Product Overview
Premium B21N1818-3 replacement battery specifically designed for ASUS VivoBook 14 and FL8700 series laptops. This high-quality Li-ion battery delivers reliable power and extended runtime for work, study, and entertainment applications.
Technical Specifications
- Battery Model: B21N1818-3
- Voltage: 7.7V
- Capacity: 37WH/4850mAh (High Capacity)
- Battery Type: Premium Li-ion
- Color: Black
- Condition: Brand New (100% New, 1-year warranty)
- Certification: CE, FCC, RoHS compliant
Compatible Part Numbers
- B21N1818-3
- B21N1818-1
Compatible ASUS Laptop Models
- VivoBook 14 Series: X409, X409F, X409FUA, X409FB, X509, X545
- Y Series: Y4200F, Y4200FB, Y5200F, Y5200FB
- FL8700 Series: FL8700, FL8700D, FL8700F
Key Features
- 37WH high capacity for extended battery life
- Perfect compatibility with ASUS VivoBook series
- Advanced Li-ion technology for safety and longevity
- Built-in protection against overcharge and short circuit
- Easy installation with no modifications required
- 1-year manufacturer warranty for peace of mind
Installation & Quality
This replacement battery is designed for easy installation in your ASUS laptop. Each battery undergoes rigorous quality testing to ensure it meets original ASUS specifications for performance and safety.
Notice: Not all compatible models are listed. Please verify your battery model number before purchase or contact us for compatibility assistance.
