Super Power Supply DC Laptop Car Adapter Charger Cord with USB charging port for Dell Inspiron 7737 I7537t I7737 I15rv I17rv; 11 3000 3135 3137; 14-3421 14r-5421; 15-3521 7537; 15r-5521 5537 7000; 17-3721 3737 7000; 17r-5721; 14z I14r I14rn I14z I14rmt I15rm I15rmt I15n I15rvt I15z I15zt I17rm Notebook Netbook Battery Plug Input: 110-220V Output: 19.5V 4.62A Warranty: 1 Year Super Power Supply are manufactured and tested to match or exceed OEM products. Trademarked by Super Power Supply. Sold exclusively by Super Power Supply