Battery lockout override logic for a battery management system

A method of deactivating battery override logic for a battery management system to shut down a power path to a battery pack, comprising:

• determining if battery override logic has been on for more than a predetermined amount of time, or determining if discharge current is more than a predetermined value, or determining if charge current is more than a predetermined value;
• and
• turning off the contactor to shut down the power path to the battery pack if any one of the three determinations has been met,
• wherein the predetermined amount of time allows the battery pack to provide enough power to operate a piece of equipment for the predetermined amount of time to allow the piece of equipment to be moved to a safe location or battery charging area.

A battery management system for activating battery override logic to provide a power path to a battery pack, wherein the battery management system comprises:

• override control logic configured to:
• detect a predetermined key toggle sequence or detect an override message received from a CAN bus;
• determine that the last override turn-on sequence was requested more than a predetermined amount of time ago;
• and
• confirm that the override is configured for a contactor;
• and
• a battery pack operably coupled to the contactor, wherein when the override control logic is configured for the contactor, the contactor is configured to provide a power path to the battery pack for a limited predetermined amount of time, wherein configuring the contactor to provide a power path to the battery pack for a limited predetermined amount of time, provides enough power to operate a piece of equipment for a limited predetermined amount of time to allow the piece of equipment to be moved to a safe location or battery charging area.