This high quality Total Micro 3-Cell 45WHr 11.4V battery meets or exceeds OEM specs and is for the HP ProBook 440 G8, 445 G8, 450 G8, 455 G8, 630 G8, 640 G8, 650 G8. One year limited warranty. Eqv RH03045XL-PL, RH03XL, 2M023AV