Description
Product Overview
This ASUS B31N1729 42Wh battery is a genuine replacement part designed specifically for compatible ASUS laptop models. Manufactured to meet original equipment specifications, this battery ensures reliable performance and safe operation.
Specifications
- Battery Part Number: B31N1729
- Capacity: 42Wh
- Voltage: 11.4V
- Chemistry: Lithium-ion
- Condition: Brand new, factory fresh
Compatible Part Numbers
- 0B200-02920000
- B31N1729
Compatible Models
- ASUS K530FF, K530FN
- ASUS P1502FF
- ASUS S5300FF, S5300UN
- ASUS S530FF, S530FN, S530UA, S530UF, S530UN
- ASUS V530FF
- ASUS VivoBook S15 K530FN
- ASUS VivoBook S15 S530, S530FA, S530FN, S530U, S530UA, S530UF, S530UN
- ASUS VivoBook S15 X530FA, X530FN, X530UA, X530UF, X530UN
- ASUS X530, X530FA, X530FF, X530FN, X530UA, X530UF, X530UN
When to Replace Your Laptop Battery
| Symptom | Description |
|---|---|
| Short Battery Life | Battery drains quickly even after full charge, lasting significantly less than original runtime |
| Swelling/Bulging | Battery case appears swollen or distorted, causing trackpad or case bulging |
| Charging Issues | Battery won’t charge fully, charges intermittently, or doesn’t hold charge |
| System Warnings | Laptop displays “Consider replacing your battery” or similar system alerts |
| Overheating | Battery becomes unusually hot during use or charging |
| Random Shutdowns | Laptop shuts down suddenly even with remaining charge indicated |
| Age | Battery is 2-3 years old with noticeable performance degradation |
Important Compatibility Note
The compatible part numbers and models listed above are not exhaustive. If you don’t see your specific model or are unsure about compatibility, please leave your laptop model number or current battery part number in the order notes during checkout. We will verify compatibility before shipping.
Shipping & Warranty
- Ships in 1 business day
- 30-day money back guarantee
- 1-year manufacturer warranty
- In stock, ready to ship
- Free shipping
- 100% brand new product
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