NCC Verified leisure batteries are tested by the manufacturer and verified by the NCC taking into account their minimum capacity minimum and their minimum life cycles at 50% depth of discharge, into 1 of 3 classes.
The NCC testing class is intended to provide a starting point and not to be a substitute for expert advice based on the circumstances of an individual consumer.
Note - Lithium batteries are displayed with (Lith) after the name in the reports via the links