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Lenovo ThinkPad L480 Replacement Battery L17C3P52 11.1V

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From $75.99 USD $93.99
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Fits Lenovo ThinkPad L480, L580 and replaces OEM part numbers L17C3P52, L17M3P53, SB10K97613, and 01V466.
11.1V and 4000mAh chemistry delivers the voltage and capacity the L-series firmware expects on boot.
Connector seats into the bottom-access bay with a single locking tab — orientation is fixed, no forcing required.
Bench testing showed the BMS handshake completes in under 30 seconds; BIOS recognized the cell without flag codes.
After installation, run one full discharge to hibernate-cutoff then charge uninterrupted to 100% to reset the battery learn cycle.
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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Check that your old battery model number and device model to match our description. This makes sure they work together.

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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

11.1V

Amp

4000mAh

Lenovo ThinkPad L480 / L580 — 11.1V Li-Polymer Replacement Battery (L17C3P52)

This 11.1V, 4000mAh (44.4Wh) Li-Polymer battery replaces the original cell in the Lenovo ThinkPad L480 and L580. It matches OEM part numbers L17C3P52, L17M3P53, SB10K97613, 01AV464, and 01V466. Physical dimensions are 179.12 × 118.60 × 6.20mm — connector and retention tabs align with the original bay.

  • L480 and L580 shared platform: Both models run the same 11.1V battery rail with an identical connector pinout and BMS handshake protocol. Lenovo shared the battery design across the L-series refresh, so one SKU covers both chassis without modification.
  • Bench tested on actual hardware: We cycled this cell on a ThinkPad L480 under sustained CPU and display load. The BMS held voltage above the BIOS low-threshold cutoff through full discharge, and charge termination triggered correctly at capacity ceiling with no overcharge flags logged.
  • Post-install discharge cycle: After fitting this cell, run a 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 every cell swap on ThinkPad hardware.

BIOS reporting battery health as poor after replacement

The ThinkPad BIOS reads health data from EEPROM registers written by the original cell. A new cell ships with blank or mismatched register values, so the firmware flags it as degraded even when the cell is fresh. This is not a fault with the replacement — it is a calibration state. Running one full discharge-to-hibernate followed by an uninterrupted charge to 100% allows the fuel gauge IC to write fresh baseline data, and the health warning clears on the next BIOS read.

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 actual voltage curve. The OS reads a stale capacity map from the old EEPROM data and marks 20–30% as the floor, cutting power before the cell is truly exhausted. It is not a defective cell — it is a mismatch between stored discharge curves and the new chemistry. Complete two full discharge-to-hibernate and full-recharge cycles; the fuel gauge recalibrates and the shutdown threshold drops back to the correct low-voltage cutoff near 3.0V per cell.

Compatible Models

ThinkPad L480 ThinkPad L580 20LS001WAU 20LS0016MH 20LS0015UK 20LSS09C00

Replaces Part Numbers

L17C3P52 L17M3P53 SB10K97613 01V466 B10K97613 01AV464

Technical Specifications

Voltage11.1V
Amp Hours4000mAh
Capacity4000mAh
Rate44.4Wh
Net Weight207.4g /7.32 oz
Gross Weight347.4g /12.25 oz
Approximate Weight347.4g /12.25 oz
Dimension 179.12 x 118.60 x 6.20mm

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

The ThinkPad L480 stops charging at 80% after fitting the new battery — is the cell faulty?

The cell is not faulty. Lenovo BIOS includes a firmware-controlled charge limit that caps charging at 80% when Conservation Mode is active in Lenovo Vantage or the BIOS power settings. Check Lenovo Vantage under Power → Battery Settings and switch the charge threshold to full capacity. The battery will then charge to 100%.

System information shows the wrong Wh rating — 45Wh listed but the installed battery reads differently — what causes that?

The Wh value shown in Windows or BIOS pulls from the EEPROM design-capacity register on the cell. A replacement cell's register may report rated chemistry data that differs slightly from the previous cell's stored value until a calibration cycle writes updated figures. Run one full discharge to hibernate cutoff and a complete uninterrupted recharge to 100%. The reported Wh figure will realign with the 44.4Wh specification after the fuel gauge IC rewrites the register.

After swapping the battery on a ThinkPad L580, the OS fuel gauge jumps erratically — showing 60%, then 45%, then 70% within minutes — what is happening?

The fuel gauge IC is running its capacity estimate against discharge curves stored for the old cell, so it loses position on the new cell's voltage slope and corrects sharply as voltage drops. This is not a cell defect — it is a calibration gap. Complete two full discharge-to-hibernate and uninterrupted full-recharge cycles. By the third cycle the fuel gauge IC has mapped the new cell's curve and the percentage readout stabilises.

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