Description
Product Overview
This is a genuine replacement Asus B31N1909 48Wh laptop battery, designed for specific ASUS ExpertBook models. It ensures reliable power and performance.
Key Specifications
- Voltage: 11.4V
- Capacity: 48Wh
- Chemistry: Li-ion
- Part Number: B31N1909
Compatible Part Numbers (P/N)
- 0B200-03670000
- 3ICP7/60/80
- B31BNE1
Compatible Models (Model)
- 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
Note: The list of compatible part numbers and models is not exhaustive. If you are unsure about compatibility, please leave your specific laptop model or battery part number in the order notes during checkout, and we will verify for you.
When Should You Replace Your Laptop Battery?
Consider replacing your battery if you notice any of the following signs, which indicate reduced performance or potential failure.
| Situation | Description |
|---|---|
| Short Battery Life | The battery drains significantly faster than it used to, even after a full charge, and cannot hold a charge for a reasonable amount of time. |
| Swelling or Bulging | The battery case appears swollen or distorted. This is a serious safety hazard and requires immediate replacement. |
| Failure to Charge | The battery does not charge at all, or the charging process starts and stops intermittently. |
| Laptop Shuts Down Unexpectedly | The computer powers off suddenly even when the battery indicator shows remaining charge, indicating the battery cannot deliver stable power. |
| Battery Not Detected | The operating system fails to recognize the battery, or you receive an error message suggesting a battery communication problem. |
| Overheating | The battery becomes excessively hot during use or charging, which can be a sign of internal damage. |
| Old Age | Most lithium-ion batteries have a lifespan of 2-4 years. If your battery is within this age range and performance is declining, replacement is advisable. |
Purchase Assurance
- Ships in one business day
- 30-day money-back guarantee
- 1-year warranty
- In stock, brand new product
- Free shipping
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