Two items in Australia. $4,500 for jack, $850 power supply, or offers for both.
1/. Heavy duty Beech jack suits Barons, Bonanzas and some other Beech models. Has castoring wheels, adjustable mounting points and screw down legs to provide solid floor contact. Makes for easy single person operation to accomplish gear swings and general maintenance.
2/. A custom made 40 amp 28V power supply with fine adjustable voltage to mimic your exact in service aircraft voltage. Built by the aircraft electrics experts D.C. Roberts of Sydney. It’s recommended to have at least 35amp cabability in order to properly rig your landing gear. Runs of the standard 240V domestic supply.