
Genuine ASUS B31N1912 / C31N1912 OEM Battery for VivoBook E410, E510, L410, L510 Series
Restore the all-day reliability of your ASUS VivoBook. This Genuine B31N1912 replacement battery is the official 42Wh (11.55V) component, providing the perfect balance of runtime and portability for your everyday laptop. Ensure safe, stable power for work, school, and browsing.

Precision Compatibility
This genuine ASUS battery is a direct replacement for these VivoBook models:
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VivoBook 14" (E410 Series): E410MA, E410KA
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VivoBook 15" (E510 Series): E510MA, E510KA, E510KA-EJ033TS
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VivoBook 14" (L410 Series): L410MA, L410MA-BV058TS
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VivoBook 15" (L510 Series): L510MA, L510MA-WB04
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Also Compatible With: F414MA, R522MA
Key Specifications & Authenticity
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Battery Model: B31N1912 (Genuine ASUS OEM)
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Compatible Part Number: C31N1912
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Capacity: 42 Wh
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Voltage: 11.55 V (A Critical Compatibility Feature)
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Type: Li-Ion Battery (Internal)
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Condition: Brand New, Original Manufacturer Part
Why a Genuine ASUS Battery is the Right Choice
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Perfect Fit for Value Series: Precision-engineered for the chassis of affordable VivoBook models, ensuring a seamless and secure installation.
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Optimized for Daily Use: The 42Wh capacity provides excellent battery life for web browsing, document editing, and video streaming.
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Certified Safety: Manufactured to ASUS's strict standards with integrated protection circuits against overcharging and short circuits.
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Reliable Performance: Guarantees accurate battery level reporting to Windows, preventing unexpected shutdowns.
Professional Installation Recommended
While user-replaceable, these VivoBooks have a slim build.
For a risk-free experience, we recommend professional installation to avoid damaging plastic clips or internal connectors.
Installation Guide (For Qualified Individuals)
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Power off the laptop and disconnect all cables.
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Remove the bottom panel screws (some may be hidden under rubber feet).
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Carefully lift the bottom panel to access the internal battery.
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Disconnect the battery cable from the motherboard.
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Remove the screws securing the battery, then install the new genuine B31N1912 battery.
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Reconnect the cable and reassemble the laptop.
Frequently Asked Questions (FAQ)
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Q: Is this compatible with the VivoBook E410MA?
A: Yes, the genuine B31N1912 is the official battery for the VivoBook E410MA. -
Q: What's the difference between B31N1912 and C31N1912?
A: They are the same battery.B31N1912andC31N1912are interchangeable genuine ASUS part numbers. -
Q: Will this work with a VivoBook M415 or X415?
A: No. The M415 and X415 series use a different battery model. Please verify your exact model number. -
Q: How do I find my model number?
A: Check the label on the bottom of your laptop, for example, "E410MA-BV022TS".
Ready for Reliable Power?
Choose the genuine ASUS B31N1912 battery for guaranteed compatibility and safety.
Replacement Part Number:
B31N1912 / C31N1912 / 0B200-03680000 / 0B200-03680100
Compatible Models (use “Ctrl+F” to find your model quickly”)
- for Asus VivoBook 14 E410MA Series:
VivoBook 14 E410MA-EK007TS / 14 E410MA-EK017TS / 14 E410MA-EK018TS / 14 E410MA-EK026TS / 14 E410MA-BV1169TS / 14 E410MA-EK028TS / 14 E410MA-EK087T / 14 E410MA-EK211T / 14 E410MA-EK319T / 14 E410MA-EK321T / 14 E410MA-EK327TS / 14 E410MA-EK367TS / 14 E410MA-EK378T / 14 E410MA-EK505T / 14 E410MA-EK542T / 14 E410MA-EK946TS / 14 E410MA-EK991TS.
- for Asus VivoBook 14 L410MA Series:
VivoBook 14 L410MA-BV037TS / 14 L410MA-BV053TS / 14 L410MA-BV058TS / L410MA-BV076TS / 14 L410MA-BV077TS.
- for Asus VivoBook E410KA-EK139TS Series.
- for Asus VivoBook E510KA-EJ033TS Series.
- for Asus VivoBook F414MA Series.
- for Asus VivoBook L510MA Series.
- for Asus VivoBook R522MA Series.
- for Asus VivoBook E510MA Series.
| Battery Capacity | 42Wh/3550mAh |
| Voltage | 11.55V |
| Model No | B31N1912 |
| Warranty | 12 Months |
🔋 Lithium-Ion Battery Conditioning
For optimal electrochemical performance, new lithium-ion batteries should undergo 2–3 complete charge and discharge cycles before reaching full capacity.
This stabilization phase allows the internal cell chemistry to achieve balanced ion distribution, ensuring maximum runtime, stable voltage output, and extended cycle life.
After this initial conditioning period, no further full discharge cycles are required.
🛡 Premium Warranty Protection
- 12-Month Limited Manufacturer Warranty
- Up to 30-Day Return Guarantee (Policy Based)
- Replacement for defective or misrepresented items
- Dedicated customer service response within 24 hours
🚚 Professional Shipping Standards
- Orders placed Monday–Friday are processed within 1–2 business days. Orders placed on weekends are processed the following Monday.
- Tracking information appears in your order within 1–2 business days after dispatch.
- Transit time varies by region and logistics carrier
- Please verify your shipping address before order confirmation
- Address changes are not possible once shipment is dispatched
📌 Product-Specific Notice
📩 Customer Care Commitment
We are committed to delivering professional-grade battery solutions and responsive after-sales service. If you experience any issues, please contact our support team before leaving feedback.
✓ Safety & Quality Assurance
- Built-in protection against overcharging, overheating, and short circuits.
- Shipped in compliance with IATA regulations for lithium batteries.
- Compatible with OEM chargers. No firmware modification required.
Questions about compatibility? Contact us with your device model number before ordering.
Cao Chuanping
Power Systems Consultant · 8+ years in replacement battery sourcing & evaluation · View profile →
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