GL-M2 Dev Board power voltage

I’ve just received a GL-M2 dev board which I’ll be using off-grid (with my GL-AXT1800). My house battey voltage will range from abound 11.2V-14.7V, depending if its charging. The GL-M2’s datasheet indicates 12V/1.5A… does it have the leeway to accept my house battery’s 11.2V-14.7V, or should I use a regulator to ensure exactly 12V?

The M2 can use voltages from 5.5-17V and does not require the use of a regulator to ensure a voltage at 12V.

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