Description
Product Overview
This Asus B21N1818 32Wh battery is a genuine replacement part designed specifically for compatible Asus laptop models. It delivers reliable power and performance for your mobile computing needs.
Specifications
- Part Number: B21N1818
- Capacity: 32Wh
- Condition: Brand new
- Chemistry: Lithium-ion
Compatible Part Numbers (P/N)
This battery replaces the following Asus part numbers:
- 0B200-03350400
- 0B200-03350500
- B21Bn2H
Compatible Models
This battery is compatible with these Asus laptop series:
- Asus Business P1701CEA series
- Asus Business P1701DA series
- Asus P1701FA/FB series
- Asus S732DA series
- Asus VivoBook 17 series (D712, F712, M712, S712, X712)
- Asus VivoBook R754JA series
- Asus VivoBook S17 series
- Asus X712FB/UA series
Need Help Finding Your Model?
We’ve listed the most common compatible models above, but there are many more variations. If you don’t see your exact model listed, please leave your laptop model number or current battery part number in the order notes during checkout. We’ll verify compatibility before shipping.
When Should You Replace Your Laptop Battery?
Here are common signs indicating it’s time for a battery replacement:
| Symptom | Description |
|---|---|
| Short Battery Life | Battery drains significantly faster than when new, lasting less than 1-2 hours |
| Swelling/Bulging | Battery case appears swollen or distorted – replace immediately for safety |
| Charging Issues | Battery won’t charge fully, charges slowly, or doesn’t hold charge |
| Random Shutdowns | Laptop turns off unexpectedly even with reported charge remaining |
| System Warnings | OS displays “Consider replacing your battery” or similar messages |
| Age | Battery is 2-3 years old with noticeable performance degradation |
Purchase Benefits
- Same-day shipping on business days
- 30-day money-back guarantee
- 12-month warranty
- Free shipping
- In stock – ready to ship
- 100% brand new product
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