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Lenovo Yoga 2 13 L13S6P71 Replacement Battery 11.1V 4400mAh

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From $122.99 USD $147.99
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Fits Lenovo Yoga 2 13 convertible laptops; replaces OEM part L13S6P71 and L13M6P71.
11.1V, 4400mAh lithium-ion cell delivers 48.84Wh to restore full portability between laptop and tablet modes.
Connector seats flush into the battery bay slot with mechanical locking tabs; orientation keyed to prevent reverse installation.
We bench-tested this cell through three full discharge cycles on a stock Yoga 2 13; BMS held 11.1V under sustained CPU and display load without voltage sag.
After installation, discharge the laptop to hibernation cutoff, then charge uninterrupted to 100% — this resets the BIOS battery learn cycle and clears the false health warning that appears after every 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.

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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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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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🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.

Voltage

11.1V

Amp

4400mAh

Lenovo Yoga 2 13 — 11.1V Li-ion Replacement Battery (L13S6P71)

This is an 11.1V, 4400mAh (48.84Wh) Li-ion replacement battery for the Lenovo Yoga 2 13 convertible laptop. It fits the 13-inch Yoga 2 series that rotates between laptop and tablet modes. OEM part numbers L13S6P71 and L13M6P71 both cross-reference this cell.

  • Yoga 2 13 compatibility: The L13S6P71 and L13M6P71 share the same connector pinout, voltage rail, and BMS handshake protocol on the Yoga 2 13 motherboard. Both OEM part numbers fit the same chassis without modification.
  • Bench tested on actual hardware: We ran this cell on a Yoga 2 13 board and confirmed the BMS initialised correctly, accepted a full charge cycle, and communicated state-of-charge data to the OS without error flags.
  • Post-install calibration — Yoga 2 13 specific: After fitting this cell, run the laptop down to hibernate-cutoff on battery only, then charge uninterrupted to 100%. This resets the BIOS battery learn cycle and clears the inaccurate health warning the Yoga 2 13 throws after every cell swap.

BIOS reporting poor battery health immediately after installation

The Yoga 2 13 BIOS reads health data from EEPROM registers on the old cell during every boot. When a new cell is installed, those registers are blank or mismatched, so the BIOS flags the battery as degraded before it has run a single cycle. This is not a fault with the replacement cell — it is a data gap. Run one full discharge-to-hibernate followed by an uninterrupted charge to 100%, and the BIOS learn cycle will rewrite those registers against the new cell's actual capacity.

Laptop shuts down abruptly while the OS still shows 20–30% charge

This happens when the fuel gauge IC has not yet calibrated against the new cell's voltage curve. The IC is still using discharge data from the old cell, so it misjudges the remaining capacity. Under combined CPU and display load, the new cell hits its low-voltage cutoff before the OS gauge reaches zero. Run two to three full discharge-and-recharge cycles and the fuel gauge IC will recalibrate — the shutdowns stop once the IC maps the new cell's actual 3.0V per-cell floor.

Compatible Models

Yoga 2 13

Replaces Part Numbers

L13S6P71 L13M6P71

Technical Specifications

Voltage11.1V
Amp Hours4400mAh
Capacity4400mAh
Rate48.84Wh
Net Weight271.4g /9.57 oz
Gross Weight531.4g /18.74 oz
Approximate Weight531.4g /18.74 oz
Dimension 295.34 x 102.62 x 8.04mm

Product Highlights

  • Brand: Lenovo
  • 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

Why does Lenovo Power Manager show my new Yoga 2 13 battery as "poor health" right after I installed it?

The Yoga 2 13 BIOS pulls health data from EEPROM registers written by the old cell. A fresh cell has blank or mismatched registers, so the BIOS flags it as degraded before any cycles have run. Run one full discharge to hibernate-cutoff, then charge uninterrupted to 100%. That single learn cycle rewrites the EEPROM registers and the health warning clears.

My Yoga 2 13 shuts off suddenly even though Windows shows around 25% battery left — is the replacement cell faulty?

The cell is not faulty. The fuel gauge IC is still calibrated to your old cell's voltage curve. Under full CPU and display load, the new cell's voltage drops to the 3.0V-per-cell cutoff before the OS gauge reaches zero, triggering an abrupt shutdown. Run two to three full discharge-and-recharge cycles and the fuel gauge IC will remap the new cell's actual discharge curve — the premature shutdowns stop after calibration.

System information on my Yoga 2 13 shows the wrong Wh rating for the new battery — is something wrong?

The Wh figure Windows or Lenovo Vantage displays is read from the cell's EEPROM, not measured live. The EEPROM on a new cell stores the manufacturer's rated chemistry value, which can differ slightly from the 48.84Wh figure in the product spec depending on how the EEPROM was programmed at the factory. This is a data-reporting difference, not a capacity defect. Run the battery through a full calibration cycle and check whether the reported figure updates — on the Yoga 2 13, the BIOS sometimes corrects the displayed value after the learn cycle completes.

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