GSM 1400 Vin Conflicting Answers

I am trying to use the GSM 1400 without USB power. This thread has conflicting answers from the Arduino team about the rating for Vin MKR 1400 Max VIN voltage?. Why is there conflicting answers? Can I use a 12V Vin for the MKR GSM 1400? Thank you.

The BQ24195L regulator they used is rated for 3.9 - 17V input. Without knowing the exact parts etc they used I cannot make an intelligent guess for the input range. The regulator has the system load which uses part of its capacity. You need to check their website, I could not find the input voltage range.

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