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Toshiba Satellite L900 14.8V Replacement Battery PA5076R

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From $95.99 USD $115.99
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Fits Toshiba Satellite L900, L950, L955 series; replaces PA5076R-1BRS, PA5076U-1BRS, PA5077U-1BRS, PABAS268, PABAS269.
14.8V 2200mAh lithium-ion delivers 32.56Wh to sustain the Satellite L900 CPU and display under full load without voltage sag.
Connector slides into the battery bay with a single locking tab; orientation is keyed — the pack seats flush against the chassis wall.
We bench-tested this cell on a Satellite L950 dock charger; the BMS accepted the charge cycle without fault codes and held 14.8V under 2A discharge.
After installation, run one complete discharge to hibernate-cutoff then charge uninterrupted to 100% — this resets the BIOS battery learn cycle and clears inaccurate 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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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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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

14.8V

Amp

2200mAh

Toshiba Satellite L900 / L950 Series — 14.8V Li-ion Replacement Battery (PA5076R-1BRS)

This is a 14.8V, 2200mAh (32.56Wh) Li-ion replacement battery for the Toshiba Satellite L900, L950, L955, and L955D series laptops. It matches the original cell format, connector, and BMS communication spec for these notebooks. OEM part numbers covered include PA5076R-1BRS, PA5076U-1BRS, PA5077U-1BRS, PABAS268, and PABAS269.

  • Satellite L900 and L950 series fit: These models share the same 14.8V four-cell Li-ion architecture, identical battery bay dimensions, and the same SMBUS handshake protocol — which is why one cell covers the full range without modification.
  • Bench tested on actual hardware: We cycled this cell through charge and discharge on Satellite L950 hardware. The BMS completed a full charge sweep without interruption, and the protection circuit tripped correctly at the low-voltage floor — no spurious cutoffs.
  • First-cycle reset after install: After fitting this battery, run the laptop down to hibernate cutoff on battery alone, then charge uninterrupted to 100%. This clears the BIOS battery learn cycle and resets the fuel gauge IC against the new cell's actual capacity — skipping it causes the health warning that shows up after most cell swaps.

Why the Satellite L900 shuts down at 20–30% after a battery swap

The Satellite L900's BIOS tracks battery state using stored discharge curves from the previous cell. When a new cell goes in, those curves no longer match the actual voltage profile of the replacement. Under full CPU and display load, the laptop hits a voltage drop the BIOS interprets as empty — even though the fuel gauge still reads 20–30%. Running two full discharge-to-hibernate and uninterrupted charge cycles recalibrates the fuel gauge IC and clears the mismatch. After calibration, the cutoff point aligns with actual cell depletion around 14.4–14.6V under load.

BIOS reporting battery health as "poor" or "replace" immediately after install

The Satellite's BIOS reads health data from the battery's EEPROM, which on a new replacement cell defaults to a conservative factory-state value — not a degraded reading. The BIOS compares this against its own tracked cycle history from the old battery and flags a mismatch as poor health. This is not a fault with the replacement cell. Run the full discharge-to-hibernate cycle once, then charge to 100% without interruption, and the BIOS will rewrite its baseline — the warning clears on the next boot.

Compatible Models

Satellite L900 Satellite L950 Satellite L955 Satellite L955D Satellite S900 Satellite S950 Satellite S950D Satellite S955 Satellite S955D Satellite U845 Satellite L950-014 Satellite L950D Satellite L950D-00L Satellite L950D-00M Satellite L950D-100 Satellite L955-S5142NR Satellite L955-S5152 Satellite L955-S5330 Satellite L955-S5360 Satellite L955-S5362 Satellite L955-S5370 Satellite L955-S5370N Satellite L955-SP5301WL Satellite L955D-10F Satellite L955D-S5140NR Satellite L955D-S5142NR Satellite L955D-S5364 Satellite S955-DS5374 Satellite S955-S5166 Satellite S955-S5373 Satellite S955-S5376 Satellite S955D-S5150 Satellite S955D-S5374 Satellite Satellite U940-101 Satellite Satellite U940-10C Satellite U845-S402 Satellite U845-S404 Satellite U845-S406 Satellite U900 Satellite U900-T01S Satellite U900-T02S Satellite U900-T09S Satellite U900-T10S Satellite U900-T12S Satellite U940 Satellite U940-00R Satellite U940-00S Satellite U940-01H Satellite U940-01K Satellite U940-01R Satellite U940-025 Satellite U940-100 Satellite U940-102 Satellite U940-103 Satellite U940-104 Satellite U940-108 Satellite U940-10F Satellite U940-10M Satellite U940-10N Satellite U940-10P Satellite U940-10U Satellite U940-112 Satellite U940-117 Satellite U940-11F Satellite U940-11N Satellite U940-11U Satellite U940-SP4301GL Satellite U940-SP4362SM Satellite U945 Satellite U945-S4110 Satellite U945-S4130 Satellite U945-S4140 Satellite U945-S4380 Satellite U945-S4390 Satellite U945-ST4N02 Satellite U945D Satellite U955

Replaces Part Numbers

PA5076R-1BRS PA5076U-1BRS PA5077U-1BRS PABAS268 PABAS269

Technical Specifications

Voltage14.8V
Amp Hours2200mAh
Capacity2200mAh
Rate32.56Wh
Net Weight206g /7.27 oz
Gross Weight476g /16.79 oz
Approximate Weight476g /16.79 oz
Dimension 276.80 x 33.10 x 20.30mm

Product Highlights

  • Brand: Toshiba
  • 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 Satellite L950 shows the correct charge percentage for a few minutes then jumps to a completely different number — is the battery faulty?

The fuel gauge IC inside the laptop needs calibration cycles against the new cell's actual discharge curve. On a fresh replacement, the IC is still referencing the old cell's data, so the reported percentage drifts until it gathers real readings. Run two full discharge-to-hibernate cycles followed by uninterrupted charges to 100% each time. After the second cycle, the gauge stabilises and tracks accurately.

Windows shows this battery's Wh rating as something different from the 32.56Wh spec — why does the system info disagree?

The Wh figure Windows reads comes from the EEPROM embedded in the battery pack, which stores the manufacturer's rated design capacity. That figure can differ slightly from the actual measured capacity of the new cells inside the pack due to chemistry tolerances and how Toshiba's firmware rounds the stored value. The discrepancy is normal and does not affect charge behaviour. Check the voltage reading in HWMonitor or BatteryInfoView instead — it should read between 16.6V and 16.8V at full charge on this 14.8V nominal pack.

The new battery charges fine but the Satellite L900 pulls noticeably more heat from the base while charging than the original ever did — is something wrong?

A new Li-ion cell has higher internal resistance until it completes its first few charge cycles, which causes slightly elevated heat transfer during the constant-current phase of charging. This is normal for the first two to three cycles and reduces as the cell's electrodes settle. Keep the laptop on a hard flat surface during these initial charges so the base vents are unobstructed. If the heat persists beyond three full cycles, check that the charge controller isn't stuck in fast-charge mode — verify in Toshiba System Settings that eco-charge mode is not disabled.

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