ASUS VivoBook Replacement Battery B31N1912 (11.55V, 42Wh)

Bring your laptop back to life with this premium replacement battery designed for ASUS VivoBook models. Built with high-quality Grade A cells, this battery delivers reliable performance, longer lifespan, and perfect compatibility.

✅ Key Features

• Model: B31N1912
• Battery Type: Lithium-ion (Li-ion)
• Voltage: 11.55V
• Capacity: 42Wh / 3550mAh
• Color: Black
• Condition: New – High-quality replacement with Grade A cells
• Performance: 100% compatible & tested for safety and reliability

🔄 Compatible Part Numbers

B31N1912, C31N1912, 0B200-03680000, 0B200-03680200

💻 Compatible ASUS Laptop Models

VivoBook 14 E410MA Series
E410MA-EK007TS, EK017TS, EK018TS, EK026TS, BV1169TS, EK028TS, EK087T, EK211T, EK319T, EK321T, EK327TS, EK367TS, EK378T, EK505T, EK542T, EK946TS, EK991TS

VivoBook 14 L410MA Series
L410MA-BV037TS, BV053TS, BV058TS, BV076TS, BV077TS

Also Compatible With:

• VivoBook E410KA Series
• VivoBook E510KA Series
• VivoBook F414MA Series
• VivoBook L510MA Series
• VivoBook R522MA Series
• VivoBook E510MA Series

⚡ Why Choose This Battery?

• 🔒 Built-in protection against overcharge, overheating & short circuits
• 🔋 Long-lasting power with stable performance
• 🧩 Perfect fit and easy installation
• 💼 Ideal for replacing worn-out or damaged batteries

🔧 Battery Care Tips

To get the best performance and lifespan:

• Fully charge and discharge the battery 2–3 times before regular use
• This helps activate the battery and reach full capacity
• After conditioning, normal charging habits can resume

📦 What’s Included

• 1 × B31N1912 Replacement Battery