I doubt you'll get 10+ hours on battery if you utilize it at max. I don't even know if it can really sustain the maximum load for more than a couple of minutes because of thermal or some other limits.
The 14" MBP has a 72 watt-hour battery and the 16" has a 100 watt-hour battery.
At full tilt an M3 Max will consume 50 to 75 watts, meaning you get 1 to 2 hours of runtime at best, if you use the thing full tilt.
That's the thing I find funny about the Apple Silicon MBP craze, sure they are efficient but if you use the thing as a workstation, battery life is still not good enough to really use unplugged.
Most claiming insane battery life are using the thing effectively as an information appliance or a media machine. At this game the PC laptops might not be as efficient but the runtime is not THAT different provided the same battery capacity.
