Description
Product Overview
This ASUS C21N1408 37Wh replacement battery provides reliable power for your compatible ASUS laptop. Manufactured to meet original specifications, it ensures optimal performance and safety.
Specifications
- Battery Part Number: C21N1408
- Capacity: 37Wh
- Voltage: 11.4V
- Chemistry: Lithium-ion
- Condition: Brand new
Compatible Part Numbers (P/N)
- 0B200-01130100
- 0B200-01130300
Compatible Models
- A555LJ
- C21PqCH
- F554LA, F554LD
- F555LA, F555LB, F555LD, F555LF, F555LJ, F555LN, F555LP
- K555LB, K555LJ
- R556LA, R556LD, R556LF, R556LJ, R556LN
- R557LA
- X554LA
- X555LA, X555LB, X555LD, X555LF, X555LJ, X555LN
- X555UQ
Important Compatibility Note
Many compatible part numbers and laptop models exist beyond what we’ve listed. If you’re unsure about compatibility, please leave your specific laptop model or current battery part number in the order notes during checkout. We will verify compatibility before shipping.
When to Replace Your Laptop Battery
| Situation | Description |
|---|---|
| Short Runtime | Battery drains significantly faster than original capacity, lasting less than 1 hour |
| Swelling/Bulging | Battery case appears swollen or distorted – replace immediately for safety |
| Charging Issues | Battery won’t charge fully or requires frequent recharging |
| System Warnings | OS displays “Replace Battery” or “Battery Health: Poor” messages |
| Age Factor | Battery is 2+ years old with noticeable performance degradation |
| Random Shutdowns | Laptop turns off unexpectedly even with reported charge remaining |
Estimated Battery Life by Usage
| Usage Scenario | Estimated Runtime |
|---|---|
| Web Browsing & Email | 2-3 hours |
| Document Editing | 2.5-3.5 hours |
| Video Streaming | 1.5-2.5 hours |
| Gaming | 1-1.5 hours |
| Mixed Use | 2-2.5 hours |
| Standby/Sleep | 5-7 days |
Note: These are conservative estimates for a new battery in older hardware. Actual runtime may be shorter than when your laptop was new due to increased software demands and general hardware aging.
Shipping & Warranty
- Ships in 1 business day
- 30-day money back guarantee
- 1-year warranty
- In stock – ready to ship
- Free shipping
- 100% brand new product
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