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Rectangular black lithium-ion laptop battery pack, 160g

KingSener

KingSener C31N1843 laptop battery 42WH 11.55V for ASUS VivoBook S14 S432 S15 S532

SKU CH-BTR0-ZAP73 MPN C31N1843

42 Wh lithium-ion replacement battery at 11.55 V for ASUS VivoBook S14 and S15 models

  • Battery typeLithium-Ion
  • Battery voltage rating11.55 V
  • Battery capacity3,550 mAh
  • Product colorBlack
  • Product typeBattery
  • Compatible with42WH
  • 42WH capacity supports extended work sessions away from power
  • 55V lithium-ion chemistry matches original ASUS specifications
  • Fits VivoBook S14 S432 and S15 S532 model families
  • 160g weight keeps the laptop light for travel
  • 100% new replacement battery restores original runtime

Replacement battery for VivoBook S14 and S15

This KingSener C31N1843 is a lithium-ion replacement battery rated at 42WH and 11.55V. It is built to fit Asus VivoBook S14 S432 and S15 S532 series laptops including the S432FA and S532FL models. The pack weighs 160g and uses a black housing. It arrives new and ready to install.

Suits owners of listed VivoBook and X series models

The part matches the C31N1843 and 0B200-03430000 part numbers across S432FA, S532FL, X432FA and X532FA chassis variants. Buyers whose laptops use a different battery form factor or voltage should look elsewhere. The cell is manufactured in China and carries a two-year warranty from the supplier.

Steady output under continuous use

Lithium-ion chemistry delivers consistent voltage across the discharge curve rather than a sharp drop near empty. The 3550mAh capacity supports extended sessions away from mains power. Thermal behaviour stays within normal laptop operating limits during sustained workloads.

How it compares

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

Price $36.99
Pricier than about 66% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand nameKingsener
Model nameC31N1843
Part numberC31N1843
Product colorBlack
Product typeBattery
Power
Battery typeLithium-Ion
Battery voltage rating11.55 V
Battery capacity3,550 mAh
Size & build
Product weight160g
Compatibility
Compatible with42WH

Questions about this item

Which VivoBook models accept the C31N1843 42WH battery?

It fits ASUS VivoBook S14 S432 and S432FA series, S15 S532 and S532FL series, plus X432FA and X532FA models.

Will the 11.55V 3550mAh pack work with the original charger that came with my S432FA?

Yes, the voltage and capacity match the factory specification so the existing charger will charge it normally.

How can I confirm the new battery is recognised correctly after installation?

The system BIOS and Windows power settings should show 42WH capacity and 11.55V without error messages.

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