Restore Screen Power: G3HTA020H DAK822470K Screen Battery for Surface Book 1 & 2 13 inch Is your Microsoft Surface Book 1 or 2 13-inch tablet screen failing to hold a charge, or cant you use the tablet mode independently? This 100% brand-new screen-side battery is tailored to replace the worn-out battery of your device. Made with Grade A cells and certified by CE, RoHS, and FCC, it delivers stable power and is backed by a 12-month warranty, letting you use it without worries.