INT 15 - HUNTER 16 - GET/SET BATTERY CAPACITY (APM)
	AH = 80h
	AL = function
	    00h get
		Return: AL = capacity (500mA + AL * 50mA, max 40 = 2500mA)
	    else set
		BL = battery capacity (same as AL above)
SeeAlso: AH=61h"HUNTER",AH=81h"HUNTER"