SKO-BATT 3C 56WH 4.85AH LI CC03056XL-PL

The HP L77991-002 is a lithium-ion battery for HP laptops, also identified as CC03XL and CC03056XL-PL. These codes help identify the exact battery version when selecting a replacement.

Its 3 cells provide a stated energy capacity of 56Wh and a charge capacity of 4.85Ah; the listed voltage is 11.55V. Together, these specifications describe its electrical format as a laptop power source.

This is the 56Wh CC03056XL version, distinct from the 53Wh CC03053XL version. The listing states they are not interchangeable, so checking the codes helps distinguish this part from that nearby variant.

For laptop service or repair, L77991-002 is the specific HP battery part to identify. Its model codes and electrical specifications can help document which battery version is being replaced.