BTRY PRI 51WHR 3C LITH BYD

The Dell 4YFVG is a replacement lithium-ion battery for compatible Dell notebooks, providing an option when replacing the battery in a supported system. Its manufacturer part number is 4YFVG, and its Dell part number is 451-BBZT.

The battery has a 3-cell design and a stated capacity of 51 Wh. Dell lists Latitude 5280, 5290, 5480, 5490, 5491, 5495, 5580, 5590 and 5591, plus Precision 3530, as compatible models.