Seriously Suzi's dual battery system is a combination of a battery tray, battery, battery manager, cable kit, sockets & fuses, which can be tailored to suit your vehicle and individual needs.
While you're at it, add a Piranha automatic electronic battery manager, which ensures reliability of your dual battery system.
Contact Seriously Suzi for further details.
From $165 (pricing correct at time of posting - 8/9/13)
Ph: 03 9762 1200