HP BM04XL is a replacement laptop battery listed for HP EliteBook computers. Its 56.2 Wh energy capacity, 7.7 V voltage and 4-cell configuration identify this variant for checking against a compatible laptop.
The compatible part numbers listed are BM04056XL, L02031-241 and HSTNN-DB8L. Use these references to help identify the replacement for a corresponding EliteBook configuration. The battery is described as black and provides battery power to a compatible laptop.