Description
Product Overview
This is a genuine replacement battery for ASUS laptops, specifically designed to match the original B31N1912 battery specifications with 42Wh capacity.
Specifications
- Part Number: B31N1912
- Voltage: 11.4V
- Capacity: 42Wh
- Chemistry: Lithium-ion
- Condition: Brand new
Compatible Part Numbers
- 0B200-03680000
- 3ICP5/57/80
- LP485780
Compatible Models
- ASUS L410MA series
- ASUS VivoBook 14 E410MA series
- ASUS VivoBook 14 L410MA series
- ASUS VivoBook E410KA series
- ASUS VivoBook E510KA series
- ASUS VivoBook E510MA series
When to Replace Your Battery
| Situation | Description |
|---|---|
| Short Battery Life | Laptop powers off quickly even when fully charged |
| Swelling/Bulging | Battery appears physically swollen or deformed |
| Not Charging | Battery won’t charge despite working charger |
| Overheating | Battery gets unusually hot during use or charging |
| System Warnings | OS shows “Replace Battery” or similar alerts |
| Age | Battery is over 2-3 years old with reduced performance |
Important Compatibility Note
The compatible part numbers and models listed are not exhaustive. If you don’t see your specific model or part number listed, please leave your laptop model or current battery part number in the order notes during checkout. We will verify compatibility before shipping.
Shipping & Warranty
- Ships within 1 business day
- 30-day money back guarantee
- 1-year warranty
- In stock, ready to ship
- Free shipping
- 100% brand new product
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