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IBM ThinkPad X60 Replacement Battery 14.4V 4400mAh 40Y7001

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From $83.99 USD $103.99
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Fits IBM ThinkPad X60, X61, and X60 variants; replaces OEM part 40Y7001, ASM 92P1170, FRU 92P1167, FRU 92P1169, FRU 92P1227.
14.4V at 4400mAh delivers 63.36Wh — matches original output for full-day mobile sessions without AC.
Connector slides straight into the X60 battery bay with a single locking tab; orientation keyed to prevent reverse installation.
We bench-tested against a known X60 pack; the BMS accepted BIOS handshake immediately and held voltage under sustained CPU load.
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.

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

14.4V

Amp

4400mAh

IBM ThinkPad X60 / X61 Series — 14.4V Li-ion Replacement Battery (40Y7001)

This is a 14.4V, 4400mAh (63.36Wh) lithium-ion replacement battery for the IBM ThinkPad X60 and X61 series notebooks. It matches OEM part numbers 40Y7001, FRU 92P1167, FRU 92P1169, FRU 92P1227, and ASM 92P1170. Fits confirmed ThinkPad X60, X61, X60 1702, X60 1703, and over 26 additional X60/X61 variants.

  • X60 and X61 platform fit: The X60 and X61 series share the same battery bay dimensions, connector pinout, and BMS communication protocol. IBM carried the same battery specification across both generations, which is why one part number covers both model lines without modification.
  • Bench tested on actual hardware: We cycled this cell on a ThinkPad X60 chassis and confirmed the BMS handshake completes correctly — the system accepted the battery, initiated charge, and reported cell voltage across all charge states without fault flags.
  • First cycle after install: Run the battery down to the automatic hibernate cutoff on battery power alone, 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 typically appears after a cell swap.

Why the ThinkPad X60 BIOS flags a new battery as poor health

The ThinkPad BIOS reads battery health from EEPROM data stored in the battery's fuel gauge IC — not from live cell voltage. When a new cell arrives, that EEPROM data does not yet match the BIOS's learned baseline for the old pack. The system interprets the mismatch as degraded health and displays a warning at POST. Running one complete discharge-to-hibernate then a full uninterrupted charge resets the learn cycle and updates the EEPROM baseline. After two to three full cycles, the health warning clears and the BIOS reports the battery accurately.

ThinkPad X60 shutting down at 20–30% charge shown

This happens when the cell cannot hold voltage under combined CPU and display load — the voltage drops below the BMS cutoff threshold faster than the fuel gauge IC predicts. The gauge was calibrated against the old degraded cell, so its percentage estimates are skewed. It is not a fault in the replacement cell. Run the full discharge-to-hibernate cycle described above, and on the next charge confirm the cell reaches 16.8V at the charger pin before the system reports 100%.

Compatible Models

ThinkPad X60 ThinkPad X61 ThinkPad X60 1702 ThinkPad X60 1703 ThinkPad X60 1704 ThinkPad X60 1705 ThinkPad X60 1706 ThinkPad X60 1707 ThinkPad X60 1708 ThinkPad X60 1709 ThinkPad X60 2509 ThinkPad X60 2510 ThinkPad X60 2533 ThinkPad X60s 1702 ThinkPad X60s 1703 ThinkPad X60s 1704 ThinkPad X60s 1705 ThinkPad X60s 1706 ThinkPad X60s 1707 ThinkPad X60s 1708 ThinkPad X60s 1709 ThinkPad X60s 2507 ThinkPad X60s 2508 ThinkPad X60s 2522 ThinkPad X60s 2524 ThinkPad X60s 2533 ThinkPad X60s ThinkPad X61 7673 ThinkPad X61s ThinkPad X61s 7669

Replaces Part Numbers

40Y7001 ASM 92P1170 FRU 92P1167 FRU 92P1169 FRU 92P1227

Technical Specifications

Voltage14.4V
Amp Hours4400mAh
Capacity4400mAh
Rate63.36Wh
Net Weight443g /15.63 oz
Gross Weight703g /24.80 oz
Approximate Weight703g /24.80 oz
Dimension 268.90 x 86.30 x 12.70mm

Product Highlights

  • Brand: IBM
  • 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

The ThinkPad X60 shows 0% or "unknown" battery in Windows right after fitting the new cell — is the battery faulty?

The fuel gauge IC on the new cell ships without calibration data matched to your specific BIOS. Windows reads the raw EEPROM state and reports it as unknown or 0% until the learn cycle runs. Discharge the laptop fully to the hibernate cutoff on battery power, then charge uninterrupted to 100% without interruption. After one complete cycle the fuel gauge IC recalibrates and Windows displays accurate charge state.

Windows and ThinkPad Power Manager are showing the wrong Wh rating — 63Wh says 48Wh or some other number in system info.

The Wh figure shown in Power Manager comes from the EEPROM rated value embedded in the original battery's firmware, not from a live measurement of the new cell. After a cell swap, the EEPROM-reported Wh may differ from the actual 63.36Wh chemistry of the replacement until the BIOS recalculates it across calibration cycles. Run two full discharge-to-100% charge cycles and the displayed Wh figure will converge toward the actual cell rating. If it does not update after three cycles, check that BIOS firmware is current — some early X60 BIOS revisions read Wh from a fixed table rather than from the battery EEPROM directly.

The new battery charges to about 80% then stops — the charging indicator goes off and the laptop runs on that 80% without climbing higher.

This is a BIOS-controlled charge limit, not a cell fault. IBM's power management firmware on some X60 and X61 units activates a charge threshold that caps charge at 80% to reduce cell wear — it ships enabled by default on certain BIOS versions. Open ThinkPad Power Manager, navigate to Battery → Charge Threshold, and set both the start and stop thresholds to 96% and 100% respectively. The battery will then charge to full on the next cycle.

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