Description
Product Overview
Genuine ASUS B31N1425 48Wh replacement battery designed specifically for compatible ASUS laptop models. This high-quality battery ensures reliable performance and extended usage time for your device.
Specifications
- Battery Type: Li-ion
- Capacity: 48Wh
- Voltage: 14.8V
- Condition: Brand New
- Part Number: B31N1425
Compatibility Information
Part Numbers (P/N)
- 0B200-01400100
- B31N1425
Compatible Models
- ASUS E402MA
- ASUS EeeBook E402MA
- ASUS R417MA
Note: This list represents commonly compatible models. Many additional compatible part numbers and models exist. If you’re unsure about compatibility, please leave your specific laptop model or current battery part number in the order notes, and we’ll verify compatibility before shipping.
When to Replace Your Battery
| Situation | Description |
|---|---|
| Short Runtime | Battery drains quickly even after full charge (lasts less than 1 hour) |
| Swelling/Bulging | Battery appears swollen or causes case separation |
| Charging Issues | Battery won’t charge fully or charges intermittently |
| System Warnings | Laptop shows “Replace Battery” or similar warnings |
| Age Factor | Battery is over 2-3 years old with noticeable degradation |
| Random Shutdowns | Laptop shuts down unexpectedly even with charge remaining |
Estimated Battery Life by Usage
| Usage Scenario | Estimated Runtime |
|---|---|
| Web Browsing | 4-5 hours |
| Word Processing | 5-6 hours |
| Video Streaming | 3-4 hours |
| Gaming | 1.5-2.5 hours |
| Mixed Use | 4-5 hours |
| Standby/Idle | 6-8 hours |
Important Note: These are conservative estimates for a new battery in older hardware. Actual runtime may be shorter than when your device was new due to increased software demands and natural hardware aging.
Purchase Benefits
- Same Day Shipping (Order by 2PM)
- 30-Day Money Back Guarantee
- 1-Year Manufacturer Warranty
- Free Shipping
- In Stock – Ready to Ship
- 100% Brand New Product





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