Specifications: Battery Type: Li-Polymer Voltage: 11.4V Capacity: 56Wh ; Cells: 3-cell; Color: Black Condition: Brand New; Life span: About 500 discharge per charge cycles. Compatible Part Number: PK03XL 789116-005 PK03056XL-PL 788237-2C1 788237-2C3 HSTNN-DB6S TPN-Q157;PK03XL Rechargeable battery for HP Spectre X360 13-4000 13-4100 13-4200 13T-4000 13T-4100 13T-4200 series;Spectre Pro X360 G1 G2 series; for HP envy x360 convertible 13-y0xx 13-y013cl 13-y023cl 13-y034cl 13-y044cl 13-y084cl 13-y094cl 13t-y000 13-y073nr 15-ay034tu 15-ay035tu Compatible Models: PK03XL Battery for HP Spectre X360 13-4001dx 13-4002dx 13-4003dx 13-4005dx 13-4013dx 13-4105dx 13-4101dx 13-4102dx 13-4110dx 13-4116dx 13-4193dx 13-4194dx 13-4195dx 13-4196dx 13-4197dx 13-4120ca 13-4050ca 13-4128ca 13-4130ca 13-4150ca 13-4158ca 13-4118nr 13-4163nr 13-4165nr 13-4166nr 13-4183nr 13-4125nr 13-4185nr 13-4193nr 13-4195nr 13-4104na 13-4129na