HP ZBook 17 G5 Replacement Battery 11.55V 8200mAh AM06095XL

HP ZBook 17 G5 — 11.55V Li-ion Replacement Battery (AM06095XL)

This is an 11.55V, 8200mAh (94.71Wh) Li-ion battery for the HP ZBook 17 G5 mobile workstation. It fits the ZBook 17 G5 series including models 2ZC53EA, 2ZC46EA, and 4QH17EA, among others. OEM part numbers covered include AM06XL, HSN-Q12C, HSTNN-IB8G, L07044-855, and L07350-1C1.

• ZBook 17 G5 platform fit: These models share a common battery bay geometry, three-cell connector pinout, and the same BMS handshake protocol with HP's embedded controller. Swapping between listed variants does not require firmware changes — the EC negotiates directly with the cell pack over the SMBus line.
• Bench tested on actual hardware: We ran this cell through charge and discharge cycles on a ZBook 17 G5 unit. The BMS reported charge state correctly after two calibration cycles, and the protection circuit responded to overcurrent and thermal events within spec — no false cutoffs under sustained Xeon load with display at full brightness.
• First-cycle calibration on the ZBook 17 G5: After install, run the workstation down to hibernate-cutoff on battery only — no AC during discharge — then charge uninterrupted to 100%. This forces the BIOS battery learn cycle to reset against the new cell's actual capacity curve and clears the false health warning that appears after every cell swap.

BIOS reporting battery health as poor immediately after replacement

The ZBook 17 G5 BIOS reads battery health data from EEPROM registers stored on the old cell pack. When a new cell is installed, those registers don't match the freshly rated chemistry, so the BIOS flags the battery as degraded even though the cell is brand new. This is not a fault with the replacement — it's a calibration mismatch. Run one full discharge-to-hibernate then charge to 100% uninterrupted. After two complete cycles, the fuel gauge IC recalibrates and the BIOS health warning clears.

Workstation shutting down at 20–30% charge shown on screen

This happens when the fuel gauge IC has not yet mapped the new cell's voltage-to-capacity curve. Under full CPU and display load, the ZBook 17 G5 draws enough current to expose the voltage cliff — the cell voltage drops faster than the old curve predicts, and the system interprets it as empty. The fix is completing two or three full discharge and charge cycles without interruption. After calibration, the OS gauge tracks the new cell accurately and unexpected shutdowns stop above 10V under load.