SPS-BATT 4C 54WH 3.54AH LI HK04054XL-PL

The HP L82391-007 is a four-cell lithium-ion replacement battery for selected HP laptops. It is also identified as model HK04XL and designation HK04054XL-PL; these refer to the same replacement part.

Its stated energy capacity is 54Wh, with a charge capacity of 3.54Ah. These figures describe the battery’s stored energy and electrical charge capacity. Its four-cell design and lithium-ion chemistry are confirmed specifications.

This battery is intended for select HP laptops where L82391-007 is specified. No detailed laptop model list or additional accessories are identified. It can restore battery power to a compatible HP laptop for mobile use or work away from a mains outlet.