Lion Electric announces successful final certification of its LionBattery HD battery pack. (CNW Group/The Lion Electric Co.) Lion Electric announces successful final certification of its LionBattery HD battery pack. (CNW Group/The Lion Electric Co.) Lion had previously announced in December 2023 the certification of its medium-duty ("MD") battery pack, the LionBattery MD pack, specially designed for the company's medium-duty trucks and school buses. The LionBattery HD and MD packs are manufactured at Lion's ...