Replaces OEM # M73472-005, M64307-2C1, M64307-171, TPN-IB0A, RH03XL, RH03051XL Fits: HP ELITEBOOK 630 G9, 630 G10, 640 G9, 645 G10, 645 G9, 645 G10, 650 G9, 650 G10, 655 G9, 655 G10, 850 G8; PROBOOK 440 G9, 440 G10, 445 G9, 445 G10, 450 G9, 450 G10 Specs: 11.58V, 51.3WHR, 4249MAH, 3 CELL Brand New GreenTech replacement battery - 6 Month Replacement Warranty Each product has undergone rigorous testing to ensure the correct voltage, circuit protection, stable current, low self-discharge and CE / FCC / RoHS Certified for safety