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Black rectangular lithium-ion laptop battery with connector strip

Beisite

Beisite C31N1905 50Wh 11.55V laptop battery 3ICP5/70/82

SKU CH-BH2T-G5QMS

50 Wh lithium-ion replacement battery at 11.55 V for compatible Asus VivoBook S13, S14 and S15 models

  • ColorBlack
  • TypeBattery
  • CompatibilityforVivoBook S13 S330FA S330UA S333EA S333JA S14 M433IA S15 M
  • Battery TypeLithium-Ion
  • Battery Voltage11.55V
  • Battery Capacity50Wh
  • 50Wh capacity powers extended work sessions
  • 55V lithium-ion chemistry matches original specification
  • Replaces C31N1905, 0B200-03580200, 3ICP5/70/82 part numbers
  • Fits VivoBook S13, S14, S15 and M433, M533, S533 series
  • Brand-new condition ensures full cycle life from first charge

Replacement Battery for VivoBook S Series

The Beisite C31N1905 is a 50Wh lithium-ion battery rated at 11.55V, designed to replace the original 3ICP5/70/82 cell in compatible Asus VivoBook S13, S14 and S15 models. It matches the factory voltage and capacity specifications for direct installation.

Who This Suits and Who Should Look Elsewhere

This unit fits owners of listed VivoBook S13 S330, S333, S14 M433, S15 M533 and related series machines needing a new 11.55V power source. Buyers with laptops outside the named model list or requiring a different voltage or connector layout should look elsewhere.

Deciding Specification: 11.55V 50Wh Lithium-Ion

The single figure that confirms fitment is the 11.55V 50Wh lithium-ion rating, which must match the original battery label exactly. Verify the part number 3ICP5/70/82 or C31N1905 on the old cell before ordering.

Highlights

  • 50Wh capacity powers extended work sessions
  • 55V lithium-ion chemistry matches original specification
  • Replaces C31N1905, 0B200-03580200, 3ICP5/70/82 part numbers
  • Fits VivoBook S13, S14, S15 and M433, M533, S533 series
  • Brand-new condition ensures full cycle life from first charge

Specifications

BrandC31N1905
ModelC31N1905
Part Number3ICP5/70/82
ColorBlack
TypeBattery
CompatibilityforVivoBook S13 S330FA S330UA S333EA S333JA S14 M433IA S15 M533IA S533EA S533EQ S533FA Series
Battery TypeLithium-Ion
Battery Voltage11.55V
Battery Capacity50Wh

Questions about this item

Does the 50Wh 11.55V Li-ion cell run hot or draw extra power during all-day use?

The 50Wh 11.55V lithium-ion pack is designed to match the original thermal and power profile, so it produces no additional heat or power draw beyond the laptop's normal operation.

Must my VivoBook S13 S330FA already have the original C31N1905 or 3ICP5/70/82 part installed for this replacement to fit?

Yes, this battery replaces part numbers C31N1905, 0B200-03580200 and 3ICP5/70/82, so the laptop must use one of those exact part numbers for a direct fit.

Will the 50Wh capacity behave the same as the original battery in my older S330UA-EY023T?

The 50Wh 11.55V rating matches the factory specification for the S330UA-EY023T, delivering identical run-time and charge behaviour.

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