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Tuxedo Book XP14 Gen 12 Replacement Battery 15.2V 3050mAh

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From $91.99 USD $113.99
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Fits Tuxedo Book XP14 Gen 12; replaces OEM battery for this model.
15.2V and 3050mAh capacity delivers 46.36Wh to sustain CPU and display load during portable operation.
Connector seats flat against the motherboard slot with standard locking tab; no adapter needed.
We bench-tested the BMS under sustained load and saw stable voltage hold through full discharge cycles.
After installation, run one full discharge to hibernation-cutoff then charge uninterrupted to 100% — this resets the BIOS battery learn cycle and clears inaccurate health warnings that appear after every cell swap.
Delivery time

This product ships directly from our Manufacturer’s Warehouse and is usually delivered within 5 – 8 business days to your doorstep.

Discount: As a thank you for your patience, enjoy 5% off on your order
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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.

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⚠️ 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

15.2V

Amp

3050mAh

Tuxedo Book XP14 Gen 12 — 15.2V Li-ion Replacement Battery

This is a 15.2V, 3050mAh (46.36Wh) Li-ion replacement battery for the Tuxedo Book XP14 Gen 12 laptop. It slots into the XP14 Gen 12 chassis and restores portable operation when the original cell has degraded or failed. Voltage and connector pinout match the factory specification for this generation.

  • XP14 Gen 12 platform fit: The Gen 12 board uses a 15.2V four-cell architecture with a specific BMS handshake over the SMBus line. Cells from other XP14 generations run a different voltage rail and will not satisfy the firmware handshake on this board.
  • Bench tested on actual hardware: We cycled this cell through charge, full-load discharge, and BMS fault recovery on the XP14 Gen 12. The protection circuit tripped correctly at the low-voltage cutoff and reset cleanly on reconnect with no SMBus error codes logged.
  • Post-swap calibration tip: After fitting, run the laptop down to hibernate cutoff under normal load, then charge uninterrupted to 100%. This forces the BIOS battery learn cycle to reset against the new cell and clears the inaccurate health warning that appears after every cell swap.

BIOS reporting poor battery health immediately after fitting a new cell

The XP14 Gen 12 BIOS reads health data from EEPROM stored on the battery's BMS — not from live cell measurement. When a new cell goes in, the EEPROM contains factory defaults that do not match the BIOS's learned profile from the old pack. The firmware flags this mismatch as degraded health. One complete discharge-to-hibernate followed by an uninterrupted charge to 100% rewrites the learned profile and clears the warning.

Laptop shuts down abruptly while the OS gauge still shows 20–25% remaining

This happens when the fuel gauge IC has not yet calibrated against the new cell's actual discharge curve. The IC is still using voltage-to-capacity mappings built from the old, degraded cell. Under combined CPU and display load the new cell hits a voltage cliff that the uncalibrated gauge has mapped 20–25% too high. Run two or three full discharge-to-hibernate cycles and the gauge IC will remap the curve accurately against the new cell's chemistry.

Compatible Models

Book XP14 Gen 12

Technical Specifications

Voltage15.2V
Amp Hours3050mAh
Capacity3050mAh
Rate46.36Wh
Net Weight215g /7.58 oz
Gross Weight475g /16.76 oz
Approximate Weight475g /16.76 oz
Dimension 260.20 x 80.60 x 7.10mm

Product Highlights

  • Brand: Tuxedo
  • Manufacturer: CS
  • Series: Standard
  • Color: Black
  • Product Type: Li-ion
  • Battery Type: Li-ion
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

Frequently Asked Questions

My XP14 Gen 12 shows the battery as "Unknown" or 0% in the OS right after fitting the new cell — what's happening?

The OS fuel gauge IC is reading EEPROM data from the new cell's BMS that hasn't been learned against the system yet. The controller has no valid charge map for the fresh chemistry, so it reports unknown or zero. Run one full discharge to hibernate cutoff, then charge uninterrupted to 100% — after that cycle the gauge IC builds a fresh capacity map and the reading normalises.

System info is showing the wrong Wh rating for the new battery — it says something different from the 46.36Wh spec. Is the cell faulty?

This is an EEPROM reporting difference, not a cell fault. The Wh value shown in system info is pulled from a rated-capacity field written at the factory, and it can differ slightly from the actual electrochemical capacity of the installed chemistry. The cell itself delivers the correct energy — the figure in software is a stored label, not a live measurement. No action is needed on the cell; the displayed value may update after one or two full calibration cycles.

Charge stops at 80% and won't go higher — is there a fault with the replacement cell?

Almost certainly not. The XP14 Gen 12 BIOS includes a charge-limit feature that caps charging at 80% to reduce long-term cell stress — it ships enabled by default on many units. Check the BIOS power management settings or the Tuxedo Control Center application for a "Battery Charge Limit" or "Battery Care" toggle. Disabling it or setting the threshold to 100% will allow the cell to charge to full immediately.

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