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Rectangular black laptop battery with label showing 11.4V 48Wh

PISKEKAT

PISKEKAT B31N1726 11.4V 48Wh laptop battery

SKU CH-4FAW-CS97F

Replacement Li-ion battery delivers 11.4 V and 48 Wh for compatible Asus TUF FX504, FX505 and A15 series notebooks

  • Battery TypeLaptop Batteries
  • Reliable power for compatible Asus laptops
  • 4V 48Wh capacity supports extended sessions
  • Li-ion chemistry delivers high energy density
  • Replaces part numbers B31N1726 B31BNEH B31BN91 A41LK9H
  • CE FCC RoHS certified for safety

B31N1726 11.4V 48Wh Li-ion replacement battery

This 11.4V 48Wh lithium-ion pack replaces the original B31N1726 unit in compatible Asus TUF Gaming and ROG laptops. It restores mobile runtime for owners of FX504, FX505, FX80, FX86, A15 FA506IU and A17 FA706II series machines. The cell chemistry delivers 4240mAh capacity for everyday work and gaming sessions.

Certified safety with broad model compatibility

The battery carries CE, FCC and RoHS certifications for electrical safety and environmental compliance. It fits the listed Asus part numbers B31N1726-1, B31BNEH, B31BN91 and A41LK9H without modification. High recycle life and energy density support repeated charge cycles over the service lifetime.

Direct swap for degraded or failed original packs

This unit replaces a worn B31N1726 battery that no longer holds sufficient charge or triggers shutdown under load. The upgrade is worth it when the original cell shows rapid capacity loss, swelling or sudden power-off during unplugged use. Buyers needing higher capacity than 48Wh or a different voltage must seek an alternative specification.

Highlights

  • Reliable power for compatible Asus laptops
  • 4V 48Wh capacity supports extended sessions
  • Li-ion chemistry delivers high energy density
  • Replaces part numbers B31N1726 B31BNEH B31BN91 A41LK9H
  • CE FCC RoHS certified for safety

Specifications

Battery TypeLaptop Batteries

Questions about this item

What voltage does the B31N1726 battery supply to the laptop?

It supplies 11.4V, matching the original specification for the listed Asus models.

Will this battery fit my Asus TUF Gaming FX505DT without modification?

Yes, it is designed as a direct replacement for the FX505 series including the DT model.

Do I need to calibrate the battery after installing it in my FX504GE?

Perform a full charge, then discharge to 5% and recharge once to calibrate the gauge.

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