Warranty:Rest assured with 60 days Refund and 12 months Replacement,also get our friendly customer service;Note: The return window will be closed a month after you PK03XL Laptop Battery, If you have any problem with PK03XL Battery ,please Contact us - in "YOUR ORDER" options click the "contact seller" Compatible Part Number: PK03XL PK03056XL-PL 788237-2C1 788237-2c3 789116-005 HSTNN-DB6S TPN-Q157 Compatible Models for HP Spectre Pro X360 G1 Spectre Pro x360 G2,Spectre X360 13T-4000 13T-4100 13T-4200 Envy X360 Convertible 13-Y013CL 13-Y023CL 13-Y034CL 13-Y044CL 13-Y084CL 13-Y094CL 13T-Y000 13-y073nr 15-ay034TU 15-ay035TU;Spectre X360 13-4001DX 13-4002DX 13-4003DX 13-4005DX 13-4013DX 13-4101DX 13-4102DX 13-4110DX 13-4116DX 13-4193DX 13-4194DX 13-4195DX 13-4196DX 13-4197DX 13-4010CA 13-4020CA 13-4021CA 13-4030CA 13-4120CA 13-4050CA 13-4128CA 13-4130CA 13-4150CA Compatible for HP Spectre Pro X360 13-4158CA 13-4118NR 13-4163NR 13-4165NR 13-4166NR