Use this cable set for the use of lead, AGM or LFP batteries with your Cruise 10.0; Compatible with all Cruise 10.0 models up to and including model year 2020 (serial number up to 20xxxxxxxxxxx-xx-x); Use cable set 1979-00 for Cruise 10.0 from model year 2021 (serial number from 21xxxxxxxxx-xx-x)