SPECIFICATION Type: PK03XL Rechargeable battery, Rating: 11.4V, Capacity: 56WH, Battery type: A+ 3-Cell / Lithium-ion, 100% brand new, Black with two Free Screwdrivers for easy installation. Grade A cells ensure fast charges and low power consumption. COMPATIBLE MODELS for HP Spectre Pro X360 G1 G2, Spectre X360 13T-4000 13T-4100 13T-4200 13-4000 13-4100 13-4200 13-4001dx 13-4002dx 13-4003dx 13-4005dx 13-4013dx 13-4100dx 13-4101dx 13- 4102dx 13-4103dx 13-4105dx 13-4110dx 13-4116dx 13-4125nr 13-4193dx 13-4194dx 13-4195dx 13-4196dx 13-4197dx 13-4010ca 13-4020ca 13-4021ca 13-4030ca 13-4000nc 13-4000nw 13-4000nf 13-4006tu.