The CPUDC1U2000 Universal Power Adapter with USB 2.1 Quick Charge Technology can be used as a replacement or spare DC power adapter for electronics such portable DVD players and other A/V products, tablets, and many other electronic devices. The CPUDC1U2000 with 2000mA supports voltages of 3V, 4.5V, 6V, 9V, and 12V with both positive and negative polarity settings. Seven (7) adapter tips assure compatibility with most popular electronics. The CPUDC1U2000's convenient DC plug can be used with a DC power port (cigarette lighter outlet) in a car, boat, or other vehicles with a port. The 5FT cord provides flexibility in where you operate your electronic equipment.