Description
Product Overview
This ASUS B31N1346 48Wh replacement battery is designed to restore your laptop’s original performance. Manufactured to meet strict quality standards, it delivers reliable power for compatible ASUS devices.
Specifications
- Battery Capacity: 48Wh
- Voltage: 14.8V
- Chemistry: Lithium-ion
- Condition: Brand new
- Part Number: B31N1346
Compatible Part Numbers (P/N)
- 0B200-01010000
- 0B200-01010000M
- B31N1346
- B31Bn9h
Compatible Models
- ASUS C300MA Chromebook series
- ASUS C300SA Chromebook series
- ASUS Chromebook C300SA-DS02
Need Help Finding Your Model?
We’ve listed the most common compatible part numbers and models above, but there are many more compatible devices. If you don’t see your specific model listed, please leave your laptop model or battery part number in the order notes during checkout, and we’ll verify compatibility before shipping.
When Should You Replace Your Battery?
Here are common signs indicating it’s time for a battery replacement:
| Situation | Description |
|---|---|
| Short Runtime | Battery drains quickly even after full charge (less than 1-2 hours) |
| Swelling/Bulging | Battery appears swollen or causes case separation |
| No Charge | Battery won’t charge despite working charger |
| System Warnings | OS shows “Replace Battery” or “Service Battery” alerts |
| Random Shutdowns | Laptop turns off unexpectedly even with charge remaining |
| Age | Battery is 2+ years old with noticeable performance decline |
Estimated Battery Life by Usage
Conservative estimates for the 48Wh battery under different scenarios:
| Usage Scenario | Estimated Runtime |
|---|---|
| Web Browsing | 4-5 hours |
| Document Editing | 5-6 hours |
| Video Streaming | 3-4 hours |
| Light Gaming | 2-3 hours |
| Standby/Sleep | Multiple days |
Note: These are conservative estimates for a new battery used with older hardware. Actual runtime may be shorter than when your device was new due to increased software demands and natural hardware aging.
Purchase Benefits
- Same-day shipping on business days
- 30-day money-back guarantee
- 1-year manufacturer warranty
- Free shipping
- In stock, ready to ship





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