Description
Product Overview
This ASUS B31N1909 48Wh battery is a genuine replacement power source designed specifically for compatible ASUS laptop models. Manufactured to meet original equipment specifications, this battery ensures reliable performance for your mobile computing needs.
Specifications
- Part Number: B31N1909
- Capacity: 48Wh
- Voltage: 11.4V
- Chemistry: Lithium-ion
- Condition: Brand new
Compatible Part Numbers
- 0B200-03670000
- 3ICP7/60/80
- B31BNE1
Compatible Models
- ExpertBook B2 B2402CBA
- ExpertBook L2 Flip L2402FYA
- ExpertBook L2 L2402CYA
- ExpertBook L2 L2502CYA
- ExpertBook P2 P2451FA
- ExpertBook P2 P2451FA-EB0354R
- ExpertBook P2 P2451FA-EB2015R
- ExpertBook P2 P2451FB
- ExpertBook P2 P2451FB-EK0092R
- L2402CYA
- L2402FYA
- L2502CYA
Note: This list represents only a portion of compatible models and part numbers. If you don’t see your specific model or part number listed, please leave it in the order notes during checkout, and we’ll verify compatibility before shipping.
When to Replace Your Battery
| Situation | Description |
|---|---|
| Short Runtime | Battery drains significantly faster than original capacity, lasting less than 1-2 hours under normal use |
| Swelling/Bulging | Battery case appears swollen or distorted, creating gap between battery and laptop |
| 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 |
| Age | Battery is 2-3 years old with noticeable performance degradation |
| Overheating | Battery becomes unusually hot during charging or normal use |
| Random Shutdowns | Laptop shuts down unexpectedly even when battery indicator shows remaining charge |
Estimated Battery Life
| Usage Scenario | Estimated Runtime |
|---|---|
| Web Browsing & Email | 4-6 hours |
| Document Editing | 5-7 hours |
| Video Streaming | 3-5 hours |
| Gaming | 1.5-3 hours |
| Standby/Idle | 8-12 hours |
| Mixed Use | 4-5 hours |
Note: These estimates are conservative and based on new battery performance. Actual runtime may vary depending on your specific laptop model, age of other components, software demands, and usage patterns. New replacement batteries may provide slightly less runtime compared to the original battery when your laptop was brand new due to increased software demands and general system aging.
Purchase Benefits
- One business day shipping
- 30-day money back guarantee
- One year warranty
- In-stock ready to ship
- Brand new product
- Free shipping
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