Heavy-duty vehicle battery suspension system comprising a pyrotechnical fastener

An electric heavy-duty vehicle comprising one of:

• a heavy-duty vehicle battery suspension system for releasably holding a rechargeable traction battery in an electric heavy-duty vehicle, wherein:
• the heavy-duty vehicle battery suspension system comprises a pyrotechnical fastener;
• the heavy-duty vehicle battery suspension system is configured to release the traction battery if the pyrotechnical fastener is triggered;
• and
• the heavy-duty vehicle battery suspension system is configured such that the pyrotechnical fastener may be manually triggered by an operator;
• and
• an electric heavy-duty vehicle energy supply system comprising the heavy-duty vehicle battery suspension system and a rechargeable traction battery.