Restore Your Laptop’s Freedom with the High-Performance B31N1912 Replacement Battery
Bring your ASUS laptop back to life with our premium replacement B31N1912 / C31N1912 battery. Designed specifically for a wide range of ASUS 14 and 15 series laptops, this battery is the perfect solution for a system that no longer holds a charge or has a significantly reduced runtime. Engineered with high-grade materials and advanced safety features, it restores your device’s portability and ensures you can work, study, or stream without being tethered to a power outlet. Invest in reliability and give your laptop the power it needs to keep up with your demanding lifestyle.
Key Features:
- Perfect Compatibility: Engineered as a direct replacement for OEM part numbers B31N1912 and C31N1912, guaranteeing a seamless fit and flawless communication with your ASUS laptop.
- High-Quality Li-Polymer Cells: Utilizes Grade A lithium-polymer cells that provide a stable power output, longer lifespan, and faster charging capabilities compared to lower-quality alternatives.
- Optimal Capacity: With a robust capacity of 42Wh / 3653mAh and an 11.55V rating, this 3-cell battery delivers extended runtime, allowing you to complete your tasks on the go.
- Advanced Safety Protocols: Equipped with a built-in multi-protection circuit that safeguards against overcharging, over-discharging, over-current, and short-circuiting, protecting both the battery and your laptop.
- Certified for Quality: CE, FCC, and RoHS certified to meet and exceed international safety and quality standards, ensuring peace of mind and reliable performance.
- Plug and Play Installation: Designed to match the exact specifications of the original battery, allowing for a straightforward and hassle-free installation process.
Unlock Uninterrupted Productivity and Entertainment
A failing battery can severely limit your productivity and turn your portable laptop into a desktop. Our replacement battery empowers you to reclaim your freedom. Experience the convenience of working from a coffee shop, attending lectures without searching for a power socket, or enjoying movies on a long flight. This battery is not just a component; it’s an upgrade that enhances your laptop’s usability and value, ensuring consistent and dependable power whenever and wherever you need it.
Technical Specifications:
- Battery Model: B31N1912 / C31N1912
- Voltage: 11.55V
- Capacity: 42Wh / 3653mAh
- Battery Type: Lithium-Polymer (Li-Po)
- Number of Cells: 3
- Condition: 100% Brand New, High-Quality Replacement
- Package Includes: 1 x Laptop Battery
Full List of Compatible Part Numbers:
To ensure a correct purchase, please verify that your laptop’s original battery part number matches one of the following:
- B31N1912
- C31N1912
Full List of Compatible Laptop Models:
This battery is compatible with, but not limited to, the following ASUS laptop models:
- ASUS 14 E410 Series: E410M, E410MA, E410KA
- ASUS 15 E510 Series: E510KA, E510MA
- ASUS L410 Series: L410MA
- ASUS R429 Series: R429MA
- Specific Models including:
- E410MA-BV1312WS
- E510MA-EJ614
- F414MA-EK1890WS
- E410MA-EK007T
- E410MA-EK017T
- E410MA-EK026T
- E410MA-EK195T
- E410MA-EK317T
- E510MA-EJ002T
- E510MA-EJ008T
- L410MA-DB02
- L410MA-EK031T
- And many more within these series.
Installation and Care Instructions:
To maximize the performance and lifespan of your new battery, we recommend the following steps. First, upon installation, discharge the new battery to 10% and then charge it fully to 100%. Repeat this cycle 2-3 times to fully activate and calibrate the battery cells. For daily use, avoid letting the battery drain completely to 0%. It is also advisable to avoid exposure to extreme temperatures (hot or cold) and to store the battery in a cool, dry place if the laptop will not be used for an extended period.






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