This high quality Total Micro 3-Cell 56Wh 4800mAh battery meets or exceeds OEM specs and is for the HP EliteBook 755 G5, 850 G5, 850 G6, ZBook 15u G5, 15u G6. One year limited warranty. Eqv TT03XL, TT03056XL-PL, 933322-852-TM