Description
Product Overview
This ASUS C31N1339 50Wh battery is a genuine replacement part designed specifically for compatible ASUS laptop models. Manufactured to meet original equipment specifications.
Specifications
- Capacity: 50Wh
- Voltage: 14.4V
- Chemistry: Lithium-ion
- Condition: Brand new
- Part Number: C31N1339
Compatible Part Numbers
- 0B200-00930000
- 0B200-00930100
- 0B200-00930200
- 0B200-00930300
- C13Po93
Compatible Models
- ASUS Transformer Book Flip TP300 Series
- ASUS Transformer Book Flip TP300L Series
- ASUS Transformer Book Flip TP300LA Series
- ASUS Transformer Book Flip TP300LD Series
- ASUS Transformer Book Flip TP300LJ Series
- ASUS Transformer Book Flip TP300UA Series
- ASUS ZenBook UX303LA
- ASUS ZenBook UX303LB
- ASUS ZenBook UX303LN
- ASUS ZenBook UX303UA
- ASUS ZenBook UX303UB
Compatibility Note
This battery is compatible with additional part numbers and models beyond those 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
| Symptom | Description |
|---|---|
| Short Battery Life | Battery drains quickly, lasting less than 1 hour on full charge |
| Swelling/Bulging | Battery case appears swollen or distorted in shape |
| Charging Issues | Battery won’t charge fully or charges intermittently |
| System Shutdowns | Laptop shuts down unexpectedly even with charge remaining |
| Age Indicator | Battery is over 2-3 years old with reduced performance |
| OS Warnings | Operating system displays “Replace Battery” or similar alerts |
| Overheating | Battery becomes excessively hot during use or charging |
Shipping & Warranty
- Ships in 1 business day
- 30-day money back guarantee
- 1-year warranty
- In stock, ready to ship
- Free shipping
- 100% new product




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