BTRY PRI 42WHR 3C LITH SANYO

Dell 21X15 is a primary lithium-ion battery for the Latitude E7470, intended to power the laptop away from a mains connection. It is also identified by part number 021X15.

Rated at 42 Wh, this version uses three cells. Its listed description specifies lithium cells from Sanyo, helping distinguish it from other battery options for the series.

As a replacement part, it is suited to restoring battery operation in a Dell Latitude E7470 that needs a matching primary battery, for mobile use between locations or away from a fixed outlet.