HP EliteBook x360 1030 G2 OM03XL Replacement Battery 11.55V
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HP EliteBook x360 1030 G2 OM03XL Replacement Battery 11.55V - is backordered and will ship as soon as it is back in stock.
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Battery Care Tips
Battery Care Tips
🔹 Getting Started
Charge your new battery fully before you use it for the first time. Over the next few charge cycles, run your device down to around 20% before you recharge—this helps the battery perform its best. After that, charge whenever you need to.
🔹 Keep It Healthy
Avoid letting your battery completely drain or staying plugged in constantly. Both extremes wear it out faster. Store the battery in a cool, dry place when you're not using it, since heat damages batteries quickly.
Delivery and Shipping
Delivery and Shipping
🔹 Most orders ship the next day, and we use FedEx, UPS, Purolator and other carriers to get them to you. Lithium batteries have to ship by ground only, not air or USPS. Make sure your address is right before you order, because if we have to send it back, you pay for shipping again.
Disclaimer
Disclaimer
⚠️ Disclaimer: All product names, trademarks, and registered trademarks belong to their respective owners.
🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.
HP EliteBook x360 1030 G2 OM03XL Replacement Battery 11.55V - is backordered and will ship as soon as it is back in stock.
Voltage
11.55V
Amp
4900mAh
HP EliteBook x360 1030 G2 — 11.55V Li-Polymer Replacement Battery (OM03XL)
This is an 11.55V, 4900mAh (56.6Wh) Li-Polymer replacement cell for the HP EliteBook x360 1030 G2 convertible notebook. It fits all G2 variants including 1GY29PA, 1GY30PA, and 1GY31PA. It cross-references OEM part numbers OM03XL, HSTNN-IB70, 863167-171, and 863280-855, among others.
- EliteBook x360 1030 G2 fit group: All variants in the G2 series share the same connector pinout, cell voltage rail, and BMS handshake protocol. The x360 hinge assembly requires the flat 4.90mm profile — this cell matches those physical and electrical specs exactly.
- Bench tested on actual hardware: We ran this cell on the 1030 G2 platform and confirmed BMS handshake, charge acceptance from the HP Smart AC adapter, and stable discharge under sustained CPU and display load. The protection circuit tripped correctly at low-cell-voltage threshold with no unexpected cutoffs during normal operation.
- Post-install calibration on the x360 1030 G2: After fitting this cell, run one full discharge to hibernate-cutoff, then charge uninterrupted to 100%. This resets the BIOS battery learn cycle and clears the inaccurate health warning that appears in HP Support Assistant after every cell swap.
BIOS reporting poor battery health immediately after replacement
The HP EliteBook BIOS reads EEPROM data embedded in the battery controller to assess health. When a new cell arrives, that EEPROM has not yet been calibrated against the laptop's charge history, so the BIOS flags it as degraded or unknown. This is not a cell fault — it is a data mismatch. Run a full discharge-to-hibernate followed by a complete uninterrupted charge to 100%, and the BIOS learn cycle will rewrite the health status against the new cell's actual capacity data.
Laptop shuts down at 20–30% charge shown on screen
This happens when the fuel gauge IC has not yet calibrated against the new cell's discharge curve. The percentage shown is based on old cell data — when actual cell voltage drops under combined CPU, display, and hinge-sensor load, the BMS cuts out before the gauge catches up. The fix is two to three full calibration cycles: discharge to auto-hibernate, then charge to 100% each time. After those cycles the fuel gauge IC maps the new cell's voltage curve correctly and the early shutdowns stop.
Compatible Models
Replaces Part Numbers
Technical Specifications
Product Highlights
- Brand: HP
- Manufacturer: CS
- Series: Standard
- Color: Black
- Product Type: Li-Polymer
- Battery Type: Li-Polymer
- Warranty: 12 Months
- Bulk Orders: sales@batteryweb.com
Frequently Asked Questions
HP Support Assistant shows the new battery as "unknown" or 0% capacity right after I installed it — is the cell dead?
The cell is not dead. The HP BIOS reads EEPROM health data that the new cell has not yet written for this laptop. Run a full discharge to hibernate-cutoff, then charge uninterrupted to 100% — this triggers the BIOS battery learn cycle and rewrites the health register against the new cell. After one complete cycle, Support Assistant should report a valid capacity and health status.
The battery charges to 80% then stops — the indicator just stays there and never climbs higher.
This is a BIOS-controlled charge limit, not a fault with the replacement cell. HP EliteBook firmware includes a battery care setting that caps charging at 80% to reduce long-term cell stress. Open HP OMEN Command Center or HP Support Assistant, navigate to Power settings, and disable the charge limit or set it to 100%. Once disabled, the next charge cycle will go to full capacity.
Windows is showing the wrong Wh rating for this battery — it lists a different number than what came out of the machine.
The Wh figure Windows reads comes from the EEPROM on the battery controller, which stores the rated value programmed at manufacture. The outgoing cell may have had a different rated capacity written to it, or Windows is still reading cached data from the old cell. Run a full discharge-to-hibernate then charge to 100%, and Windows will recalculate the design capacity figure against the new cell's actual EEPROM data. The correct value is 56.6Wh at 11.55V.
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