Description
Product Overview
This ASUS B21N1329 30Wh battery is a genuine replacement part designed specifically for compatible ASUS devices. It delivers reliable power and performance for your laptop.
Key Features
- Capacity: 30Wh
- Genuine ASUS part number: B21N1329
- Compatible with multiple ASUS models
- Brand new condition
- In stock – ships within one business day
Compatibility Information
Part Number (P/N)
- 0B200-00840000
- 0B200-00840100
- 0B200-00840200
- 0B200-00840400
- 0B200-00840500
- 0B200-00840600
- 0B200-00840700
Model Compatibility
- ASUS B21Bn4Q
- ASUS B21Bn9H
- ASUS D553MA
- ASUS ET2040
- ASUS ET2040INK
- ASUS ET2040IUK 1B
- ASUS F453MA
- ASUS F453SA
- ASUS F553M
- ASUS F553MA
- ASUS F553SA
- ASUS R413MA
- ASUS R515MA
- ASUS R515MA-Bing
- ASUS X453MA
- ASUS X453SA
- ASUS X553MA
- ASUS X553SA
Note: This list shows our documented compatible models, but there may be additional compatible devices. If you’re unsure about compatibility, please leave your specific model number or battery part number in the order notes, and we’ll verify before shipping.
When to Consider Battery Replacement
| Situation | Description |
|---|---|
| Short Battery Life | Laptop powers off quickly when unplugged (less than 30 minutes) |
| Swelling/Bulging | Battery appears swollen or causes case to bulge – replace immediately |
| Not Holding Charge | Battery drains rapidly even when device is in sleep mode |
| Charging Issues | Battery won’t charge fully or requires frequent recharging |
| System Warnings | OS shows “Replace Soon” or “Service Battery” messages |
| Age Factor | Original battery is 2+ years old with noticeable performance decline |
Estimated Battery Life by Usage
| Usage Scenario | Estimated Runtime |
|---|---|
| Web Browsing | 2-3 hours |
| Document Editing | 3-4 hours |
| Video Streaming | 1.5-2.5 hours |
| Light Gaming | 1-1.5 hours |
| Idle/Standby | 4-6 hours |
Note: These are conservative estimates for a new battery in older hardware. Actual runtime may be shorter than when your device was new due to increased software demands and general hardware aging.
Purchase Assurance
- 30-Day Money Back Guarantee
- 1-Year Warranty
- Free Shipping
- Brand New Product
- In Stock – Ships Within One Business Day
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