CWK Laptop Charger AC Adpater Power Supply Cord Plug for Dell Inspiron I7537t I7737 I15rv I17rv; 11 3000 3135 3137 (!NOT for new 2014 2-in-1!); 14-3421 14r-5421; 15-3521 7537; 15r-5521 5537 7000; 17-3721 3737 7000 7737; 17r-5721 14z I14r I14rn I14z I14rmt I15rm I15rmt I15n I15rvt I15z I17rm Input Volt Range: 100-240V (Worldwide Compliant) Output: 19.5V 4.62A 90W CWK AC Adapters manufactured with the highest quality materials. Built-in overload, over-voltage, and short circuit protection; 100% compatibility with the original. 90 Days Money Back Guarantee! Buy with confidence! Products trademarked CWK are marketed and sold exclusively by CWK TECHNOLOGY. We focus on providing quality power products and excellent customer service