Description
Product Overview
This ASUS C21 X402 38Wh battery is a genuine replacement part designed specifically for compatible ASUS laptop models. Manufactured to meet original equipment specifications.
Specifications
- Capacity: 38Wh
- Chemistry: Lithium-ion
- Condition: Brand new
- Part Number: ASUS-C21-X402-38Wh
Compatible Part Numbers (P/N)
- 0B200-00300700
- 0B200-00300800
- C21-X402
Compatible Models
- ASUS VivoBook X402
- ASUS VivoBook X402C
- ASUS VivoBook X402CA
- ASUS S400
- ASUS S400C
- ASUS S400CA
- ASUS X402CA
When to Consider Battery Replacement
| Situation | Description |
|---|---|
| Short Battery Life | Laptop powers off quickly when unplugged, lasting less than 1 hour |
| Battery Not Charging | Battery percentage doesn’t increase when charger is connected |
| Swollen Battery | Battery appears bloated or causes laptop case to bulge |
| System Warnings | OS displays “Consider replacing your battery” or similar alerts |
| Age Factor | Battery is over 2 years old with noticeable performance decline |
| Intermittent Power | Laptop randomly shuts down even with charge remaining |
Compatibility Note
The compatible part numbers and models listed are not exhaustive. If you don’t see your specific model or part number listed, please leave your laptop model or current battery part number in the order notes during checkout. We will verify compatibility before shipping.
Shipping & Warranty
- Ships within one business day
- 30-day money-back guarantee
- 1-year manufacturer warranty
- In stock – ready to ship
- Free shipping
- 100% brand new product
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