Replacement Battery Specification
- Battery Model: B31N1911
- Capacity: 42Wh
- Voltage: 11.55V
- 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
- B31N1911
- C31N1911
Compatible Laptop Model
- ASUS VivoBook Flip TP470EA Series
- ASUS VivoBook Flip TP470EZ Series
- ASUS VivoBook Flip 14 TM420IA
- ASUS VivoBook 14 M413D Series
- ASUS VivoBook 14 M413DA-EK162T
- ASUS VivoBook 14 M413DA-EK007T
- ASUS Notebook X421DA Series
- ASUS Notebook X421EA Series
- ASUS Notebook X421EP Series
- ASUS Notebook X421FF Series
- ASUS Notebook X421FQ Series
- ASUS Notebook X421JA Series
Product Features
- Extended Battery Life: 42Wh capacity delivers reliable power for ASUS VivoBook Flip and VivoBook 14 series laptops, providing hours of productivity for work, study, and entertainment on the go.
- OEM-Grade Quality: Manufactured with premium lithium-ion cells to meet or exceed original ASUS specifications, ensuring reliable performance and long-term durability for daily use.
- Wide Compatibility: Designed specifically for ASUS VivoBook Flip TP470EA/TP470EZ/TM420IA, VivoBook 14 M413D/M413DA, and Notebook X421DA/X421EA/X421EP/X421FF/X421FQ/X421JA series, ensuring perfect fit and optimal performance across multiple models.
- Advanced Li-ion Technology: High-quality lithium-ion cells deliver stable voltage output, efficient charging cycles, and longer battery lifespan with support for hundreds of charge-discharge cycles.
- Easy Installation: Direct drop-in replacement for original ASUS battery with simple plug-and-play design, no technical expertise required for battery swap.
- Comprehensive Safety Protection: Built-in protection circuitry guards against overcharge, over-discharge, short-circuit, and overheating to ensure safe operation and protect your laptop.
Why Choose This Battery?
This B31N1911 replacement battery is the perfect power solution for professionals, students, and mobile users with ASUS VivoBook Flip and VivoBook 14 series laptops. With 42Wh capacity and 11.55V output, it delivers reliable runtime for productivity tasks, web browsing, video streaming, and creative work, keeping your laptop running when you need it most.
Compatible with ASUS VivoBook Flip TP470EA/TP470EZ/TM420IA, VivoBook 14 M413D/M413DA, and Notebook X421DA/X421EA/X421EP/X421FF/X421FQ/X421JA series, this battery is backed by a 1-year warranty and rigorous quality testing. Perfect for business professionals, students, and anyone who needs reliable backup power for their ASUS VivoBook laptop.
Restore your laptop's mobility and productivity with this affordable, high-quality replacement battery that delivers the dependable power you need for all-day computing.