Kit 4-Cell 55WHr Battery

Dell 451-BBSY is a primary lithium-ion battery for compatible Dell notebooks. Its 55 WHr capacity and 4-cell configuration identify the version for portable computer use. The exact part number distinguishes it from other Dell battery variants.

Dell lists Latitude E7270 and Latitude E7470 as compatible systems. The battery powers these notebooks away from a fixed outlet, supporting mobile tasks such as document editing and browsing. Compatibility is specified for these two Latitude models.

This part is intended for replacing a battery in a listed notebook or maintaining a compatible system with its designated battery type. Its primary notebook-battery design and lithium-ion chemistry identify its role, while the capacity and cell count describe this confirmed Dell variant.