Primary 3-cell 42W HR Battery

Dell 451-BBWS is a rechargeable lithium-ion battery for notebook computers, providing power when a supported notebook is away from a fixed connection. Its three-cell construction and 42 Wh energy capacity are specified for this battery.

The listed compatible models are Dell Latitude E7270 and Latitude E7470. Use these model references to check whether the battery is intended for your notebook. It is a replacement battery for the listed models, not a computer or charger.

The catalogue listing identifies the product as one battery for use in a compatible Dell notebook.