DOT HS 812 418

This report summarizes an assessment of potential lithium-ion (Li-ion) battery vehicle safety issues to provide NHTSA information it can use to assess needs and prioritize its future research activities on Li-ion battery vehicles. This analysis is intended to assist NHTSA in identifying potential critical operational safety issues it may want to consider and in assessing if further testing is needed to evaluate safety concerns. This document is the comprehensive final report for the project, compiling and summarizing the key background information and assessment of results developed.