Description
Product Overview
This ASUS B21N1505 32Wh B Battery is a genuine replacement battery designed specifically for various ASUS VivoBook models. With 32Wh capacity and precise compatibility, it delivers reliable power for your laptop.
Key Features
- 32Wh Capacity
- Lithium-ion Technology
- Direct Replacement for Original Battery
- One Business Day Shipping
- 30-Day Money Back Guarantee
- 1-Year Warranty
- In Stock – Brand New
- Free Shipping
Compatibility Information
Part Number (P/N)
- B21N1505
- 0B200-01400200
- 0B200-01400300
- B21Bn91
Compatible Models
- ASUS E402M, E402S, E502S
- ASUS VivoBook E402MA, E402NA, E402SA, E402WA, E402YA
- ASUS VivoBook F402NA, F402WA
- ASUS VivoBook L402NA, L402SA
- ASUS VivoBook R147SA, R417MA
- ASUS VivoBook X402MA, X402NA, X402SA, X402YA
Note: This list shows only the most common compatible models. If you don’t see your specific model listed, please leave your laptop model or current battery part number in the order notes during checkout, and we’ll verify compatibility for you.
When to Replace Your Laptop Battery
| Situation | Description | Recommendation |
|---|---|---|
| Short Battery Life | Battery drains quickly, lasting less than 1 hour | Immediate replacement needed |
| Swelling/Bulging | Battery appears swollen or deformed | Replace immediately for safety |
| Not Charging | Battery won’t charge despite working charger | Replace battery |
| System Warnings | OS shows “Consider replacing your battery” | Plan replacement soon |
| Over 2 Years Old | Original battery aged 2+ years with reduced performance | Consider replacement |
| Random Shutdowns | Laptop shuts down unexpectedly even with charge | Replace battery |
Estimated Battery Life by Usage
| Usage Scenario | Estimated Runtime | Notes |
|---|---|---|
| Web Browsing | 3-4 hours | Moderate brightness, multiple tabs |
| Document Editing | 4-5 hours | Word processing, spreadsheets |
| Video Streaming | 2-3 hours | HD video playback |
| Gaming | 1-2 hours | Light to moderate gaming |
| Idle/Standby | 6-8 hours | Minimal activity, sleep mode |
Important Note: These estimates are for new batteries used with older hardware. Actual battery life may be shorter than when your laptop was new due to increased software demands and general hardware aging. Conservative estimates ensure realistic expectations.
Purchase Assurance
We guarantee same-day shipping on business days, 30-day hassle-free returns, full one-year warranty coverage, and free shipping on all orders. All products are brand new and ready to ship from our warehouse.
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