• B31N1726 Laptop Battery Replacement for Asus TUF FX504 FX505 FX80 FX86 A15 A17 Series – 48Wh High-Performance Power
  • B31N1726 Laptop Battery Replacement for Asus TUF FX504 FX505 FX80 FX86 A15 A17 Series – 48Wh High-Performance Power
  • B31N1726 Laptop Battery Replacement for Asus TUF FX504 FX505 FX80 FX86 A15 A17 Series – 48Wh High-Performance Power
  • B31N1726 Laptop Battery Replacement for Asus TUF FX504 FX505 FX80 FX86 A15 A17 Series – 48Wh High-Performance Power
  • B31N1726 Laptop Battery Replacement for Asus TUF FX504 FX505 FX80 FX86 A15 A17 Series – 48Wh High-Performance Power
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    • Genuine B31N1726 Laptop Battery Compatible with Asus FX80 FX86 TUF FX504 FX504GE FX504GM FX505 FX505DT FX505DY FX505GE FX505GD FX505GM A15 FA506IU A17 FA706II Serie B31BnEH B31Bn91 A41LK9H 48Wh

    Genuine B31N1726 Laptop Battery Compatible with Asus FX80 FX86 TUF FX504 FX504GE FX504GM FX505 FX505DT FX505DY FX505GE FX505GD FX505GM A15 FA506IU A17 FA706II Serie B31BnEH B31Bn91 A41LK9H 48Wh

    $89.00
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    B31N1726 Replacement Battery for ASUS TUF Gaming FX504, FX505, A15 & A17 Series

     

    Power your gaming sessions without being tethered. This B31N1726 replacement battery is engineered to the original 48Wh specification for your ASUS TUF Gaming laptop. Ensure reliable power for gaming, streaming, and work with this guaranteed-compatible internal battery.

     

    Precision Compatibility
    This B31N1726 battery is a direct internal replacement for these ASUS TUF Gaming models:

    • ASUS TUF FX504 Series: FX504GE, FX504GM, FX504GD

    • ASUS TUF FX505 Series: FX505DT, FX505DY, FX505GE, FX505GD, FX505GM

    • ASUS TUF A15 Series: FA506IU, FA506IC, FA506II

    • ASUS TUF A17 Series: FA706II, FA706IU

    • Also compatible with: FX80, FX86

     

     Key Specifications & Part Numbers

    • Battery Model: B31N1726

    • Compatible Part Numbers: B31BNEH, B31BN91, A41LK9H

    • Capacity: 48 Wh

    • Voltage: 14.8 V (Critical for Gaming Laptop Compatibility)

    • Type: Li-Ion Battery (Internal)

    • Condition: Brand New, High-Quality Replacement

     

     Why Choose This Battery for Your TUF Laptop?

    • Stable Gaming Power: Provides the consistent voltage needed to prevent performance drops during intensive tasks.

    • Guaranteed Fit: Precision-engineered to match the original's form factor, ensuring a perfect physical and electrical connection.

    • Restore Mobility: The 48Wh capacity provides essential unplugged usage for productivity and entertainment.

    • Safe & Reliable: Built with integrated protection circuits to prevent overcharging and short circuits.

     

     Professional Installation Recommended
    ASUS TUF Gaming laptops have a complex internal design for optimal cooling.
    We strongly recommend having this replacement performed by a qualified technician to avoid damaging the motherboard or internal components.

     

     Installation Guide (For Reference)

    1. Power down the laptop and disconnect all cables.

    2. Remove the bottom panel by unscrewing the indicated screws.

    3. Locate the battery and disconnect its cable from the motherboard.

    4. Unscrew the battery from the chassis and remove it.

    5. Install the new B31N1726 battery, reconnect the cable, and reassemble.

     

    Frequently Asked Questions (FAQ)

    • Q: Is this compatible with the ASUS TUF A15 FA506IU?
      A: Yes, the B31N1726 is the correct battery for the A15 FA506IU model.

    • Q: How do I find my laptop's model number?
      A: Check the label on the bottom of your laptop or find it in Windows System Information.

    • Q: Will this work with an ASUS ROG or VivoBook model?
      A: No. This battery is specifically designed for the TUF Gaming series listed. ROG and VivoBook lines use different batteries.

    • Q: What's the capacity of this battery?
      A: This is a 48Wh battery, which is the standard capacity for these TUF Gaming models.

     

    Ready to Get Your Gaming Laptop Back on the Road?
    Order your B31N1726 replacement battery today and reclaim your laptop's mobility.

    Compatible Models (use "Ctrl+F to find your model quickly")

    • Fit for ASUS FX80 FX80G FX80GD FX80GE FX80GM FX86 FX86FE FX86FM Series;
    • Fit for ASUS TUF Gaming FX504GD FX504GE FX504GM Series;
    • Fit for ASUS TUF Gaming FX505DT FX505DV FX505DU FX505DY FX505GE FX505GD FX505GM Series;
    • Fit for ASUS TUF Gaming A15 FA506IU Series;
    • Fit for ASUS TUF Gaming A17 FA706II Series.

     

    Replacement for Part Number:

    B31N1726 / B31N1726-1 / B31BnEH / B31Bn91 / A41LK9H

    View full details

    • 1-Year Warranty


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    B31N1726 Replacement Battery for ASUS TUF Gaming FX504, FX505, A15 & A17 Series

     

    Power your gaming sessions without being tethered. This B31N1726 replacement battery is engineered to the original 48Wh specification for your ASUS TUF Gaming laptop. Ensure reliable power for gaming, streaming, and work with this guaranteed-compatible internal battery.

     

    Precision Compatibility
    This B31N1726 battery is a direct internal replacement for these ASUS TUF Gaming models:

    • ASUS TUF FX504 Series: FX504GE, FX504GM, FX504GD

    • ASUS TUF FX505 Series: FX505DT, FX505DY, FX505GE, FX505GD, FX505GM

    • ASUS TUF A15 Series: FA506IU, FA506IC, FA506II

    • ASUS TUF A17 Series: FA706II, FA706IU

    • Also compatible with: FX80, FX86

     

     Key Specifications & Part Numbers

    • Battery Model: B31N1726

    • Compatible Part Numbers: B31BNEH, B31BN91, A41LK9H

    • Capacity: 48 Wh

    • Voltage: 14.8 V (Critical for Gaming Laptop Compatibility)

    • Type: Li-Ion Battery (Internal)

    • Condition: Brand New, High-Quality Replacement

     

     Why Choose This Battery for Your TUF Laptop?

    • Stable Gaming Power: Provides the consistent voltage needed to prevent performance drops during intensive tasks.

    • Guaranteed Fit: Precision-engineered to match the original's form factor, ensuring a perfect physical and electrical connection.

    • Restore Mobility: The 48Wh capacity provides essential unplugged usage for productivity and entertainment.

    • Safe & Reliable: Built with integrated protection circuits to prevent overcharging and short circuits.

     

     Professional Installation Recommended
    ASUS TUF Gaming laptops have a complex internal design for optimal cooling.
    We strongly recommend having this replacement performed by a qualified technician to avoid damaging the motherboard or internal components.

     

     Installation Guide (For Reference)

    1. Power down the laptop and disconnect all cables.

    2. Remove the bottom panel by unscrewing the indicated screws.

    3. Locate the battery and disconnect its cable from the motherboard.

    4. Unscrew the battery from the chassis and remove it.

    5. Install the new B31N1726 battery, reconnect the cable, and reassemble.

     

    Frequently Asked Questions (FAQ)

    • Q: Is this compatible with the ASUS TUF A15 FA506IU?
      A: Yes, the B31N1726 is the correct battery for the A15 FA506IU model.

    • Q: How do I find my laptop's model number?
      A: Check the label on the bottom of your laptop or find it in Windows System Information.

    • Q: Will this work with an ASUS ROG or VivoBook model?
      A: No. This battery is specifically designed for the TUF Gaming series listed. ROG and VivoBook lines use different batteries.

    • Q: What's the capacity of this battery?
      A: This is a 48Wh battery, which is the standard capacity for these TUF Gaming models.

     

    Ready to Get Your Gaming Laptop Back on the Road?
    Order your B31N1726 replacement battery today and reclaim your laptop's mobility.

    Compatible Models (use "Ctrl+F to find your model quickly")

    • Fit for ASUS FX80 FX80G FX80GD FX80GE FX80GM FX86 FX86FE FX86FM Series;
    • Fit for ASUS TUF Gaming FX504GD FX504GE FX504GM Series;
    • Fit for ASUS TUF Gaming FX505DT FX505DV FX505DU FX505DY FX505GE FX505GD FX505GM Series;
    • Fit for ASUS TUF Gaming A15 FA506IU Series;
    • Fit for ASUS TUF Gaming A17 FA706II Series.

     

    Replacement for Part Number:

    B31N1726 / B31N1726-1 / B31BnEH / B31Bn91 / A41LK9H

    Battery Capacity 48Wh 4240mAh
    Voltage 11.4V
    Model No B31N1726
    Warranty 12 Months
    Note:  

    New lithium-ion batteries must be fully charged and fully discharged two to three times before being fully conditioned.

    Please note that the full capacity and life of a new lithium-ion battery is only achieved after 2 to 3 full charge and discharge cycles.

    After you have gone through 2 to 3 cycles, you never have to condition the battery again.

    12 months warranty + 30 days refund guarantee + 24 x 7 email support.
    If for any reason you are not completely satisfied, please contact us.

     Shipping Policy: 

    1.Item will be shipped within 24 hours during the business days after payment has 
     been received. (Saturday. & Holidays excluded)  
     
    2.Transit times are provided by the carrier, exclude weekends and holidays,
    and may vary with package origin and destination, particularly during peak periods.  
     
    3.We ship the item to PayPal shipping address. Please tell us your shipping address
    if it is different from the one in PayPal.     
             
    4.The tracking number will be given for the customer to check the shipping status online.   
     
    5.We are not responsible for any wrong or undeliverable addresses. We can't change the shipping address
     after the item has been sent out. Please verify and update your shipping address on PayPal during checkout.
     
    US Shipping:  USPS. (Normally 2-5 Business Days)
     
     Warranty Policy:
     
    1.A replacement will be provided for any defective or misrepresented products for the duration of
     the 1 year. A full refund can only be issued within 60 days.     
       
    2.If the return is due to the mistakes of buyers, for example, wrong purchase, no need of the batteries
     after transaction, or other artificial damages, the return shipping fee should paid by the buyer. 
     
    3.We can't receive if buyer return by yourselves according to the address on shipping package. 
     We won't solve such case and buyer should responsible for the consequences.Please contact with us before return the item.
     
    Contact us:
     
    1.We have always been trying to provide the best service and reliable products for every customer,
     if you have any doubt,you can email us immediately.         
     
    2.If you are not satisfied with our item or service,please don't hesitate to contact us before you leave any feedbacks
     or open a case.Negative feedback can't solve the problem,we should solve this problem together and cooperate each other,please trust us,we will give u satisfied solution.

    FAQ: B31N1726 Replacement Battery for Asus TUF Gaming FX504/FX505 & A15/A17 Series

    Q1: Is this battery compatible with my Asus TUF Gaming laptop?

    Yes, this B31N1726 battery is compatible with a wide range of Asus TUF Gaming and FX series models, including:

    • FX/TUF Series: FX80, FX86, FX504 (GE, GM), FX505 (DT, DY, GD, GE, GM)
    • TUF A-Series: A15 (FA506IU), A17 (FA706II)
    • Compatible Part Numbers: B31N1726, B31BnEH, B31Bn91, A41LK9H

    Q2: What are the technical specifications?

    This replacement battery matches original Asus specifications:

    • Asus Part Numbers: B31N1726, B31BnEH, B31Bn91, A41LK9H
    • Voltage: 15.4V
    • Capacity: 48Wh (Watt-hours)
    • Chemistry: Lithium-Ion
    • Configuration: 3-Cell

    Q3: Is this a genuine Asus battery?

    This is a high-quality genuine replacement battery manufactured to meet the exact specifications of the original Asus B31N1726 battery. It guarantees perfect compatibility and safe operation for your gaming laptop.

    Q4: How difficult is it to replace the battery myself?

    Battery replacement in these models requires basic to moderate technical skill:

    • Tools Needed: Precision Phillips screwdriver
    • Process: Remove the bottom panel to access the internal battery
    • Time Required: 15-20 minutes
    • Recommendation: Search for your specific model's disassembly guide online

    Q5: What warranty do you offer?

    We offer a 24-month warranty on this B31N1726 replacement battery.

    Q6: Will my laptop recognize this new battery correctly?

    Yes, the system will automatically recognize this compatible battery. For optimal performance:

    • Update your BIOS and drivers through MyAsus app
    • Allow 2-3 complete charge cycles for calibration
    • Use Asus Battery Health Charging software to optimize lifespan

    Q7: How can I maximize my new battery's lifespan?

    Gaming laptop battery care tips:

    • Use Asus Battery Health Charging in MyAsus app
    • Set charging limit to 60-80% for primarily AC use
    • Avoid gaming on battery power when possible
    • Keep the laptop well-ventilated during use

    Q8: My old battery is swollen. Is it safe to replace?

    A swollen battery requires immediate attention:

    • Power off immediately and disconnect from power
    • Professional help recommended for safe removal
    • Do not puncture or attempt to bend the battery
    • Recycle properly at designated e-waste facilities

    Q9: What is the 48Wh capacity suitable for?

    The 48Wh capacity provides:

    • Standard gaming laptop runtime for productivity
    • Adequate power for web browsing and office work
    • Portable computing sessions away from outlets
    • Emergency backup during power interruptions

    Q10: Why choose this battery over third-party alternatives?

    For your gaming laptop, this battery ensures:

    • Perfect Compatibility: Exact fit and connector alignment
    • Safety Certified: Over-charge and short-circuit protection
    • Reliable Performance: Stable power delivery for gaming components
    • Quality Assurance: Premium cells with comprehensive warranty

    ⚠️ Important Gaming Note
    For best gaming performance, keep your laptop plugged in during intensive sessions. Gaming on battery power may reduce performance and strain the battery.

    Need Compatibility Confirmation?
    Contact us with your laptop's model number (found on the bottom label) for guaranteed fit verification!

    Gaming Tip: Use Asus Battery Health Charging in the MyAsus app to set a charging limit when primarily using AC power. This significantly extends your battery's overall lifespan by reducing wear from constant 100% charging.

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