Battery for ASUS SF4100F C31N1733 TP412U TP412UA TP412FA 11.55V 42Wh, High Capacity, 1-Year Warranty

**Product Overview**
This high-performance replacement battery is specifically designed for ASUS ZenBook Flip 14 series laptops, including models SF4100F, TP412U, TP412UA, and TP412FA. It replaces the original ASUS battery part number C31N1733 with the exact same voltage ( 11.55V ) and capacity (42Wh/3800mAh), ensuring seamless compatibility and reliable power delivery.

**Important Voltage Warning**
Please confirm your original battery voltage is 11.55V before purchasing. Using an incorrect voltage battery may cause system instability or damage to your device. If your original battery has a different voltage (e. g., 7.6V or 14.8V ), this product is NOT compatible.

**Compatible Models & Part Numbers**
- ASUS ZenBook Flip 14: SF4100F, TP412U, TP412UA, TP412FA
- Original Battery Part Number: C31N1733
- Also compatible with: C31N1733-1, C31N1733-2 (please verify your model)

**Specifications**
| Parameter | Value |
|-----------|-------|
| Battery Type | Lithium-Ion (Li-ion) |
| Voltage | 11.55V |
| Capacity | 42Wh / 3800mAh |
| Cell Count | 3 cells |
| Color | Black |
| Weight | Approx. 220g |
| Warranty | 12 Months |

**Comparison Table**
| Feature | Our Battery | Generic/Cheap Alternatives |
|---------|-------------|----------------------------|
| Voltage Accuracy | 11.55V ± 0.1V | Often ± 0.5V or mismatched |
| Capacity | 42Wh (100% rated) | May be lower (e. g., 30Wh) |
| Safety Certifications | CE, RoHS, FCC | Often uncertified |
| Cell Quality | Grade A cells | Recycled or unknown cells |
| Warranty | 12 months | Usually 3-6 months |

**Installation Tips**
1. Power off your laptop and disconnect the AC adapter.
2. Remove the bottom panel screws (refer to your laptops service manual).
3. Disconnect the old battery cable and remove the battery.
4. Insert the new battery, connect the cable, and replace the panel.
5. Charge the battery fully before first use for optimal performance.
6. If your laptop does not recognize the battery, try
a hard reset: unplug AC, remove battery, hold power button for 30 seconds, then reinstall.

**Package Includes**
- 1 x Replacement Battery

- 1 x Installation Guide (digital copy available upon request)

**Note**
This is a third-party replacement battery, not an original ASUS product. It is fully tested to meet or exceed OEM specifications. For any issues, please contact our support team within 30 days for a free replacement or refund.