42Wh 3-cell Lithium Ion

Dell JCFJJ is a 3-cell lithium-ion replacement battery for a laptop, rated at 42 Wh. Its Dell OEM part reference is 27W58, also shown in the catalogue as 027W58.

For part 27W58, Dell specifies 11.4 V and 3500 mAh. It is listed as compatible with Latitude 5400, Latitude 5400 Chromebook, Latitude 5410, Latitude 5500, Latitude 5510, Precision 3540 and Precision 3550, providing portable power for these laptop models.