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1206.2.10 Storage Batteries and Equipment
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Storage batteries and battery storage systems shall comply with the following:
- Storage batteries shall be listed in accordance with UL 1973.
- Prepackaged and preengineered stationary storage battery systems shall be listed in accordance with UL 9540.
Exception: Lead-acid batteries are not required to be listed.
Prepackaged and preengineered stationary storage battery systems shall be installed in accordance with their listing and the manufacturer's instructions.
An approved energy management system shall be provided for battery technologies other than lead-acid and nickel cadmium for monitoring and balancing cell voltages, currents and temperatures within the manufacturer's specifications. The system shall transmit an alarm signal to an approved location if potentially hazardous temperatures or other conditions such as short circuits, over voltage or under voltage are detected.
Battery chargers shall be compatible with the battery chemistry and the manufacturer's electrical ratings and charging specifications. Battery chargers shall be listed and labeled in accordance with UL 1564 or provided as part of a listed preengineered or prepackaged stationary storage battery system.
Vented batteries shall be provided with flame-arresting safety caps.
Where required by Section 1206.2.12, storage batteries shall be provided with a listed device or other approved method to prevent, detect and control thermal runaway.