Replaces OEM # G3HTA057H Fits: MICROSOFT SURFACE LAPTOP 3 15" Intel Core, MICROSOFT SURFACE LAPTOP 3 15" AMD Ryzen, MICROSOFT SURFACE LAPTOP 4 15" Metal, MICROSOFT SURFACE LAPTOP 15 1872, MICROSOFT SURFACE LAPTOP 15 1873 Specs: 7.58V, 45.8WHR, 6041MAH, 6 CELL Brand New GreenTech replacement battery - 6 Month Replacement Warranty Each products has undergone rigorous testing to ensure the correct voltage, circuit protection, stable current, low self-discharge and CE / FCC / RoHS Certified for safety