A 6-cell 11.1V 58Wh 5200mAh laptop battery for the Dell Latitude E6420 is a high-capacity, lithium-ion battery
It's compatible with the Dell Latitude E6420 and other related Dell models, including the E5420, E5520, E5530, and E6520. The battery offers a voltage of 11.1V and a capacity of 5200mAh, which translates to 58Wh of energy storage.