Keyboard Replacement Battery for Microsoft Surface Book 13.5" (Book 1 & Book 2) — Compatible with G3HTA024H G3HTA023H G3HTA021H G3HTA048H

Replacement keyboard battery compatible with Microsoft Surface Book 1 13.5" and Surface Book 2 13.5". This unit is designed as a direct replacement for the keyboard-dock battery and matches the following part numbers: G3HTA024H, G3HTA023H, G3HTA021H, G3HTA048H. Ideal for swapping out a worn or non-functioning keyboard battery—confirm your device model and part number before ordering to ensure compatibility.