Toshiba PA5107U-1BRS 43Wh Replacement Laptop Battery
The PA5107U-1BRS replacement laptop battery provides a highly dependable, long-lasting power upgrade to seamlessly restore portable runtime for your Toshiba Satellite S55, S55t, P55, and P55t series laptops. Moreover, its proven Lithium-Ion cell arrangement and stable 14.4V / 14.8V output design deliver smooth energy delivery to keep your device running continuously during essential daily work, web browsing, or studying. Consequently, this high-performance compatible battery serves as an economical, highly cost-effective power replacement to eliminate unexpected system shutdowns and dead battery issues. Therefore, you can safely work on the move again immediately after a simple snap-in installation without worrying about continuous charger connection. Furthermore, integrated circuit protection controls and overcharge safeguards are natively built-in to prevent overheating and ensure maximum battery lifespan safety.
■ Technical Specifications
| Battery Model Series | PA5107U-1BRS Series |
| Battery Type & Cells | 4-Cell Rechargeable Lithium-Ion (Li-Ion) Replacement |
| Total Capacity | 43 Wh (2800 mAh Standard Power Output) |
| Output Voltage | 14.4V / 14.8V Compatible Standard |
| Safety Architecture | Built-in Overcharge, Over-discharge & Short Circuit Protection |
| Warranty Protection | 6-Month El Hassan Quality Guarantee |
■ Confirmed Laptop Compatibility
- • Toshiba Satellite S55 Series (S55-A5164, S55-A5165, S55-A5167, S55-A5169, S55-A5197, S55-A5235)
- • Toshiba Satellite S55t Series (S55T-A5237, S55T-A5277, S55T-A5334)
- • Toshiba Satellite S55-A, S55t-A, S50, S50-A, S50t-A Series
- • Toshiba Satellite P55, P55-A, P55t, P55t-A, P50, P50-A Series
- • Toshiba Satellite L50-A, L55-A, E55-A, E55t-A Series
- • Compatible Part Numbers: PA5107U-1BRS, PA5107U, PABAS273
Battery Care Tip: For optimal battery calibration, charge your new replacement battery to 100% before first use, then discharge it to around 15% across the first 3 full cycles.

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