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 max output voltage. It will neet the requirement of faster charging.