We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Rectangular black lithium-polymer laptop battery pack

POWER-FENG

POWER-FENG 33Wh 11.25V A31N1311 laptop battery

SKU CH-4GS3-WN1AN

33 Wh lithium-polymer battery at 11.25 V replaces Asus part A31N1311 for VivoBook F102B, F102BA, X102B and X102BA models

  • Battery typeLaptop Batteries
  • Product typeBattery
  • 33 Wh capacity extends usable runtime
  • 25 V output matches original specification
  • 2850 mAh Li-polymer cells hold charge reliably
  • Replaces Asus part A31N1311 directly
  • Compatible with VivoBook F102B, F102BA, X102B, X102BA

Replacement Battery for Asus VivoBook F102 and X102

This 33Wh lithium-polymer unit replaces the original A31N1311 pack in Asus VivoBook F102B, F102BA, X102B and X102BA models. It delivers 11.25V and 2850mAh in a black housing. The part is supplied new and matches the listed replacement part numbers.

Simple Swap with Basic Precautions

Installation requires opening the bottom case to access the battery bay and disconnecting the old pack before fitting the new one. The connector is keyed to prevent reverse insertion. Common issues include forgetting to detach the internal cable first or not seating the replacement flush against the mounting points.

For Owners of Specific VivoBook Models

This suits users needing a direct A31N1311 replacement for the named F102 and X102 series laptops. It is not for buyers whose machines use a different part number or voltage, nor for those requiring a higher capacity than 33Wh.

How it compares

Measured against everything we stock in Laptop Chargers & Batteries, at today’s prices. Recalculated every night.

Price $20.99
Cheaper than about 70% of the 27,790 comparable items (median $30.99).

Specifications

Product
Product typeBattery
Power
Battery typeLaptop Batteries

Questions about this item

How can I verify the 11.25V 33Wh battery is working correctly after installing it in my VivoBook X102BA?

After installation the operating system should report a full charge capacity near 33Wh and a design voltage of 11.25V; the battery icon must show charging and discharging normally without sudden percentage drops.

What comes in the package and do I need any extra tools or cables to fit the A31N1311 into an Asus F102BA?

The box contains the 33Wh 11.25V Li-polymer battery only; no screwdrivers, opening tools or additional cables are included so you must supply those yourself.

Which capacity version of the A31N1311 should I choose for a VivoBook F102B — is there a higher Wh option listed?

Only the 33Wh 2850mAh 11.25V version is listed for the A31N1311 part number; no alternative capacity is offered for these models.

More in Laptop Chargers & Batteries

Similar items