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.
Note:
This is not a complete list or inclusion of all compatible laptop models. You can open the back of your laptop to check the original battery model. If you have any compatibility questions, please contact us online.The casing is made of durable materials, the mainboard adopts advanced technology, and the battery core is produced with high-quality raw materials to ensure that it will not be damaged after long-term use.
Our products are equipped with multiple protection technologies such as overvoltage, overcurrent, and overcharge to effectively protect the safety of batteries and equipment.
Shipping Methods
| Shipping Methods | Ship To | Est. Delivery Time | Shipping Cost | Taxes & Fees |
|---|---|---|---|---|
| USPS / DHL | United States | 10-15 business days | Free | Free |
| Canada Post | Canada | 10-15 business days | Free | Free |
| Royal Mail / Yodel | United Kingdom | 15-20 business days | Free | Free |
| DHL | Germany | 15-20 business days | Free | Free |
| La Poste | France | 15-20 business days | Free | Free |
| Correios | Mexico/Spain/IT | 15-25 business days | Free | Free |
| Local Carriers | SE Asia / East Asia | 5-10 business days | Free | Free |
| Local Carriers | Rest of Europe | 20-25 business days | From $5.99 | Free |
| Local Carriers | UAE / Saudi Arabia / Israel | 16-20 business days | From $7.99 | Free |
📦 Shipping & Tracking Information
Looking for faster shipping? We offer local warehousing services. Please visit our "Local Delivery" page for items available for immediate dispatch.
1. How to Track Your Package:
Please choose the tracking link that corresponds to your destination:
- Europe & The Americas: 17track.net/en
- The Middle East: mena56.com
- Asia: 17exp.kingtrans.cn
Need Help?
If you cannot find your package on any of the above websites, please contact us immediately.
📧 Email: sales@batterymall.com / info@batterymall.com
📱 WeChat/WhatsApp: (+86) 198 6775 1872 / (+86) 191 2767 3310
🚚 Estimated Delivery Time
(1) Shipping from China:
- To Asia: 5-20 business days
- To North America: 10-15 business days
- To Europe/South America: 15-20 business days
(2) Shipping from Local Warehouses:
- From US Warehouse: 3-5 business days
- From European Warehouse: 2-10 business days
- From Russian Warehouse: 3-5 business days
Please note: Exact arrival times depend on the specific country and customs processing.
⚠️ Tax & Customs Information:
Global product prices include customs duties (some countries require a tax ID). Please refer to the settlement invoice for specific shipping costs. Special handling is required if your package is inspected.
Payment Methods
Paypal
Payments by PayPal, no PayPal account required. Paypal is safe and free for buyers.
PayPal account: Payment@batterymall.com
Account Name: ShenZhen KingSener Science and Technology Co., Ltd
Credit or debit card
VISA, MasterCard, the United States n Express,Maestro & Laser Card, APPLE Pay,etc.
PayPal never shares your financial information with us.
WeChat Pay
Currently only supports QR code payment. Please contact WeChat customer service and go to WeChat App to scan the QR code to complete the payment.
Google Pay
Pay with Google Pay, which is more convenient and faster.
Apple Pay
If you use an Apple device, you can use Apple Pay to pay, which is more convenient and faster.
Bank Transfer
Q&A
Quick FAQ:Laptop Battery Care & Troubleshooting
- How long does a KingSener battery last?2 to 3 years (approx. 500-800 charge cycles) under normal temperatures.
- Laptop says "Battery Not Detected". How to fix?1. Hard Reset: Unplug AC, remove battery, hold power button for 30 seconds.
2. Clean Contacts: Wipe metal connection pins.
3. Reset Drivers: Uninstall battery drivers in Device Manager, then restart.
4. Update BIOS: Ensure motherboard firmware is up to date. - Can I leave my laptop plugged in 24/7?Yes, the built-in TI chip prevents overcharging. Tip: To prevent long-term cell swelling, unplug and drain the battery to 40% twice a month.
- How do I store a laptop battery long-term?Store it at 50% charge in a cool, dry place. Never store at 0% or 100%. Cycle the battery every 3 months to maintain chemical activity.
-
Are KingSener batteries safe?Yes. All batteries feature built-in IC protection against short-circuits, over-voltage, and overheating. Fully CE, FCC, and RoHS certified.