Product Overview
The B31N1637 (also coded C31N1637) is a slim OEM-grade 42Wh Li-ion replacement battery for the ASUS VivoBook S15 S510, X510 and F510 families, delivering 42Wh at 11.52V. Stream, study or work on the move with a precise drop-in fit, smart BMS protection and restored original run time. This EU-stock unit ships fast from our EU warehouse with a 1-year warranty.
Specifications
| Standard Model | B31N1637 |
|---|---|
| Capacity | 42Wh |
| Voltage | 11.52V |
| Battery Type | Li-ion |
| Cell | High-Quality Li-ion (Made in China) |
| Color | Black |
| Condition | 100% Brand New Replacement |
| Warranty | 1-Year Warranty |
| Stock | EU Local Stock — Fast Dispatch |
Replace Part Numbers
- B31N1637
- C31N1637
Compatible Models
- For ASUS VivoBook S15 S510UA Series
- For ASUS VivoBook S15 S510UQ Series
- For ASUS VivoBook S15 S510UN Series
- For ASUS VivoBook S15 S510UR Series
- For ASUS VivoBook X510UA Series
- For ASUS VivoBook X510UF Series
- For ASUS VivoBook X510UQ Series
- For ASUS VivoBook F510 Series
- For ASUS VivoBook F510UA Series
- For ASUS VivoBook F510UQ Series
FAQ
Q: Are B31N1637 and C31N1637 the same battery?
A: Yes — both codes refer to the same physical battery used across the ASUS VivoBook S15 / X510 / F510 series, and this listing covers both markings.
Q: Which VivoBook models does this 42Wh battery fit?
A: ASUS VivoBook S15 S510UA/S510UQ/S510UN/S510UR, VivoBook X510UA/X510UF/X510UQ and VivoBook F510/F510UA/F510UQ. Confirm the model on the underside label before ordering.
Q: Is this really shipped from Europe?
A: Yes — this is EU local stock, so delivery is fast and duties are avoided for EU customers. Each battery ships 100% brand new with a 1-year warranty.