Here is the power consumption of a full option seq v4 (AOUTNG + gates + Sync24 + IIC x4 + Eth + SDCARD) :
300 mA while booting
320 mA in Idle (waiting)
360 mA while running on all its outputs
Powered by a 9v wallmart unregulated (Novation)
Luminance on LCD isn’t full btw