Battery for ASUS FX80G FX86F/G FX95G/D FX504G FX505G Series 15.4V 48Wh B31N1726, High Capacity Li-ion Laptop Battery [Compatible Models & 30-Day Warranty]

**Product Overview**
Upgrade or replace your worn-out ASUS laptop battery with this high-performance 15.4V 48Wh Li-ion battery, designed specifically for the FX series gaming laptops. Whether youre in the middle of a competitive match, working on a project, or watching movies, this battery delivers consistent power to keep you going. It is a direct replacement for the original B31N1726 battery, ensuring a perfect fit and reliable performance.

** Important Voltage Warning**
Please verify that your original battery voltage is ** 15.4V ** (not 11.4V or 14.8V ). Using an incorrect voltage battery may cause system instability, charging failure, or hardware damage. Check the label on your old battery or your laptops specifications before ordering.

**Compatible Laptop Models (Not All Configurations) **
- ASUS FX80G Series (FX80GE, FX80GM, etc. )
- ASUS FX86F / FX86G Series
- ASUS FX95G / FX95D Series
- ASUS FX504G / FX504GD / FX504GE Series
- ASUS FX505G / FX505GD / FX505GE Series
*Note: Please confirm your laptop model and battery part number (B31N1726) to ensure compatibility. *

**Battery Specifications**
| Parameter | Value |
|-----------|-------|
| Battery Type | Li-ion |
| Voltage | 15.4V |
| Capacity | 48Wh (typical) |
| Part Number | B31N1726 |
| Color | Black |
| Cell Quantity | 4 cells |
| Weight | Approx. 250g |
| Dimensions | 270 x 70 x 5.5 mm (approx. ) |

**Comparison: Original vs. Replacement**
| Feature | Original ASUS Battery | Our Replacement Battery |
|---------|----------------------|------------------------|
| Voltage | 15.4V | 15.4V (exact match) |
| Capacity | 48Wh | 48Wh (same as OEM) |
| Safety | Standard protection | Overcharge/discharge/short circuit/over-temp protection |
| Warranty | Limited | 30-day money-back guarantee |
| Price | High | Affordable & cost-effective |

**Installation Tips**
1. **Power off** your laptop and unplug the AC adapter.
2. Remove the bottom panel screws (refer to your laptops service manual).
3. Disconnect the old battery cable and lift it out.
4. Insert the new battery, connect the cable, and secure the panel.
5. Charge the battery fully before first use for optimal performance.
*Note: If you are not experienced with hardware installation, please seek professional assistance. *

**Package Includes**
- 1 x Replacement Battery (B31N1726)
- 1 x Screw Kit (if needed, varies by model)

**Warranty & Support**
We stand behind our product with a 30-day money-back guarantee and responsive customer service. If you have any questions about compatibility or installation, feel free to contact us.

**Order with Confidence** Your ASUS FX series laptop will thank you!