Battery 4 Cell 54Wh 3.54Ah

The HP HK04XL is a lithium-ion replacement battery for select HP laptops. This is the HK04054XL-PL variant, listed with HP spare part number L82391-006.

Its four cells provide a 54Wh energy capacity and 3.54Ah charge capacity, with a listed voltage of 7.7V. These specifications help identify the battery when checking whether it suits a supported system.

It is intended for compatible HP laptops; the listing does not name specific models.