Bitfields for Smart Battery specification information:
Bit(s)	Description	)
 3-0	SmartBattery specification minor revision number
 7-4	SmartBattery specification version number
 11-8	voltage scaling (0-3, multiply voltages by 10^scale)
 15-12	current scaling (0-3, multiply currents by 10^scale)
SeeAlso: #00488,#00490