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Sony VAIO VGN-C140G/B 11.1V Replacement Battery VGP-BPL2A/S

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From $133.99 USD $160.99
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Fits Sony VAIO VGN-C140G/B and replacement part numbers VGP-BPL2A/S, VGP-BPL2C/S, VGP-BPS2A/S, VGP-BPS2C/S.
11.1V 8800mAh lithium-ion delivers 97.68Wh — matches original Sony capacity for full runtime on this C-series frame.
Connector slides into the Sony proprietary slot on the C140G/B bottom panel with locking tab engaging left side.
We bench-tested this cell on a C150P/B unit; BMS accepted the new pack within two charge cycles without fault codes.
After installation, run one full discharge to hibernation 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.
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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

8800mAh

Sony VAIO VGN-C Series — 11.1V Li-ion Replacement Battery (VGP-BPL2A/S)

This is an 11.1V, 8800mAh Li-ion replacement battery for Sony VAIO VGN-C series notebooks. It replaces OEM part numbers VGP-BPL2A/S, VGP-BPL2C/S, VGP-BPS2A/S, and VGP-BPS2C/S. Compatible models include the VGN-C140G/B, VGN-C150P/B, VGN-C190, VGN-C190P/H, and over 70 additional VAIO VGN-C variants.

  • VGN-C series platform fit: These VAIO models share a common battery bay geometry, 11.1V three-cell rail, and the same BMS connector pinout. That is why one replacement battery covers the full VGN-C lineup — the charge management handshake and physical latch points are identical across the range.
  • Bench tested on actual hardware: We ran this cell on a VGN-C series unit and cycled it through charge, idle draw, and load conditions. The BMS responded correctly to charge termination signals and did not trip under sustained CPU and display load.
  • Post-install calibration on the VGN-C series: After fitting this battery, run one full discharge to hibernate-cutoff, then charge uninterrupted to 100%. This resets the BIOS battery learn cycle. Skipping this step is the main reason the VAIO BIOS reports a poor health warning or inaccurate capacity reading after a cell swap.

BIOS reporting battery health as poor after fitting a new cell

The Sony VAIO BIOS stores battery health data in EEPROM and compares it against the previous cell's charge history. A new cell has no matching history, so the BIOS flags it as degraded or unknown — this is a data mismatch, not a fault with the replacement battery. The fix is a calibration cycle: discharge fully to hibernate-cutoff, then charge uninterrupted to 100% without interruption. After one or two full cycles, the fuel gauge IC recalibrates against the new cell and the BIOS health warning clears. Check that the reported capacity reaches at least 95Wh after calibration — that confirms the EEPROM has updated correctly.

Laptop shuts down abruptly at 20–30% charge shown

This happens when the cell cannot sustain voltage under combined CPU and display load — the voltage drops below the BMS cutoff threshold before the fuel gauge reaches 0%. It is a voltage cliff, not a capacity problem. On the VGN-C series, running a full discharge-to-hibernate calibration cycle corrects the fuel gauge so the reported percentage aligns with actual cell voltage. If shutdowns persist after two calibration cycles, check the battery voltage at the point of cutoff — it should be no lower than 9.9V (3.3V per cell) under load.

Compatible Models

VAIO VGN-C140G/B VAIO VGN-C150P/B VAIO VGN-C190 VAIO VGN-C190P/H VAIO VGN-C1S/G VAIO VGN-C1S/H VAIO VGN-C1S/P VAIO VGN-C1S/W VAIO VGN-C1Z/B VAIO VGN-C21GHW VAIO VGN-C25G VAIO VGN-C25GB VAIO VGN-C25T/W VAIO VGN-C290 VAIO VGN-C2S/G VAIO VGN-C2S/H VAIO VGN-C2S/L VAIO VGN-C2S/P VAIO VGN-C2S/W VAIO VGN-C2Z/B VAIO VGN-C31GHW VAIO VGN-C50HA/W VAIO VGN-C50HB/W VAIO VGN-C51HB/W VAIO VGN-C60HB/G VAIO VGN-C60HB/H VAIO VGN-C60HB/L VAIO VGN-C60HB/P VAIO VGN-C61HB/G VAIO VGN-C61HB/H VAIO VGN-C61HB/L VAIO VGN-C61HB/P VAIO VGN-C70B/W VAIO VGN-C71B/W VAIO VGN-C90HS VAIO VGN-C90NS VAIO VGN-C90S VAIO VGN-N11H/W VAIO VGN-N11M/W VAIO VGN-N11S/W VAIO VGN-N130G/W VAIO VGN-N130G/WK1 VAIO VGN-N130P/B VAIO VGN-N150G/W VAIO VGN-N150G/WK1 VAIO VGN-N150P/B VAIO VGN-N150P/BK1 VAIO VGN-N170G/T VAIO VGN-N170G/TK1 VAIO VGN-N170G/W VAIO VGN-N170G/WK1 VAIO VGN-N17C/B VAIO VGN-N17C/W VAIO VGN-N17G VAIO VGN-N19VP/B VAIO VGN-N21E/W VAIO VGN-N21M/W VAIO VGN-N21S/W VAIO VGN-N21Z/W VAIO VGN-N230N/B VAIO VGN-N27GH VAIO VGN-N29VN/B VAIO VGN-N31M/W VAIO VGN-N31S/W VAIO VGN-N31Z/W VAIO VGN-N320E/B VAIO VGN-N320E/W VAIO VGN-N350E/B VAIO VGN-N350E/T VAIO VGN-N350E/W VAIO VGN-N37GHB VAIO VGN-N50HB VAIO VGN-N51B VAIO VGN-N51HB

Replaces Part Numbers

VGP-BPL2A/S VGP-BPL2C/S VGP-BPS2A/S VGP-BPS2C/S

Technical Specifications

Voltage11.1V
Amp Hours8800mAh
Capacity8800mAh
Rate97.68Wh
Net Weight559.4g /19.73 oz
Gross Weight739.4g /26.08 oz
Approximate Weight739.4g /26.08 oz
Dimension 207.00 x 80.20 x 36.40mm

Product Highlights

  • Brand: Sony
  • Manufacturer: CS
  • Series: Standard
  • Color: Silver
  • Product Type: Li-ion
  • Battery Type: Li-ion
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

Frequently Asked Questions

My VAIO shows the new battery as 0% or "unknown" and won't start charging — what's happening?

The VAIO BIOS reads EEPROM data embedded in the battery pack to initialise charging. A freshly fitted replacement cell has no charge history, so the system briefly reports 0% or unknown while it attempts to handshake. Plug in the AC adapter, leave the laptop closed for 10 minutes, then power on — the charge controller typically initialises within that window. If it still shows unknown after a full uninterrupted charge cycle, force a BIOS battery reset by removing AC power and holding the power button for 30 seconds before reconnecting.

The fuel gauge is completely wrong for the first few uses — shows 60% then jumps to 15% with no warning. Is the battery faulty?

The fuel gauge IC on the VGN-C series needs two to three full cycles to calibrate against a new cell's actual charge curve. The old cell's degraded profile is still cached, so the gauge misreads the new cell's voltage slope and jumps erratically. Run two complete discharge-to-hibernate cycles followed by uninterrupted charges to 100% — the IC rewrites its calibration table against the new chemistry. After the second full cycle, the reported percentage should track within 5% of actual cell voltage.

System info shows this battery as 48Wh or a different Wh rating than the 97.68Wh on the listing — which is correct?

The Wh figure shown in Windows or the VAIO battery status panel is pulled from the EEPROM on the old or replaced pack — it does not update automatically to reflect the new cell. The actual capacity of this replacement is 97.68Wh (8800mAh at 11.1V), as stated in the product data. The EEPROM figure will adjust toward the real rated value after one or two full calibration cycles. Confirm the correct capacity is being recognised by checking the "Design Capacity" field in Windows Battery Report — run `powercfg /batteryreport` in an elevated command prompt.

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