Description
Product Overview
This ASUS C21N1335 38Wh battery is a genuine replacement part designed specifically for compatible ASUS laptop models. Manufactured to meet original specifications, it ensures reliable performance and safe operation.
Specifications
- Battery Type: Lithium-ion
- Capacity: 38Wh
- Voltage: 14.4V
- Condition: Brand new
- Compatibility: See detailed list below
Compatibility Information
Part Numbers (P/N)
- C21N1335
- C21PqCH
- 0B200-00530100
Compatible Models
- ASUS VivoBook S451
- ASUS VivoBook S451L
- ASUS VivoBook S451LA
- ASUS VivoBook S451LB
- ASUS VivoBook S451LN
- ASUS VivoBook V451
- ASUS VivoBook V451L
Note: This list represents common compatible models. Many additional part numbers and models are supported. If you’re unsure about compatibility, please leave your specific laptop model or current battery part number in the order notes, and we’ll verify before shipping.
When to Consider Battery Replacement
Monitor these common signs indicating your laptop battery may need replacement:
| Symptom | Description | Severity |
|---|---|---|
| Reduced Runtime | Battery drains significantly faster than original capacity, lasting less than 1 hour under normal use | High |
| Swelling/Bulging | Battery case appears swollen or distorted, may cause trackpad/keyboard lifting | Critical – Replace Immediately |
| Failure to Charge | Battery won’t charge despite functional charger and proper connection | High |
| Random Shutdowns | Laptop turns off unexpectedly even with reported charge remaining | Medium-High |
| OS Battery Warnings | System notifications indicating “Replace soon” or “Service battery” | Medium |
| Age Indicator | Battery over 2-3 years old with noticeable performance decline | Medium |
Estimated Battery Life by Usage
Conservative estimates for ASUS C21N1335 38Wh battery under different scenarios:
| Usage Scenario | Estimated Runtime | Conditions |
|---|---|---|
| Web Browsing | 2-3 hours | Multiple tabs, Wi-Fi enabled, medium brightness |
| Document Editing | 3-4 hours | Word processing, spreadsheets, minimal background apps |
| Video Streaming | 1.5-2.5 hours | HD video playback, Wi-Fi enabled, medium brightness |
| Light Gaming | 1-1.5 hours | Casual games, integrated graphics, low settings |
| Standby/Sleep | 24-48 hours | Lid closed, connected standby enabled |
Important Note: These estimates are for new batteries used with older hardware. Actual runtime may be shorter than when your laptop was new due to increased software demands, background processes, and natural hardware aging that affects power efficiency.
Purchase Benefits
- Same-day shipping on business days
- 30-day money-back guarantee
- 12-month warranty coverage
- Free shipping
- In stock, ready to ship
- Genuine new product
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