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Lenovo ThinkPad T590 Compatible Battery 11.25V 4800mAh

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New arrival
From $98.99 USD $118.99
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Fits Lenovo ThinkPad T590, T15, T15 Gen 1 using OEM part numbers 02DL009, 02DL010, 02DL011, 02DL012, 02LD012, 5B10W13877, 5B10W13907, 5B10W13913, 5B10W13914, L18C3P71, L18C3P72, L18L3P71, L18M3P71, L18M3P74, L18M4P73, L18M4P74, L18S3P71, SB10K97646, SB10K97647, SB10K97648, SB10K97649, SB10K97650, SB10T83122, SB10T83150, SB10T83156, SB10T83157, SB10T83197, 31CP5/88/70.
11.25V and 4800mAh capacity restores the full 54Wh output this ThinkPad platform draws under sustained CPU and display load.
Connector slides into the battery slot with locking tab engaging on the right side — no force required on insertion.
We bench tested full charge cycles on a T590 motherboard; the BMS reported correct cell voltage without EEPROM errors or early cutoff.
After installation, run one complete discharge to hibernation-cutoff then charge uninterrupted to 100% — this resets the BIOS
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.

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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

11.25V

Amp

4800mAh

Lenovo ThinkPad T590 / T15 — 11.25V Li-Polymer Replacement Battery (02DL009)

This is an 11.25V, 4800mAh (54Wh) Li-Polymer battery for the Lenovo ThinkPad T590 and ThinkPad T15 series laptops. It replaces a broad range of OEM part numbers including 02DL009, L18M3P71, L18M4P73, and SB10K97646 among others. If your original cell has degraded or stopped holding a charge, this is the direct swap.

  • ThinkPad T590 and T15 platform fit: The T590 and T15 Gen 1 share the same battery bay geometry, connector pinout, and BMS handshake protocol. Lenovo used multiple OEM part numbers across production runs — L18C3P71, L18M3P74, L18S3P71 and others — but all draw from the same 11.25V three-cell architecture. This battery covers the full range.
  • Bench tested on actual hardware: We ran this cell on a ThinkPad T590 and monitored BMS communication through the charge cycle. The protection circuit responded correctly to charge termination, thermal limits, and discharge cutoff. BIOS battery status populated without errors after a learn cycle.
  • First-cycle calibration on ThinkPad: After installing, run one full discharge down 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.

Why ThinkPad BIOS reports poor battery health right after a new cell install

The ThinkPad BIOS stores historical charge data in EEPROM on the battery's fuel gauge IC. When you swap the cell, that stored data no longer matches the new cell's actual capacity. The BIOS reads the mismatch and flags the battery as degraded or unknown. Running one full discharge-to-hibernate followed by a full uninterrupted charge lets the fuel gauge IC re-baseline against the new chemistry and clears the health warning.

ThinkPad T590 shutting down at 20–30% battery shown

This happens when the cell voltage drops below the BMS cutoff threshold under combined CPU and display load — even though the OS gauge still shows charge remaining. The fuel gauge IC maps percentage to voltage using historical data from the old cell, so the calibration is off after a swap. The fix is a full calibration cycle: discharge to automatic hibernate, then charge to 100% without interruption. After two to three cycles, the OS percentage and actual cell voltage align at around 3.2–3.4V per cell at low charge.

Compatible Models

ThinkPad T590 ThinkPad T15 ThinkPad T15 Gen 1 ThinkPad T15 Gen1-20S7S02U00 ThinkPad T590 20N4A00GCD ThinkPad T590 20N4A00KCD ThinkPad T590 20N40016CD THINKPAD T590 20N4001XUS ThinkPad T590-20N4002VGE ThinkPad T590 20N4A00JCD ThinkPad T590 20N4A00DCD ThinkPad T590 20N40018CD THINKPAD T590 20N40024US ThinkPad T590 20N4A002CD THINKPAD T590 20N4001WUS ThinkPad T590 20N4A00CCD

Replaces Part Numbers

02DL009 02DL010 02DL011 02DL012 02LD012 5B10W13877 5B10W13907 5B10W13913 5B10W13914 L18C3P71 L18C3P72 L18L3P71 L18M3P71 L18M3P74 L18M4P73 L18M4P74 L18S3P71 SB10K97646 SB10K97647 SB10K97648 SB10K97649 SB10K97650 SB10T83122 SB10T83150 SB10T83156 SB10T83157 SB10T83197 31CP5/88/70

Technical Specifications

Voltage11.25V
Amp Hours4800mAh
Capacity4800mAh
Rate54Wh
Net Weight224.6g /7.92 oz
Gross Weight484.6g /17.09 oz
Approximate Weight484.6g /17.09 oz
Dimension 278.50 x 105.04 x 9.64mm

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

My ThinkPad T590 shows the new battery as "0% available (plugged in, not charging)" — what's wrong?

This is an EEPROM data mismatch. The fuel gauge IC on the new cell has no stored history, so the BIOS briefly misreads state-of-charge as zero before calibration begins. Plug in the charger, leave it connected for 15–20 minutes without interrupting, and the BIOS handshake will re-establish. If it persists past a full charge cycle, run a battery learn cycle via Lenovo Vantage under Power → Battery settings.

System info says this battery is 45Wh but the product lists 54Wh — is the cell underperforming?

The Wh figure in system info is read from the EEPROM on the battery's fuel gauge IC, not measured in real time. Some replacement cells carry the rated value of the original OEM part they cover, which may differ from the actual cell chemistry shipped. The cell still delivers full capacity — the discrepancy is a data field, not a performance issue. Confirm actual capacity by running a full discharge-to-hibernate and checking the cycle count report in Lenovo Vantage.

The ThinkPad T590 stops charging at 80% and won't go higher — is the battery faulty?

No. Lenovo ships most ThinkPad units with a BIOS-controlled charge threshold active by default, capping charge at 80% to reduce cell stress during daily desk use. This is firmware behaviour, not a battery fault. Open Lenovo Vantage, go to Power → Battery, and either disable the charge threshold or set the upper limit to 100%. The battery will then charge to full capacity.

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Lenovo ThinkPad T590 Replacement Battery, 11.25V, 4800mAh, Li-Polymer 1

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