The Lenovo 5B11N45419 is a replacement laptop battery, identified in Lenovo documentation as model L22M4PC0. It is intended for a laptop designed for this part, and the source does not name compatible laptop models.
Its 15.44 V voltage rating and 80 Wh energy rating describe its electrical specifications and stored energy. The listed weight is 341 g. These details help identify the battery and check it against the part required by a compatible laptop.
This specific model reference and its ratings are provided for replacing battery power in a suitable laptop.