Replacement Battery TypeLi-ion;
Voltage: 11.36V;
Capacity: 62.2W h/5473mAh. ^^ Compatible P/NFor Microsoft G3HTA040H G3HTA041H G3HTA063H. ^^ Compatible ModelsFor Microsoft Surface BOOK 2 15 Inch KEYBOARD, Surface BOOK 2 15Inch KEYBOARD BASE, Surface BOOK 2 1793 KEYBOARD BASE ^^ DG QualityGrade A cells mitigate the risk of battery leakage and maximize output stability. Built-in circuit protection, enhances safety of usage and extends battery life. ^^ DG TIPSFor the initial installation, please reinstall and check the interface fully connected, discharge the battery to 5%(not to 0%) and then charge to 95%, and cycle 3-4 times.