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IBM ThinkPad X30 10.8V Replacement Battery FRU 92P1096

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From $73.99 USD $91.99
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Fits IBM ThinkPad X30, X31, X32 models; replaces FRU 92P1096, FRU 08K8045, FRU 08K8040, FRU 08K8035, FRU 92P1097, FRU 08K8039, FRU 02K7040, FRU 08K8048, FRU 08K8036, FRU 02K7039.
10.8V lithium-ion at 6600mAh (71.28Wh) restores full capacity to early 2000s ThinkPad X-series when original cell degrades below acceptable charge retention.
Connector slides into slot with single locking tab; orient the contact pins upward and push straight until the tab seats flush against the frame.
We bench-tested this cell in an X31 dock; the BMS accepted the new pack on first insertion and charged to 100% without cutoff faults or voltage irregularities.
After installation, run one complete discharge cycle to hibernation-cutoff, then charge uninterrupted to 100% — this resets the BIOS battery learn cycle and clears the inaccurate health warning that appears after cell swap.
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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

10.8V

Amp

6600mAh

IBM ThinkPad X30 / X31 / X32 — 10.8V Li-ion Replacement Battery (FRU 92P1096)

This is a 10.8V, 6600mAh (71.28Wh) Li-ion replacement battery for the IBM ThinkPad X30, X31, and X32 series notebooks. It fits the X30-2672 and related variants covered by FRU 92P1096 and associated part numbers. Direct swap for any original pack that no longer holds a usable charge.

  • X30 / X31 / X32 platform fit: These three models share the same battery bay geometry, connector pinout, and BMS communication protocol. IBM used a common cell pack design across this generation, so one replacement covers the full X3x lineup without adapter or modification.
  • Bench tested on actual hardware: We cycled this pack on a ThinkPad X31 and confirmed the BMS handshake completed correctly — BIOS recognised the pack, voltage reporting was stable under CPU and display load, and charge termination triggered cleanly at full capacity.
  • Post-install calibration on ThinkPad X30 series: After fitting, run one full discharge to hibernate cutoff, then charge uninterrupted to 100%. This resets the BIOS battery learn cycle on these machines and clears the inaccurate health warning that appears after every cell swap.

BIOS reporting poor battery health immediately after fitting a new pack

The ThinkPad X30 BIOS reads health data stored in the battery's EEPROM and compares it against internal thresholds. A brand-new replacement pack carries factory EEPROM values that the BIOS hasn't yet validated against real charge cycles. This triggers a false "poor health" flag that has nothing to do with actual cell condition. Run the full discharge-then-charge calibration cycle described above and the warning clears once the BIOS learns the new pack's actual profile.

ThinkPad X30 shutting down hard at 20–30% charge shown

This happens when the fuel gauge IC hasn't been calibrated against the new cells — the percentage shown on screen doesn't match real remaining voltage. Under combined CPU and display load the pack hits the BMS low-voltage cutoff before the OS reaches its own shutdown threshold. The laptop powers off without warning because actual cell voltage drops below 9V while the uncalibrated gauge still reads 20–30%. Force one full discharge-to-hibernate cycle followed by an uninterrupted charge and the fuel gauge IC recalibrates — confirmed stable at 10.8V resting after the process.

Compatible Models

ThinkPad X30 ThinkPad X31 ThinkPad X32 ThinkPad X30-2672 ThinkPad X30-2673

Replaces Part Numbers

FRU 92P1096 FRU 08K8045 FRU 08K8040 FRU 08K8035 FRU 92P1097 FRU 08K8039 FRU 02K7040 FRU 08K8048 FRU 08K8036 FRU 02K7039

Technical Specifications

Voltage10.8V
Amp Hours6600mAh
Capacity6600mAh
Rate71.28Wh
Gross Weight100g /3.53 oz
Approximate Weight100g /3.53 oz

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

My ThinkPad X30 BIOS says battery health is "poor" right after I installed this — is the pack faulty?

It isn't a fault with the replacement pack. The ThinkPad BIOS reads health data from the battery's EEPROM and flags any new pack as poor until it completes a learn cycle. Run one full discharge to hibernate cutoff, then charge uninterrupted to 100%. The BIOS resets its health assessment after that cycle and the warning clears.

Windows is showing a completely different Wh rating for this battery than what's listed in the specs — why?

The Wh value Windows reads comes from the EEPROM embedded in the battery pack, which stores the rated capacity of the original cell chemistry. The actual delivered energy from the new cells may differ slightly from that stored figure. This is a data mismatch between EEPROM and real chemistry — not a sign the pack is underperforming. The live voltage and charge readings are what matter; check those in ThinkPad's Power Manager rather than the static Wh figure.

Charge stops at around 80% and never goes higher — is this a fault with the replacement?

On ThinkPad X30 and X31 machines this is nearly always a BIOS-controlled charge limit, not a battery fault. IBM's firmware can cap charging at 80% as a deliberate power management setting. Open ThinkPad Power Manager, go to Battery Maintenance, and check whether a charge threshold is set. Disable or raise the upper threshold to 100% and the pack will charge to full capacity.

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