The 12V Adapter Plug with Battery Clamps connects directly to your battery with integrated battery clamps. Easily power your favorite 12V devices directly from your battery, including a tire inflator, vacuum, coffee maker, fan, cooler, and more. It features fused connections for increased safety and a water-resistant cap to protect the 12V female plug socket from the elements. Made from a high-conductivity copper wire with a rated capacity of 15 amps. Molded reliefs prevent unwanted strain on the wire connections.