Description
Product Information
- Item Condition: Brand New
- Color: Black
- Capacity: 3280 mAh / 36 Wh
- Output Voltage (Volts): 11.1 Volt
- Number of Cells: 3 Cells
- Package Included: 1 x Battery for Acer
- Warranty: 12 Months / 30-Day Return
Compatible Part Numbers (not all):
Acer AP11D3F,Acer AP11D4F,Acer BT.00303.026,Acer BT.00304.010,Acer BT00303026,
Compatible Laptop Models Series (not all):
Acer Aspire S3-331,Acer Aspire S3-331-987B4G50Add,Acer Aspire S3-371,Acer Aspire S3-371-53334G50add,Acer Aspire S3-391,Acer Aspire S3-391-33214G52add,Acer Aspire S3-391-53314G12add,Acer Aspire S3-391-53314G52add,Acer Aspire S3-391-53314G52add W,Acer Aspire S3-391-73514G12add,Acer Aspire S3-391-73514G12add W,Acer Aspire S3-391-73514G25add,Acer Aspire S3-951,Acer Aspire S3-951-2464G24iss,Acer Aspire S3-951-2464G25nss,Acer Aspire S3-951-2464G34iss,Acer Aspire S3-951-2634G24iss,Acer Aspire S3-951-2634G52iss
High-Quality AP11D3F Battery Replacement for Acer Aspire S3 Series
Give your classic Acer Aspire S3 Ultrabook a new lease on life. Our AP11D3F replacement battery is specifically designed for the sleek S3-391, S3-951, and S3-371 series. Whether you’re working on the go or relaxing at home, this 36Wh battery restores the reliable, untethered power you expect from your Acer device.
Key Benefits & Features:
- Perfect Fit for S3 Ultrabooks: Precision-engineered for the ultra-slim chassis of the Acer Aspire S3-391 and S3-951, ensuring seamless internal installation.
- Steady 11.1V Power: Delivers consistent voltage to protect your laptop’s legacy hardware and ensure stable performance under varied workloads.
- Premium Grade-A Cells: Features high-density 3280mAh cells with zero cycles, offering the best possible capacity and safety for older laptop models.
- Built-in Safety Protection: Advanced circuitry guards against overcharging, overheating, and short circuits, keeping your classic device safe.
Technical Specifications:
| Model Number | AP11D3F / AP11D4F |
| Voltage | 11.1V |
| Capacity | 36Wh / 3280mAh |
| Cell Type | Li-Polymer (3 Cells) |
Detailed Compatibility:
Fits Acer Aspire S3 Ultrabook Models:
- S3-391 Series: S3-391-33214G52add, S3-391-53314G12add, S3-391-73514G52add
- S3-951 Series: S3-951-2464G24iss, S3-951-2464G34iss, S3-951-2634G52iss
- S3-331 & S3-371 Series: S3-331-987B4G50Add, S3-371-53334G50add
Replacement Part Numbers: AP11D3F, AP11D4F, BT.00303.026, BT.00304.010, BT00303026
Tech Tip: The Acer Aspire S3 uses an internal battery. If your laptop only works while plugged into the AC adapter or shuts down randomly, the AP11D3F battery has likely reached the end of its life. Replacing the battery can also help reduce the heat generated by the laptop during charging cycles.
Frequently Asked Questions
Q: Is the AP11D3F compatible with the AP11D4F?
A: Yes, they are the same battery model with different internal codes. Our AP11D3F is a direct replacement for both, ensuring 100% compatibility with your Acer Aspire S3.
Q: My Aspire S3-391 isn’t holding a charge. Will this fix it?
A: Absolutely. Most power issues in the S3 series are caused by aging Li-Polymer cells. A new battery will restore the 4-6 hours of portable use you enjoyed when the laptop was new.
Q: How long is the warranty?
A: We provide a 12-month warranty and a 30-day return policy to ensure your satisfaction and the long-term health of your Ultrabook.






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