2 4 24 months warranty: We are confident in our products to offer you a refund or exchange within 24 months without hesitation; If you have any questions, please feel free to contact us, we will serve you 7*24h. Compatible with Dell Computer Charger:Dell Latitude 3400,3500,5289 2-in-1,5300,5300 2-In-1,5300 2-in-1 Chrome,5310,5310 2-in-1,5320 2-in-1,5330,5400,5400 Chrome,5401,5410,5411,5420,5421,5430,5431,5500,5501,5510,5511,5520,5521,5530,5531,7300,7310,7320 2-in-1,7330,7389 2-in-1,7390 2-in-1,7400,7400 2-In-1,7410 2-in-1,7420 2-in-1,7430,7520,7530,9330,9410 2-in-1,9420 2-in-1,9430,9510,9520 2-in-1,Chromebook 14 7410 2-in-1. Compatible with Dell Laptop Charger:Dell XPS 12 9250, Dell XPS 13: 9350 9360 9365 9370 9380, Dell XPS 15: 9500 9510 9520 9530 9550, Dell XPS 17: 9700 9710 9720;Dell Precision 3470,3540,3541,3550,3560,3561,3570,3571,5470,5550,5560,5570,5750,5760,5770;Dell Inspiron 14 7000 (7420), Inspiron 16 7000 (7620) 2-in-1. Specifications:90W USB C charger for laptop Input: 100V-240V 1.5A 50-60Hz; Output: 5V/3A, 9V/3A, 15V/3A 20V/4.5A Power:90W; Connector Tip: Type-C / USB C Charger [Pay attention to the interface size].