The HD Power Socket is ideal for use with our 24-12 volt converters to enable direct access to 12 volt power in a 24 volt vehicle. These sockets (4 to a vehicle) have been installed as a kit with our converters on HMMWVs and other LAVs in Iraq to power Laptops, GPS units, and searchlights. They have performed excellently. Additional Details ------------------------------ Product description: The HD Power Socket is ideal for use with our 24-12 volt converters to enable direct access to 12 volt power in a 24 volt vehicle. These sockets (4 to a vehicle) have been installed as a kit with our converters on HMMWVs and other LAVs in Iraq to power Laptops, GPS units, and searchlights. They have performed excellently.