Description
Product Overview
This ASUS B31N1912 42Wh battery is a genuine replacement part designed specifically for compatible ASUS VivoBook models. Manufactured to meet original equipment specifications.
Specifications
- Battery Part Number: B31N1912
- Capacity: 42Wh
- Chemistry: Lithium-ion
- Voltage: 11.4V
- Condition: Brand new
Compatible Part Numbers
- 0B200-03680000
- 3ICP5/57/80
- LP485780
- B31N1912
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
Note: This list shows only the most common compatible models. If your specific model isn’t listed, please leave your laptop model or current battery part number in the order notes during checkout, and we’ll verify compatibility before shipping.
When to Replace Your Battery
| Situation | Description |
|---|---|
| Short Runtime | Battery lasts less than 1 hour on full charge |
| Swelling/Bulging | Battery case appears swollen or deformed |
| Charging Issues | Battery won’t charge fully or charges intermittently |
| System Warnings | OS shows “Replace Battery” or similar alerts |
| Age | Battery is over 2 years old with noticeable degradation |
| Random Shutdowns | Laptop turns off unexpectedly when unplugged |
Estimated Battery Life
| Usage Scenario | Estimated Duration |
|---|---|
| Web Browsing | 3-4 hours |
| Video Streaming | 2-3 hours |
| Office Applications | 4-5 hours |
| Light Gaming | 1-2 hours |
| Standby/Sleep | 8-12 hours |
Note: These estimates are for new batteries used with older hardware. Actual runtime may be shorter than original performance due to increased software demands and natural hardware aging.
Shipping & Warranty
- Ships in 1 business day
- 30-day money back guarantee
- 1-year warranty
- Free shipping
- In stock, brand new product
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