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Lenovo Yoga A12 L16D3P31 Replacement Battery 3.8V 10000mAh

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From $68.99 USD $85.99
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Fits Lenovo Yoga A12 tablets, replacing OEM part L16D3P31 or L16C3P31 battery pack.
3.8V, 10000mAh lithium-polymer cell delivers 38Wh for full-day tablet and keyboard dock use.
Connector seats flat into the Yoga A12 battery slot with single locking tab engagement.
We bench-tested against stock hardware; BMS accepted charge and held voltage under display-plus-CPU load.
After installation, run one full discharge to hibernation then charge uninterrupted to 100% — this resets the BIOS battery learn cycle and clears inaccurate health warnings that appear after cell swap.
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.

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🔹 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

3.8V

Amp

10000mAh

Lenovo Yoga A12 YB-Q501F — 3.8V Li-Polymer Replacement Battery (L16D3P31)

This is a 3.8V, 10000mAh (38Wh) lithium-polymer replacement battery for the Lenovo Yoga A12 tablet. It fits the YB-Q501F, including the ZA1Y0061US variant. OEM part numbers L16D3P31 and L16C3P31 both cross to this cell.

  • Yoga A12 detachable platform: The Yoga A12 runs a shared battery rail whether docked to its keyboard cover or used as a standalone tablet. The connector pinout and BMS handshake are identical across YB-Q501F regional variants, so one cell covers the full A12 lineup.
  • Bench tested on actual hardware: We ran this cell through full charge and discharge cycles on a Yoga A12 unit. The BMS accepted the cell without fault flags, the fuel gauge initialised cleanly, and charge current stepped down correctly at the top-of-charge threshold.
  • Post-install recalibration on the Yoga A12: After fitting a new cell, let the tablet discharge fully until it hibernates, then charge uninterrupted to 100%. This forces the fuel gauge IC to relearn the cell's actual capacity curve and clears the inaccurate health warning Android or Windows logs after every cell swap.

Yoga A12 shutting down at 20–30% battery shown on screen

This happens when the cell voltage drops below the BMS cutoff threshold under load before the fuel gauge reaches zero. The Yoga A12 draws a combined CPU, display, and wireless load that can pull the cell voltage down sharply from around 3.6V. The fuel gauge IC hasn't yet mapped where the new cell's voltage cliff actually sits. Running two full discharge-to-hibernate then uninterrupted charge cycles recalibrates the gauge and moves the shutdown point back to the correct voltage floor near 3.2V per cell.

Android or Windows reporting this battery as unknown or 0% immediately after fitting

The OS reads battery identity and state-of-charge from the cell's EEPROM via the BMS data line. When a replacement cell is first connected, the EEPROM data doesn't match the profile stored from the previous cell, so the OS flags it as unknown or reports 0%. This is not a fault with the cell or the tablet. Power the Yoga A12 off completely, leave it connected to the charger for 15 minutes, then boot normally — this gives the BMS time to authenticate the new cell and push a valid state-of-charge reading to the OS. If the unknown flag persists, run one full discharge cycle to clear the stale EEPROM cache.

Compatible Models

Yoga A12 YB-Q501F ZA1Y0061US

Replaces Part Numbers

L16D3P31 L16C3P31

Technical Specifications

Voltage3.8V
Amp Hours10000mAh
Capacity10000mAh
Rate38Wh
Net Weight175g /6.17 oz
Gross Weight435g /15.34 oz
Approximate Weight435g /15.34 oz
Dimension 251.74 x 104.70 x 3.00mm

Product Highlights

  • Brand: Lenovo
  • 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 the Yoga A12 still show poor battery health in settings right after fitting a brand new cell?

The health rating the OS displays is pulled from EEPROM data logged against the old cell — the new cell hasn't written its own cycle history yet. This is a fuel gauge IC calibration issue, not a fault with the replacement. Run one full discharge to hibernate-cutoff, then charge uninterrupted to 100%. After two of those cycles the health indicator updates to reflect the actual new cell condition.

The battery percentage on the Yoga A12 jumps around wildly — it reads 60%, then suddenly drops to 15%. What's wrong?

The fuel gauge IC maps state-of-charge against a voltage curve it learned from the old cell. A new cell has a slightly different curve, so the gauge mis-reads the voltage and reports erratic percentages for the first few cycles. Nothing is damaged. Discharge the tablet fully until it hibernates, then charge straight to 100% without interruption — repeat this twice and the fuel gauge IC recalibrates its curve against the new cell's actual chemistry.

The Yoga A12 shows a different Wh rating in system info than what the replacement battery lists — is something wrong?

The Wh figure shown in Windows Device Manager or Android diagnostics is read from the cell's EEPROM, which stores the rated capacity of the original factory cell. The replacement cell is 38Wh. If the system displays a different number, it is reporting the old cell's stored EEPROM value, not the actual capacity of the new cell. This does not affect charging or operation — the BMS controls charge behaviour based on voltage and current, not the EEPROM Wh field. The displayed figure will update after the fuel gauge IC completes its first full calibration cycle.

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