EXP-1000HD instrument capable of testing every component of the electrical system with unparalleled precision, from the battery to the starting system and the alternator. Testing capacity from 100 to 3000 EN on all types of 12V lead-acid batteries, with complete analysis of 12V and 24V starting and charging systems. This version was developed specifically for the world of heavy transport with 24V systems and incorporates various functions for the diagnosis of multiple batteries.