Compatible with Dell 130W AC Adapter:DC-Output: 19.5V-6.67A-130W Input: 100-240V-50/60HZ. DC Connecter size: 4.5*3.0mm; Not a usb interface.Please Check Compatible with Dell XPS 15 Charger Model:Compatible with Dell XPS 15 9530 9550 9560 9570 7590;Fits For Dell Precision M2800 M3800 5510 5520 5530 5540 Replacement For 130W Charger:Compatible with Dell for insprion 14 16 Plus 7640 7620 7630 7420 7430 7510,for insprion 14 16 5420 5425 5430 Business Laptop Safety:130W port output up to 130W power delivery enables fast and efficient charging of compatible devices;Multi-protection;Over voltage protection;Short circuit protection Warranty and Customer Service:Our Fit for 130w laptop charger are 30 days free refund or replacement,12 months warranty