Sale!

B31N1726 Laptop Battery for ASUS TUF FX504 FX505 A15 A17 Series – 48Wh Replacement Battery

Original price was: $199.00.Current price is: $69.99.

& Free Shipping

Get your Asus TUF FX laptop running like new! The B31N1726 48Wh replacement battery delivers reliable power for FX504, FX505, FX80, FX86, A15 & A17 models. Free shipping & 12-month warranty. Order now!

Guaranteed Safe Checkout
, ,
Service Promise
Rate this product

B31N1726 Laptop Battery for ASUS TUF FX & A-Series – Reliable Power, Long Runtime

Get your ASUS TUF gaming laptop back to full power with the B31N1726 Replacement Battery, perfectly compatible with a wide range of models including ASUS FX80, FX86, FX504, FX505, A15 (FA506IU), and A17 (FA706II). Built with premium lithium-ion cells, this 48Wh battery offers stable, long-lasting performance and safe operation — ideal for gamers, creators, and professionals alike.

Engineered to meet or exceed original OEM standards, it ensures reliable charging cycles, efficient energy output, and protection from overcharge, overheating, and short-circuiting. Whether you’re upgrading or replacing your old battery, this high-quality option delivers the best balance of performance, safety, and value.


Specifications

  • Model: B31N1726

  • Voltage: 11.4V

  • Capacity: 48Wh / 4200mAh

  • Cell Type: High-grade Li-ion cells

  • Compatible Models: ASUS FX80, FX86, FX504, FX504GE, FX504GM, FX505, FX505DT, FX505DY, FX505GE, FX505GD, FX505GM, A15 FA506IU, A17 FA706II series, and more.

  • Replacement Part Numbers: B31BnEH, B31Bn91, A41LK9H


This B31N1726 replacement laptop battery for ASUS TUF FX504, FX505, A15 FA506IU, and A17 FA706II series is designed to restore your laptop’s original performance and mobility. With a 48Wh capacity, it provides consistent power output, extended runtime, and dependable stability for gaming, work, and everyday use. Built with high-quality lithium-ion cells and advanced safety protection, this battery ensures reliable charging cycles and long service life.


Why Buy This Battery?

  • Restore full mobility to your ASUS laptop and enjoy unplugged productivity.

  • Save money with a high-quality alternative to OEM replacements.

  • Eco-friendly and reliable, passing strict quality control and safety standards.

  • Perfect for TUF gamers, students, and professionals needing consistent performance on the go.

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

Model No

B31N1726

Voltage

11.4V

Capacity

48Wh 4240mAh

Replace Part Number

B31N1726 3ICP7/60/80 0B200-02910000 0B200-02910200 B31BN91 B31N1726-1.

Fully compatible and high stability

Fit for Asus fx505d battery,Fit for Asus fx504ge battery,Fit for Asus tuf fx505du battery,FX80 FX80G FX80GD FX80GE FX80GM FX86 FX86FE FX86FM, TUF Gaming FX504GD FX504GE FX504GM FX505DT FX505DV FX505DU FX505DY FX505GE FX505GD FX505GM, A15 FA506IU, A17 FA706II Series Notebook.

Reviews

There are no reviews yet.

Be the first to review “B31N1726 Laptop Battery for ASUS TUF FX504 FX505 A15 A17 Series – 48Wh Replacement Battery”

Your email address will not be published. Required fields are marked *

Rate this product

FAQ – B31N1726 Laptop Battery Compatible with Asus FX80 FX86 TUF FX504 FX505 A15 FA506IU A17 FA706II Series (48Wh High-Performance Replacement)

Q1: Is this B31N1726 battery fully compatible with my Asus laptop model?
 Yes! The B31N1726 replacement battery is perfectly compatible with Asus TUF Gaming and FX series laptops, including FX80 / FX86 / FX504 / FX504GE / FX504GM / FX505 / FX505DT / FX505DY / FX505GE / FX505GD / FX505GM / A15 FA506IU / A17 FA706II.
It also replaces B31BnEH, B31Bn91, and A41LK9H battery models — offering a seamless fit and hassle-free installation.


Q2: What are the key specifications of the B31N1726 laptop battery?
 Voltage: 11.4V
 Capacity: 48Wh (High-Energy Density Cells)
 Type: Li-ion (Rechargeable, Grade A Cells)
This combination ensures stable power output, longer runtime, and superior durability for gaming, streaming, and multitasking.


Q3: How long does the B31N1726 replacement battery last on a single charge?
On average, you can expect up to 4–6 hours of continuous use depending on settings and workload. The high-quality cells reduce self-discharge and extend battery lifespan — delivering reliable power even after hundreds of cycles.


Q4: Why choose this replacement instead of an original Asus battery?
 Because it delivers OEM-level performance at a much better price. Every B31N1726 battery undergoes strict quality testing for:

  • Overcharge and overheat protection

  • Short-circuit prevention

  • Long-cycle stability and safety
    It’s a cost-effective, eco-friendly, and reliable upgrade for your Asus TUF gaming laptop.


Q5: Is installation difficult?
Not at all! The battery comes with a plug-and-play design — no need for professional help. Just remove the old battery, connect this new one, and enjoy renewed runtime instantly.


Q6: Does this battery come with a warranty?
Yes, the B31N1726 replacement battery is backed by a 12-month warranty and 30-day money-back guarantee. You can buy with full confidence — we stand behind our product quality.


Conclusion

If your Asus TUF or FX series laptop drains too fast, the B31N1726 48Wh replacement battery is the best value-for-money solution — balancing power, safety, and affordability.
👉 Restore your laptop’s performance today and enjoy longer playtime!

Disclaimer:
All batteries sold on replacementbatterymall.com are replacement parts. replacementbatterymall.com doesn't affiliate with any of the original manufacturers. Any registered trademarks or model names listed above are identified as purposes of showing compatibility only.
Shopping Cart