Throttling on battery is intentional as the battery would not last long at full tilt. Also we (ROG laptop owners) have speculated but not had confirmation by ASUS that our batteries are incapable of providing enough amperage to run the GPU at full speed. If true, overriding it would mean potentially damaging your battery.
As far as I've seen there is not a user accessible option anyway.
A bus station is where a bus stops. A train station is where a train stops. On my desk, I have a work station…