The Lenovo 5B11K38528 is a replacement battery for select Lenovo laptops. It is identified as battery model L22D4PA0, a designation linked to this exact part number in the distributor listing.
Its 4-cell configuration and 60Wh energy capacity describe the battery’s size and stored energy. The listed voltage is 15.44V, useful details to check when identifying a replacement.
The listing does not name compatible laptop models, so confirm compatibility for your specific Lenovo laptop before choosing this part.