Sony VAIO VGP-BPL2 Replacement Battery 11.1V 8800mAh
Check that your old battery model number and device model to match our description. This makes sure they work together.
We ship your order same day if you buy it before 4 PM EST.
Sony VAIO VGP-BPL2 Replacement Battery 11.1V 8800mAh - is backordered and will ship as soon as it is back in stock.
Let customers speak for us
Send Your Battery Photo
Expert Technician Help
Snap a photo or video of your battery and send it to us. We'll identify the exact replacement—fast and hassle-free. Our team has helped thousands of customers find the right battery quickly and easily.
POST YOUR BATTERY IMAGE
Product & Solutions Expert
✉ sales@batteryweb.com
Battery Care Tips
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
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
⚠️ 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.
Sony VAIO VGP-BPL2 Replacement Battery 11.1V 8800mAh - is backordered and will ship as soon as it is back in stock.
Voltage
11.1V
Amp
8800mAh
Sony VAIO VGN-C15GPB Series — 11.1V Li-ion Replacement Battery (VGP-BPL2)
This is an 11.1V, 8800mAh Li-ion replacement battery for the Sony VAIO VGN-C15GPB and a wide range of VAIO notebooks including the VGN-SZ13C/B, VGN-C50HA/W, and VGN-FE630. It replaces OEM part numbers VGP-BPL2, VGP-BPL2C, VGP-BPS2, VGP-BPS2A, VGP-BPS2B, and VGP-BPS2C. Capacity is 8800mAh (97.68Wh), matching or exceeding original factory specifications.
- VAIO VGN-C, VGN-SZ, and VGN-FE platform fit: These series share the same 11.1V three-cell voltage rail, identical connector pinout, and compatible BMS communication protocol — which is why a single OEM part number covers all of them. The BMS handshake on each model reads cell voltage and thermistor data through the same interface, so no adapter or firmware patch is needed.
- Bench tested on actual hardware: We ran this cell through full charge and discharge cycles on a VAIO-platform notebook. The BMS accepted the new cell without tripping protection, reported state-of-charge correctly through the SMBus interface, and held stable voltage through simulated CPU and display load spikes.
- Post-install calibration on VAIO notebooks: After fitting this battery, run one full discharge to hibernate cutoff, then charge uninterrupted to 100%. This resets the BIOS battery learn cycle and clears the inaccurate health or capacity warning that the system logs after any cell swap.
BIOS reporting battery health as poor immediately after installation
Sony VAIO firmware stores battery health data in EEPROM on the old cell. When a new cell is installed, the BIOS compares live readings against that cached data and flags a mismatch as poor health. This is a firmware bookkeeping issue, not a fault with the replacement cell. Running one full discharge-to-hibernate followed by a full uninterrupted charge resets the learn cycle. After two to three complete cycles, the BIOS recalibrates and the health warning clears.
Laptop shuts down abruptly at 20–30% charge shown on the fuel gauge
This happens when the fuel gauge IC was calibrated against the old, degraded cell and has not yet recalibrated to the new one. The gauge shows 20–30% remaining, but the underlying voltage has already dropped below the BMS cutoff threshold under full CPU and display load — causing an instant shutdown. The fix is a full calibration cycle: discharge the laptop to automatic hibernate, then charge without interruption to 100%. Repeat this two to three times until the gauge tracks accurately down to below 10% before shutdown.
Compatible Models
Replaces Part Numbers
Technical Specifications
Product Highlights
- Brand: Sony
- 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 VAIO shows the wrong Wh rating in system info after I put in the new battery — is something wrong with the cell?
Nothing is wrong with the cell. The Wh figure displayed in VAIO system information is pulled from EEPROM data written by the original factory battery, not measured from the new cell in real time. The replacement stores its own rated Wh value, which the BIOS reads and displays — if that differs from what was there before, the system flags it as a discrepancy. Run one full calibration cycle (discharge to hibernate, then charge uninterrupted to 100%) and the reported figure will align with the actual cell chemistry.
The fuel gauge is jumping around wildly — it reads 60%, then 80%, then 45% within a few minutes of unplugging.
The fuel gauge IC on VAIO notebooks uses a learned model of the cell's charge curve to estimate remaining capacity. After a cell swap, that model is stale — it was built from the old, degraded cell and does not match the new one. The erratic readings are the IC recalculating on the fly against data that no longer applies. Run two to three full discharge-to-hibernate and uninterrupted full-charge cycles, and the gauge IC will rebuild an accurate model against the new cell's actual voltage curve.
My VAIO charges the new battery to exactly 80% and then stops — the indicator light goes green and charging doesn't resume.
Some Sony VAIO BIOS versions include a battery care or charge limit setting that caps charging at 80% to reduce cell stress during long AC-connected sessions. This is a firmware control, not a fault with the replacement cell. Check VAIO Control Center or VAIO Care under the battery settings section — look for "Battery Care Function" or "Charge Mode" and switch it to maximum charge or 100%. Disable that setting and the battery will charge to 11.1V full capacity.
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
