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.
Key Specifications
- Part Number: B21N1818
- Capacity: 32Wh
- Condition: Brand New
- Chemistry: Lithium-ion
Compatibility Information
Compatible Part Numbers (P/N)
- 0B200-03350400
- 0B200-03350500
- B21Bn2H
Compatible Models
- ASUS Business P1701CEA Series
- ASUS Business P1701DA Series
- ASUS P1701FA Series
- ASUS P1701FB Series
- ASUS S732DA Series
- ASUS VivoBook 17 D712DA Series
- ASUS VivoBook 17 D712DK Series
- ASUS VivoBook 17 F712EA Series
- ASUS VivoBook 17 F712FA Series
- ASUS VivoBook 17 F712FB Series
- ASUS VivoBook 17 F712JA Series
- ASUS VivoBook 17 M712DA Series
- ASUS VivoBook 17 S712EA Series
- ASUS VivoBook 17 S712UA Series
- ASUS VivoBook 17 X712DA Series
- ASUS VivoBook 17 X712EA Series
- ASUS VivoBook 17 X712EQ Series
- ASUS VivoBook 17 X712FA Series
- ASUS VivoBook 17 X712JA Series
- ASUS VivoBook R754JA Series
- ASUS VivoBook S17 S712DA Series
- ASUS VivoBook S17 S712JA Series
- ASUS VivoBook S17 S732DA Series
- ASUS VivoBook S17 S732JA Series
- ASUS X712FB Series
- ASUS X712UA Series
Note: This list represents a portion of compatible models. If your specific model isn’t listed, please leave your laptop model or current battery part number in the order notes, and we’ll verify compatibility before shipping.
When to Consider Battery Replacement
| Symptom | Description |
|---|---|
| Short Battery Life | Laptop powers off quickly after unplugging, lasting less than 1 hour under light use |
| Battery Won’t Charge | Battery percentage doesn’t increase when connected to power adapter |
| Swelling/Bulging | Battery appears physically swollen or causes laptop case to bulge |
| System Errors | Laptop displays “battery not detected” or “replace battery” warnings |
| Overheating | Battery becomes unusually hot during charging or normal use |
| Age Factor | Battery is over 2-3 years old with noticeably reduced performance |
Estimated Battery Life by Usage
| Usage Scenario | Estimated Runtime |
|---|---|
| Web Browsing & Email | 3-4 hours |
| Word Processing | 4-5 hours |
| Video Streaming | 2-3 hours |
| Gaming | 1-2 hours |
| Standby/Sleep Mode | 8-12 hours |
Note: These are conservative estimates for a new battery in an older laptop. Actual runtime may be shorter than when the laptop was new due to increased software demands and general hardware aging.
Shipping & Warranty
- Ships within 1 business day
- 30-day money-back guarantee
- 1-year manufacturer warranty
- Free shipping
- In stock, ready to ship
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