HP 717378-001 is a removable rechargeable battery for an HP notebook, identified in HP’s service guide by its spare part number. It is intended to replace a battery in a compatible notebook and can be removed through the service cover for replacement.
The battery uses Li-ion technology and has a 3-cell design. Its stated ratings are 46 Wh energy capacity and 4.15 Ah charge capacity, giving a clear reference for matching this particular battery variant.
The service guide lists a removal procedure and instructs that installation follows the reverse steps. The package contents are not specified in the cited documentation.