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Black rectangular lithium-polymer laptop battery with connector POWER-FENG C21N1335 38Wh 7.5V

POWER-FENG

POWER-FENG C21N1335 38Wh 7.5V battery for Asus VivoBook S451

SKU CH-NRS0-KGWYD

38 Wh lithium-polymer battery at 7.5 V fits Asus VivoBook S451 and related models

  • TypeBattery
  • Battery TypeLaptop Batteries
  • Li-polymer chemistry delivers stable 7.5V output
  • 38Wh capacity supports extended mobile use
  • 4900mAh rating provides reliable runtime
  • Direct replacement for C21N1335 part
  • Compatible with VivoBook S451 and V451 series

Direct replacement for VivoBook S451 series

This 38Wh lithium-polymer battery matches the original C21N1335 part and fits Asus VivoBook S451, S451LA, S451LB, S451LN, V451L, V451LA, V451LB and V451LN models. It restores mobile power to laptops that no longer hold a charge.

7.5V Li-polymer pack in black housing

The slim brick slots into the existing battery bay without tools or cable adapters. A 4900mAh cell count delivers the same voltage and capacity the chassis was designed for, so the laptop sits flush and the original charger works unchanged.

Swaps out a worn or swollen original cell

Owners noticing rapid drain, sudden shutdowns or a bulging case can install this unit and regain full unplugged runtime. It is not suited for buyers needing higher capacity than 38Wh or a different voltage for other laptop families.

Highlights

  • Li-polymer chemistry delivers stable 7.5V output
  • 38Wh capacity supports extended mobile use
  • 4900mAh rating provides reliable runtime
  • Direct replacement for C21N1335 part
  • Compatible with VivoBook S451 and V451 series

Specifications

TypeBattery
Battery TypeLaptop Batteries

Questions about this item

What voltage does the C21N1335 battery supply to the VivoBook S451?

The C21N1335 delivers 7.5V, matching the original specification for the VivoBook S451 series.

Which screw-hole pattern does this battery use to fit the S451 chassis?

It matches the factory screw-hole layout for the Asus VivoBook S451, S451LA, S451LB, S451LN, V451L, V451LA, V451LB and V451LN models.

What is the first step when installing the C21N1335, and what do people often skip?

Disconnect the old battery connector from the motherboard before removing screws; many forget to unplug it first and risk a short.

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