B31N1631 Replacement Battery for ASUS VivoBook 15 Series ASUS Premium 11.52V 42Wh Li-ion replacement battery for ASUS VivoBook 15 X505ZA, X505BA, X505BP, and VivoBook F505 series. Engineered with high-density cells to restore original mobile performance and stable runtime for your thin-and-light laptop. Features built-in BMS protection for safe charging. Ships 100% brand new with a 1-year warranty.
Technical Specifications
| Battery Model | B31N1631 |
|---|---|
| Capacity | 42Wh / 3650mAh |
| Voltage | 11.52V |
| Battery Type | Li-ion Polymer |
| Condition | 100% Brand New Replacement |
| Warranty | 1 Year |
Replace Part Numbers
- B31N1631
- 3ICP5/57/81
Compatible Laptop Models
- ASUS VivoBook 15 X505BA Series
- ASUS VivoBook 15 X505BP Series
- ASUS VivoBook 15 X505ZA Series
- ASUS VivoBook 15 F505 Series
- ASUS VivoBook 15 F505ZA / F505BA
- X505BA-1A / X505ZA-BQ012T
FAQ
Is this battery compatible with the Ryzen-powered X505ZA?
Yes. The B31N1631 is the correct internal battery for the Ryzen-powered ASUS VivoBook 15 X505ZA and F505ZA models.
How do I know if it fits my VivoBook 15?
Open your laptop bottom cover and verify the battery model code B31N1631 is printed on your original battery before purchase.