Product details
The HP WP03XL (aka WP03038XL / WP03051XL, OEM: M73468‑005, M73466‑005, HSTNN‑OB2J, HSTNN‑LB8W, L78555‑005) is a 3‑cell, Li‑Ion/Polymer battery operating at 11.58 V and available in two capacity options (~38 Wh and ~51 Wh). It’s designed for several high-end HP EliteBook, x360, Split X2, and ZBook Firefly models.
Compatible HP Models
EliteBook & EliteBook x360 (G9/G10)
- EliteBook 830 G9 / G10
- EliteBook 835 G9 / G10
- EliteBook 840 G9 / G10
- EliteBook 845 G9 / G10
- EliteBook 860 G9 / G10
- EliteBook 865 G9 / G10
- EliteBook x360 1040 G9 / G10
- EliteBook x360 830 G9 (and likely G11)
- ZBook Firefly 14 G9 / G10 mobile workstations
- HP Split X2 13
- HP Split X2 13‑M000 series detachable
⚡ Specifications & Part Numbers
| Spec | Details |
| Voltage | ~11.58 V |
| Cell Count | 3‑cell |
| Capacity Options | 38 Wh (~3,150 mAh) or 51.3 Wh (~4,249 mAh) |
| OEM Numbers | WP03XL, WP03038XL, WP03051XL, M73468‑005, M73466‑005, HSTNN‑LB8W, HSTNN‑OB2J, L78555‑005 |
The HP WP03XL battery fits these HP machines:
- EliteBook 830, 835, 840, 845, 860, 865 (G9 & G10 generations)
- EliteBook x360 830 & 1040 (G9 & G10)
- ZBook Firefly 14 G9/G10
- HP Split X2 13-M000 detachable
If your HP device is among these, and your old battery matches one of the OEM numbers, WP03XL is the correct replacement.
