About this item 100% Brand New, DC-Output: 19.5V-4.62A-90W Input: 100-240V - 2.5A 50/60 Hz DC Connector size: Internal Diameter: 5.0mm, External Diameter: 7.4mm. Be Careful!!! Check Connector Picture! Please Check Compatible with Inspiron 17R SE 7420 7720 15R SE 7520 15R 5521 14z 5423 N411z 14R 5420 5421 5437 Inspiron 3520 3531 3541 3542 3543 3721 5545 5547 5749 computer Notebook Laptop Charger, Compatible with Latitude D630 D830 5480 D820 D620 D610 D520 E4310 E4300 E5400 E5500 E5510 5591 Compatible P/N: PA10 PA-12 HH44H 928G4 DA65NS4-00 DA90PE1-00 FA90PE1-00 HA65NS5-00 LA65NS1-00 LA65NS2-01 LA90PM111 PA-1650-05D PA-1900-02D Power Supply Cord Safety and Reliability: This Laptop Charger has a built-in system that provides CE, FCC, ROHS for safe and protected charging. Dimensions: 6.6 x 5.1 x 1 inches.