PA5045U-1BRS Battery for Toshiba Dynabook R730 R731 R732 R741 RX3

Product Overview

The PA5045U-1BRS is a high-quality OEM-grade replacement battery purpose-built for Toshiba Dynabook, Portege and Tecra business laptops, restoring a full 66Wh of dependable power (10.8V / 5800-6200mAh) so you can get through long meetings, travel days and heavy multitasking without hunting for a power outlet.

Manufactured with high-quality Grade-A Li-ion cells and an intelligent Battery Management System (BMS) featuring overcharge, over-discharge, over-current and short-circuit protection, this 100% brand-new replacement passes strict pre-shipment quality checks and is backed by a 1-year warranty.

Specifications

Standard Model	PA5045U-1BRS
Capacity	66Wh / 5800-6200mAh
Voltage	10.8V
Battery Type	Li-ion
Cell	High-Quality Grade-A Li-ion Cells
Color	Black
Condition	100% Brand New Replacement
Warranty	1-Year Warranty

Replace Part Numbers

• PA5045U-1BRS
• PA3831U-1BRS
• PA3832U-1BRS
• PA3833U-1BRS
• PA3929U-1BRS
• PA3930U-1BRS
• PA3931U-1BRS
• PA3932U-1BRS
• PABAS235
• PABAS236
• PABAS249
• PABAS250
• PABAS265

Compatible Models

• For Toshiba Dynabook R730
• For Toshiba Dynabook R731
• For Toshiba Dynabook R732
• For Toshiba Dynabook R741
• For Toshiba Dynabook R742
• For Toshiba Dynabook R751
• For Toshiba Dynabook R752
• For Toshiba Dynabook RX3
• For Toshiba Portege R700
• For Toshiba Portege R705
• For Toshiba Portege R830
• For Toshiba Portege R835
• For Toshiba Portege R930
• For Toshiba Portege R935
• For Toshiba Tecra R840
• For Toshiba Tecra R850
• For Toshiba Tecra R940
• For Toshiba Tecra R950

FAQ

Q: Will this PA5045U-1BRS battery fit my Toshiba Dynabook, Portege or Tecra laptop?

A: Yes. This replacement battery is designed for Toshiba Dynabook (R730, R731, R732, R741, R742, R751, R752, RX3), Toshiba Portege (R700, R705, R830, R835, R930, R935), Toshiba Tecra (R840, R850, R940, R950) series laptops. Before ordering, please confirm the battery model printed on your original battery label matches PA5045U-1BRS or one of the listed replacement part numbers (PA5045U-1BRS, PA3831U-1BRS, PA3832U-1BRS, PA3833U-1BRS, PA3929U-1BRS, PA3930U-1BRS, PA3931U-1BRS, PA3932U-1BRS, PABAS235, PABAS236, PABAS249, PABAS250, PABAS265).

Q: What capacity and voltage does this battery provide?

A: The battery delivers 66Wh at 10.8V (5800-6200mAh), matching the original OEM specification to restore the full battery life your laptop had when new.

Q: Is this battery safe and does it come with a warranty?

A: Yes. It is built with Grade-A Li-ion cells and a BMS that provides overcharge, over-discharge, over-current and short-circuit protection. The battery is 100% brand new, CE-compliant, ships safely, and is covered by a 1-year warranty with reliable after-sales support.