YTech 19.5V 4.62A 90W Laptop Ac Adapter Battery Charger Supply for Dell Precision M2400 M4400 M4500 Power Cord (12 months warranty) Output: 19.5V 4.62A 90W Input: AC100-240V (worldwide use)Connector:7.4mm*5.0mm,3 Prong Compatible Models :Dell Precision M2400 M4400 M4500 Power Cord Package: 1x Ac adapter & 1x Ac power cable Tested Units, Safety: CE-/FCC-/RoHS-Certified for safetyover voltage protection, short circuit protection, over current protection. made by professional factory directly,GDS- trademark quality protection. shipping from NY by USPS first class Features 100% Brand New Replacement AC ADAPTER Replacement,12 months warranty . 30 days money return guarantee,excellent service and 100% satisfactionplease rest assured purchase.