Description
Product Overview
This is a genuine replacement battery for Toshiba laptops, part number PA3904U-1BRS with 48Wh capacity. It’s a brand new product with one business day shipping, 30-day refund policy, one-year warranty, in-stock availability, and free shipping.
Specifications
- Part Number: PA3904U-1BRS
- Capacity: 48Wh
- Chemistry: Lithium-Ion
- Condition: Brand New
Compatible Part Numbers (P/N)
- 3UR18650A2TBO27A
- G71C000BR510
- G71C000BS110
- G71C000BS610
- P000541010
- P000542440
- P000551720
- P000552150
- P000614700
- P000614710
- P71C000BS5AA
- P71C000BS6AA
- PA3905U-1BRS
- PABAS245
- PABAS246
Compatible Models
- Satellite Pro R850
- Satellite Pro R950
- Satellite R850
- Tecra R850
- Tecra R950
Need Help Finding the Right Battery?
We’ve listed the most common compatible part numbers and models above, but there are many more compatible options. If you’re unsure whether this battery fits your device, please leave your laptop model number or current battery part number in the order notes during checkout. We’ll verify compatibility before shipping.
When Should You Replace Your Battery?
| Situation | Description |
|---|---|
| Short Runtime | Battery drains significantly faster than when new, lasting less than 1 hour |
| Swelling/Bulging | Battery case appears swollen or distorted in shape |
| Not Charging | Battery won’t charge despite using correct charger |
| Overheating | Battery becomes unusually hot during use or charging |
| System Warnings | Laptop shows “Replace Battery” or similar warnings |
| Age | Battery is over 2-3 years old with noticeable performance decline |
Estimated Battery Life by Usage
| Usage Scenario | Estimated Runtime |
|---|---|
| Web Browsing | 2-3 hours |
| Document Editing | 3-4 hours |
| Video Playback | 1.5-2.5 hours |
| Gaming | 1-1.5 hours |
| Standby/Sleep | 8-12 hours |
Note: These are conservative estimates for a new battery used with older hardware. Actual runtime may be shorter than when your laptop was new due to increased software demands and natural hardware aging.
Shipping & Warranty
- Ships within one business day
- 30-day money-back guarantee
- 1-year manufacturer warranty
- Free shipping
- Brand new condition
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