A new member of Changer and Tester serise have born. It is CAT-300. Like CAT-100 and CAT-200, CAT-300 can test your car battery health as well. Different from CAT-100, CAT-200 and CAT-900, this new product CAT-300 have color LCD display. The most important feature is that CAT-300 have 14.4/14.7V 15V...