This is an EV lead acid battery connecting wire. ●Usage: Designed for establishing secure electrical connections between lead-acid battery terminals in electric vehicles (EVs). ●Material: Features a pure copper wire core and a flame-retardant wire sheath, often made of PVC, for durability and resistance to high and low temperatures. ●Connectors: Equipped with round battery pins at both ends, insulated with red and black protective caps for polarity identification and safety. ●Design: The connectors have a waterproof and dustproof design.