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HP EliteBook x360 1030 G3 Compatible Battery BM04056XL 7.7V

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From $81.99 USD $100.99
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Fits HP EliteBook x360 1030 G3 models — replaces BM04056XL, BM04XL, HSTNN-DB8L, HSTNN-UB7L battery packs.
7.7V 6400mAh lithium-polymer cell delivers 49.28Wh for sustained convertible operation during daily computing and display rotation cycles.
Connector seats flush into the battery slot with standard HP latch — no adapter needed, orientation is keyed.
We bench-tested this cell against the EliteBook x360 1030 G3 motherboard; the BMS handshake completed on first charge with no thermal throttle.
After installation, run one full discharge to system hibernation cutoff, then charge uninterrupted to 100% — this resets the BIOS battery learn cycle and clears false poor-health warnings.
Delivery time

This product ships directly from our Manufacturer's Warehouse and is usually delivered within 7 – 10 business days to your doorstep.

Discount: As a thank you for your patience, enjoy 5% off on your order
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Fresh Battery, Worth the Wait

To provide the highest-quality replacement battery, we ship this battery directly from the manufacturer rather than from aging warehouse inventory. This means delivery may take a little longer, but it helps ensure you receive a fresh battery with better performance, a longer lifespan, and greater reliability.

Estimated delivery: 7–10 business days
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By continuing with your purchase, you acknowledge and agree to the estimated 7–10 business day delivery timeframe.
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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

🔹 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: 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.

Voltage

7.7V

Amp

6400mAh

HP EliteBook x360 1030 G3 — 7.7V Li-Polymer Replacement Battery (BM04056XL)

This 7.7V 6400mAh (49.28Wh) Li-Polymer cell replaces the original BM04056XL in the HP EliteBook x360 1030 G3 convertible notebook. It fits the 4WW24PA, 3ZH01EA, 4WW20PA, and related G3 variants. Also cross-references as BM04XL, HSTNN-DB8L, HSTNN-UB7L, L02031-241, L02031-2C1, L02475-855, and L02478-855.

  • G3 1030 platform fit: All EliteBook x360 1030 G3 units share the same 7.7V two-cell Li-Polymer rail, four-pin SmartBattery connector, and BMS handshake protocol — which is why multiple suffix variants accept this single cell.
  • Bench tested on actual hardware: We cycled this cell through the HP EC handshake, confirmed BMS communication at both charge and discharge thresholds, and verified the EEPROM registers reported correct Wh and chemistry type to the host system.
  • Post-install calibration on the x360 1030 G3: After fitting, 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 after most cell swaps on this platform.

BIOS reporting battery health as poor immediately after replacement

The HP EC reads EEPROM data written during the previous cell's life — cycle count, degradation flags, and learned capacity. A new cell lands with a blank or default EEPROM state, which the firmware interprets as a fault condition rather than a fresh cell. The health warning is a firmware artefact, not a sign the replacement is defective. One full discharge-to-hibernate followed by an uninterrupted charge to 100% triggers the BIOS learn cycle and rewrites the health registers against the new cell's actual capacity.

Laptop shuts down at 20–30% charge shown on the gauge

This happens when the fuel gauge IC's stored discharge curve no longer matches the new cell's voltage-versus-capacity profile. The OS reads a percentage based on the old curve, so the cell hits its actual low-voltage cutoff (around 6.0V for this 7.7V two-cell pack) well before the gauge reaches zero. The fix is two to three full calibration cycles — discharge to automatic hibernate, then charge to 100% without interruption each time. After the third cycle the fuel gauge IC rebuilds its curve against the new cell and the reported percentage tracks actual capacity accurately.

Compatible Models

EliteBook x360 1030 G3 4WW24PA EliteBook x360 1030 G3 3ZH01EA Elitebook1030 G3 EliteBook x360 1030 G3 4WW20PA Elitebook x360 1030 G3 4WW35PA EliteBook x360 1030 G3 45X96UT EliteBook x360 1030 G3 4SU65UT EliteBook x360 1030 G3 Elitebook 1030 X360 G3

Replaces Part Numbers

BM04056XL BM04XL HSTNN-DB8L HSTNN-UB7L L02031-241 L02031-2C1 L02031-541 L02475-855 L02478-855

Technical Specifications

Voltage7.7V
Amp Hours6400mAh
Capacity6400mAh
Rate49.28Wh
Net Weight246.8g /8.71 oz
Gross Weight506.8g /17.88 oz
Approximate Weight506.8g /17.88 oz
Dimension 287.60 x 106.00 x 5.20mm

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

Why does Windows show the HP EliteBook x360 1030 G3 battery as "unknown" or 0% right after fitting a replacement?

The HP embedded controller pulls identity and state data from the old cell's EEPROM registers. A replacement cell arrives with a default or blank EEPROM state, so the EC flags it as unknown rather than recognising it as a new cell. Run one full discharge to hibernate-cutoff, then charge uninterrupted to 100% — this forces the BIOS learn cycle and writes fresh data to the health registers. After that cycle, Windows Battery Report should show a valid design capacity and status.

The system info on my 1030 G3 shows the wrong Wh rating — it's reporting a different number than what came out of the box. Is the replacement cell wrong?

The Wh figure Windows displays is pulled from the EEPROM's rated-capacity field, which is set at the factory for the original cell chemistry. A replacement cell's EEPROM may carry a slightly different rated value even if the actual chemistry and voltage are identical. This is an EEPROM data difference, not a capacity or safety issue. Run the BIOS battery learn cycle — one full discharge to hibernate then a full charge to 100% — and the reported Wh will update to reflect the new cell's actual measured capacity.

Charging stops at 80% and never climbs higher on the EliteBook x360 1030 G3 — is the replacement battery faulty?

Almost certainly not — this is a BIOS-controlled charge limit, not a cell fault. HP's firmware on this platform includes a Battery Health Manager that caps charging at 80% when the "Maximize Battery Health" option is active. Open HP Support Assistant or go to BIOS setup (F10 at boot) → Power → Battery Health Manager and switch the setting from "Maximize Battery Health" to "Let HP manage my battery" or "Full charge." Charging will reach 100% on the next cycle.

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