessary load on alternator when you get new belt on.
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