Battery, 68WHR, 4 Cell,

Dell 0DEL7-KCM82 is an internal four-cell notebook battery for powering compatible laptops away from a mains outlet.

The black battery uses Li-Polymer technology and has a stated capacity of 68 Wh with a 7.6 V output. These details identify this capacity and cell-count variant.

It is listed for Dell Precision 3520 and 3530, Latitude 5480, 5580, 5590, 5490, 5290, 5495, 5591, and Latitude 5280/5288. For Latitude 5580, compatibility is limited to systems with an M.2 SSD; systems with a 2.5-inch hard disk are excluded.

As an internal replacement battery, it is intended for mobile work, study, and other use away from a fixed power source in the listed model families. Check the Latitude 5580 storage configuration against the stated limitation.