Battery, 56WHR, 4 Cell,

Dell 4WN0Y is an internal notebook battery. It is listed for the Dell Latitude 13 (3310), so check the model when choosing a replacement.

Its lithium-polymer design has four cells and a stated energy capacity of 56 Wh. The charge capacity is 3500 mAh, with an output voltage of 15.2 V; these figures describe its electrical characteristics as a notebook power source.