Description
Product Overview
This Asus B21N1818-1 32Wh battery is a genuine replacement part designed specifically for compatible Asus laptops. It delivers reliable power and performance to keep your device running throughout the day.
Key Specifications
- Part Number: B21N1818-1
- Voltage: 11.4V
- Capacity: 32Wh
- Chemistry: Li-ion
- Condition: Brand New
Compatible Part Numbers (P/N)
This battery is a direct replacement for the following Asus part numbers:
- 0B200-03450000
- 0B200-03450100
- 0B200-03450200
- 0B200-03450400
- 0B200-03450500
- B21N1818-2
- B21N1818-3
Compatible Laptop Models
This battery is compatible with numerous Asus models including:
- ExpertBook P1 Series (P1410CDA, P1501DA, P1501JA, P1510CDA, P1510CJA)
- VivoBook 14 Series (F409, X409, R427)
- VivoBook 15 Series (D509, F509, M509, X509, X545)
- VivoBook S15 X545FB
- Asus D409DA
- Asus F509JA-BQ869
Unsure About Compatibility?
The compatibility list for this battery is extensive. If your specific model or part number isn’t listed above, please leave your laptop model or current battery part number in the order notes during checkout. We will verify compatibility before shipping.
When Should You Replace Your Laptop Battery?
Consider replacing your battery if you experience any of these common signs of battery degradation:
| Symptom | Description |
|---|---|
| Short Battery Life | Your laptop powers down much faster than it used to, even after a full charge. |
| Swelling/Bulging | The battery casing appears swollen or distorted, which can be a safety hazard. |
| Charging Issues | The battery doesn’t charge to 100% or fails to charge at all despite using the correct adapter. |
| Unexpected Shutdowns | Your laptop turns off suddenly without warning, even when the battery indicator shows remaining charge. |
| System Battery Warnings | Your operating system displays persistent warnings about battery health or recommends replacement. |
| Age | Most laptop batteries last 2-4 years; replacement is recommended if yours is older. |
Shipping & Warranty
- Ships in 1 business day
- 30-day money-back guarantee
- 1-year warranty
- Free shipping
- In stock, ready to ship
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