HP L3L57AV is a Long Life battery for a laptop, with three cells and an energy capacity of 44 Wh. These details help distinguish the battery when checking a replacement for a compatible notebook.
HP lists this part number as a battery option for the EliteBook 820 G3, which provides a specific model reference when identifying it within the HP notebook range. The listed information covers the battery type, cell count and capacity; connector details and package contents are not specified.