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Black rectangular lithium-polymer laptop battery for Asus Vivobook S15

POWER-FENG

POWER-FENG 42Wh B31N1729 battery for Asus Vivobook S15 S530 S530UA S530UN

SKU CH-4VYB-3HSW1

42 Wh lithium-polymer replacement battery at 11.52 V for Asus Vivobook S15 S530 series laptops

  • Battery typeLaptop Batteries
  • Product typeBattery
  • Li-polymer chemistry delivers stable discharge cycles
  • 52V operating voltage matches original specification
  • 42Wh capacity restores full runtime for Vivobook S15
  • Direct replacement for B31N1729 part number
  • Fits S530, S530UA, S530UN, X530F and X530UN models

Direct Replacement Battery

The POWER-FENG B31N1729 is a new lithium-polymer battery built to replace the original pack in compatible Asus Vivobook S15 and X530 series notebooks. It restores mobile power for users whose factory battery no longer holds a charge.

For Asus Vivobook S15 and X530 Owners

This unit suits owners of the listed S530, S5300, X530F, X530FN and X530UN models who need a direct-fit replacement. Buyers with other laptop lines or different Asus part numbers should look elsewhere.

42Wh at 11.52V

The pack is rated at 42Wh and 11.52V, matching the electrical specification required by the supported models. Confirm that your original battery carries part number B31N1729 before ordering.

How it compares

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

Price $52.99
Pricier than about 84% of the 27,790 comparable items (median $30.99).

Specifications

Product
Product typeBattery
Power
Battery typeLaptop Batteries

Questions about this item

How do I install the 42Wh B31N1729 battery in my Vivobook S15 S530UA and what step do people often miss?

Power off, unplug the charger, remove the bottom screws, disconnect the old battery cable before removing it, connect the new 11.52V pack, then reassemble.

What maintenance will this 365mAh Li-polymer pack need later?

No scheduled maintenance is required; replace the pack when runtime drops below your needs.

What limit appears first during sustained use of this 11.52V replacement?

The 42Wh capacity determines maximum runtime per charge; thermal throttling of the laptop may reduce performance before the battery itself limits output.

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