Description
Product Overview
This ASUS C21N1309 38Wh replacement battery is designed to restore your laptop’s mobility and performance. Manufactured to meet original specifications, it delivers reliable power for compatible ASUS models.
Specifications
- Battery Type: Lithium-ion
- Capacity: 38Wh
- Voltage: 14.4V
- Condition: Brand new
- Compatibility: See detailed lists below
Compatibility Information
Part Numbers (P/N)
- 0B200-00580000
- 0B200-00580100
- PS6354B3
- C21N1309
Laptop Models
- VivoBook Q301LA
- VivoBook S301LA
- VivoBook S301LP
Note: This battery is compatible with additional part numbers and models not listed here. If you’re unsure about compatibility, please leave your laptop model or current battery part number in the order notes during checkout, and we’ll verify before shipping.
When to Consider Battery Replacement
Here are common indicators that your laptop battery may need replacement:
| Symptom | Description |
|---|---|
| Short Runtime | Battery drains quickly even after full charge |
| Charging Issues | Battery won’t charge fully or charges intermittently |
| Swelling/Bulging | Physical deformation of battery casing |
| System Warnings | OS displays “Consider replacing your battery” messages |
| Unexpected Shutdowns | Laptop turns off suddenly even with charge remaining |
| Overheating | Battery becomes excessively hot during use or charging |
| Age Factor | Battery is 2+ years old with noticeable performance decline |
Estimated Battery Life by Usage
Conservative estimates for ASUS C21N1309 38Wh battery under different usage scenarios:
| Usage Scenario | Estimated Runtime |
|---|---|
| Web Browsing & Email | 3-4 hours |
| Document Editing | 3.5-4.5 hours |
| Video Streaming | 2-3 hours |
| Gaming | 1-2 hours |
| Mixed Use | 2.5-3.5 hours |
| Standby/Sleep | 8-12 hours |
Important Note: New replacement batteries used with older laptops may provide shorter runtime compared to when the laptop was new. This is normal due to increased software demands, background processes, and natural hardware aging that affect overall power efficiency.
Purchase Benefits
- One business day shipping
- 30-day money back guarantee
- One year warranty
- In stock, ready to ship
- Brand new product
- Free shipping
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