The Dell 451-BBXX is an internal replacement battery for compatible Dell laptops. Its four-cell Li-Polymer design has a stated capacity of 68 Wh and an output voltage of 7.6 V. ExpressCharge capability is also specified for this part.
Suitable models listed include Dell Latitude 14 (5480), Latitude 15 (5580), Latitude 15 (5590), Latitude 14 (5490), Latitude 12 (5290), Latitude 14 (5495), Latitude 15 (5591), Precision 15 (3520) and Precision 15 (3530). Check the configuration for Latitude 15 (5580): this battery is suitable with an M.2 SSD, but not with a 2.5-inch hard disk. It fits inside the compatible laptop as its internal battery.
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