Patented tester charging stand. The UltraDock is a sleek, low profile battery-charging stand conveniently designed for recharging the NiMH batteries used in the GemOro Testerossa and all third generation GemOro UltraTester 3, PRO-D 3 and PRO-M 3 testers. The attractive UltraDock may be securely placed on your showroom counter, showcase or desk with your tester inserted, so that the it is within easy reach, fully charged at all times and ready for cordless or fully portable use. The testers supplied multi-voltage 100-240V AC adaptor/charger is required to power this device.