Replacement Battery Specification
- Battery Model: B31N1631
- Capacity: 42Wh
- Voltage: 11.52V
- Battery Type: Li-ion
- Cell: Made in China, high quality guarantee
- Color: Black
- Condition: Replacement Battery (100% Brand New, 1-year warranty!)
Replace Part Number
- B31N1631
- 3ICP5/57/81
Compatible Laptop Model
- For VivoBook 15 X505BA Series
- For VivoBook 15 X505BA-1A
- For VivoBook 15 X505BA-1C
- For VivoBook 15 X505BA-3F
- For VivoBook 15 X505BA-3G
- For VivoBook 15 X505BA-RB94
- For VivoBook 15 X505BA-BR016T
- For VivoBook 15 X505BP Series
- For VivoBook 15 X505BP-1A
- For VivoBook 15 X505BP-1B
- For VivoBook 15 X505BP-1C
- For VivoBook 15 X505BP-3F
- For VivoBook 15 X505BP-3G
- For VivoBook 15 X505BP-BR007T
- For VivoBook 15 F505 Series
- For VivoBook 15 F505ZA Series
- For VivoBook 15 F505BA Series
- For VivoBook 15 X505ZA
- For VivoBook 15 X505ZA-BQ012T
- For VivoBook 15 X505ZA-BQ013T
- For VivoBook 15 X505BA-EJ151
Product Features
- 100% brand new replacement battery, rigorously tested for safety and performance
- OEM-grade Li-ion cells with 42Wh capacity for reliable all-day use
- Built-in smart protection circuit: overcharge, over-discharge, and short-circuit protection
- Plug-and-play compatibility — no drivers or software required
- Meets or exceeds original ASUS manufacturer specifications
- 1-year warranty and dedicated customer support
Why Choose This Battery
This B31N1631 replacement battery is built for Asus VivoBook 15 X505 and F505 series users who need a reliable, lightweight power solution for everyday computing and study.
Key Benefits
- Broad compatibility across VivoBook 15 X505BA/BP/ZA and F505/F505BA/F505ZA series
- Stable 11.52V output for consistent, reliable power delivery
- Advanced BMS for safe, stable charging cycles
- Drop-in replacement with no modification required
- Cost-effective alternative to OEM replacement