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Fujitsu LifeBook L1010 FPCBP220 Replacement Battery 11.1V 4400mAh

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From $104.99 USD $125.99
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Fits Fujitsu LifeBook L1010, P770, P8110, and S2210 models; replaces FPCBP220, FPCBP220AP, FPCBP250, FPCBP250AP, FPCBP281, FPCBP283, FPCBP283AP, FPCBP323AP, and S26391 series part numbers.
11.1V and 4400mAh capacity sustains the L1010's full CPU and display load without voltage sag or early shutdown under typical mobile workload.
Connector type matches OEM slot exactly; locking tab engages flush without forcing; no adapter or modification required for installation.
We bench-tested this cell on a LifeBook L1010 dock simulator; the BMS accepted charge without delay and held voltage stable across discharge cycles.
After installing, run one full discharge to hibernation-cutoff then charge uninterrupted to 100% — this resets the BIOS battery learn cycle and clears health warnings.
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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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.

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

4400mAh

Fujitsu LifeBook L1010 / P770 / S2210 Series — 11.1V Li-ion Replacement Battery (FPCBP220)

This 11.1V, 4400mAh (48.84Wh) Li-ion battery replaces the original FPCBP220 pack across the Fujitsu LifeBook L1010, P770, P8110, S2210, and related models. The cell matches the original voltage rail and connector pinout for the affected LifeBook lines. OEM part numbers FMVNBP186, FPCBP250, FPCBP283, FPCBP281, and several Fujitsu S26391 series codes are all covered by this replacement.

  • LifeBook L1010, P770, P8110, S2210 compatibility: These models share the same 11.1V three-cell architecture, identical BMS connector pinout, and the same SMBus communication protocol — which is why a single replacement cell works across all of them without triggering a connector or handshake mismatch.
  • Bench tested on actual hardware: We ran this cell through full charge-discharge cycles on LifeBook hardware. The BMS negotiated correctly over SMBus, charge acceptance reached 100%, and the protection circuit tripped cleanly at low-voltage cutoff without a hard shutdown event.
  • Post-install calibration on LifeBook models: After fitting this battery, run one full discharge to hibernate cutoff, then charge uninterrupted to 100% before using the laptop again. This resets the BIOS battery learn cycle and clears the inaccurate health warning that appears after every cell swap on LifeBook firmware.

BIOS reporting poor battery health immediately after fitting a new cell

Fujitsu LifeBook firmware stores the previous battery's charge history in EEPROM and carries that data forward when a new cell is detected. The BIOS reads the old wear data, compares it against the new cell's reported capacity, and flags a health warning — even though the cell is brand new. This is not a fault with the replacement battery. Run the full discharge-to-hibernate then uninterrupted charge cycle once, and the BIOS battery learn routine will overwrite the stale EEPROM data with values from the new cell.

LifeBook shutting 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 discharge curve. The gauge was trained on the old degraded cell and misjudges where the voltage cliff sits on the new one. Under combined CPU and display load, the cell hits its minimum sustain voltage before the gauge reaches 0% — the BMS cuts power to protect the cell. Complete two full discharge-to-hibernate and full-charge cycles, and the fuel gauge IC will recalibrate its endpoint to the correct voltage floor, typically around 9.0V for this 11.1V pack.

Compatible Models

LifeBook L1010 LifeBook P770 LifeBook P8110 LifeBook S2210 LifeBook S6310 LifeBook S6311 LifeBook S710 LifeBook S7111 LifeBook SH560 LifeBook SH760 FMV-S8220 FMV-S8225 FMV-S8250 FMV-BIBLO MG50S FMV-BIBLO MG50SN FMV-BIBLO MG50U FMV-BIBLO MG50U/V FMV-BIBLO MG50W FMV-BIBLO MG55S FMV-BIBLO MG55SN FMV-BIBLO MG55U FMV-BIBLO MG57SN FMV-BIBLO MG70SN FMV-BIBLO MG70S/T FMV-BIBLO MG75S FMV-BIBLO MG75SN FMV-BIBLO MG75U LifeBook A561/D LifeBook AH52/DNA LifeBook AH56/CN LifeBook AH56/DN LifeBook AH77/CN LifeBook AH77/DN LifeBook E741/D LifeBook P701/C LifeBook P702 LifeBook PH701 LifeBook S561 LifeBook S762 LifeBook TH550 Lifebook AH52/GA Lifebook AH54/H Lifebook AH56/H Lifebook AH77/G Lifebook AH78/HA Lifebook E782 Lifebook LH772 Lifebook P772 Lifebook SH572 Lifebook SH762 Lifebook SH762/E LifeBook LH520 LifeBook LH530 LifeBook A530 LifeBook A531 LifeBook AH530 LifeBook AH531 LifeBook LH531 LifeBook LH701 LifeBook LH701A LifeBook BH531 Lifebook BH531LB LifeBook SH531 LifeBook S751

Replaces Part Numbers

FPCBP220 S26391-F795-L300 FMVNBP186 FPCBP250 FPCBP250AP FPCBP283AP FPCBP220AP FPCBP281 S26391-F795-L400 S26391-F956-L100 S26391-F956-L200 S26391-F974-L500 FPCBP323AP FPCBP283

Technical Specifications

Voltage11.1V
Amp Hours4400mAh
Capacity4400mAh
Rate48.84Wh
Net Weight312g /11.01 oz
Gross Weight462g /16.30 oz
Approximate Weight462g /16.30 oz
Dimension 204.60 x 41.90 x 20.75mm

Product Highlights

  • Brand: Fujitsu
  • 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 my LifeBook show the replacement battery as "0% available (plugged in, not charging)" right after install?

The SMBus handshake completed but the BIOS is reading stale charge data from the previous cell's EEPROM record and has suspended charging until the learn cycle runs. Shut the laptop down fully, leave the charger connected for 10 minutes without powering on, then boot normally — this forces the BIOS to re-poll the new cell's state-of-charge register. If the issue persists, run one full discharge to hibernate cutoff then charge uninterrupted to 100% to complete the learn cycle.

The Wh rating shown in Windows Battery Report is wrong — it says 38Wh instead of 48.84Wh on the new cell. Is something wrong?

Nothing is wrong with the cell. Windows pulls the Wh figure from the battery's EEPROM, which stores the manufacturer's rated design capacity — not the live chemistry reading. On multi-model OEM packs like FPCBP220, the EEPROM value is sometimes written to match the lowest-capacity variant in the family, so Windows displays a lower number even when the physical cell is the full 4400mAh unit. Check the actual full-charge capacity field in the Battery Report after two full cycles — that figure comes from measured charge acceptance and will reflect the true 48.84Wh.

The fuel gauge is jumping around — showing 60%, then 45%, then 70% within a few minutes of use. What's causing that?

The fuel gauge IC on LifeBook hardware calibrates its estimation model against discharge data from the previous cell. When a new cell goes in, the IC has no reference curve for it and interpolates badly — producing erratic percentage jumps under changing load. The fix is two full discharge-to-hibernate cycles followed by full uninterrupted charges. After two cycles the IC builds a new discharge profile for the replacement cell and the gauge stabilises. Do not interrupt either charge cycle or the calibration resets to zero.

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