Description
48Wh PA3904U-1BRS Battery for Toshiba Satellite Pro R850, R950, Satellite R850 and Tecra R850 / R950 Series
This 48Wh Toshiba PA3904U-1BRS battery is designed for compatible Toshiba
Satellite Pro, Satellite, and Tecra business laptops, including selected R850 and
R950 series models. It is a suitable choice when your current battery drains
quickly, no longer holds a charge, or your Toshiba laptop needs stable portable power again.
With a 10.8V output voltage, 4400mAh / 48Wh capacity, and
6-cell battery design, this battery supports everyday business and home use such
as office work, browsing, email, documents, video meetings, study, and travel.
Product Information
| Item Condition | Brand New |
| Color | Black |
| Capacity | 4400mAh / 48Wh |
| Output Voltage | 10.8V |
| Number of Cells | 6 Cells |
| Package Included | 1 x Battery for Toshiba |
| Warranty | 12 Months / 30-Day Return |
Compatible Part Numbers
Please compare the part number printed on your current battery before ordering. This battery is
suitable for the following Toshiba battery part numbers:
- Toshiba PA3904U-1BRS
- Toshiba PA3905U-1BRS
- Toshiba PABAS245
- Toshiba PABAS246
- Toshiba 3UR18650A2TBO27A
- Toshiba G71C000BR510
- Toshiba G71C000BS110
- Toshiba G71C000BS610
- Toshiba P000541010
- Toshiba P000542440
- Toshiba P000551720
- Toshiba P000552150
- Toshiba P000614700
- Toshiba P000614710
- Toshiba P71C000BS5AA
- Toshiba P71C000BS6AA
Compatible Model Series
This Toshiba PA3904U-1BRS battery is designed for the following Toshiba laptop model series.
Please check both your laptop model and battery part number before placing your order.
- Toshiba Satellite Pro R850
- Toshiba Satellite Pro R950
- Toshiba Satellite R850
- Toshiba Tecra R850
- Toshiba Tecra R950
When Should You Replace Your Toshiba Business Laptop Battery?
If your Toshiba Satellite Pro, Satellite, or Tecra laptop no longer provides enough runtime for
normal use, replacing the battery can help restore convenient portable performance without replacing
the entire laptop.
- The battery drains much faster than before.
- The laptop shuts down unexpectedly during use.
- The battery percentage drops suddenly or behaves abnormally.
- The laptop only works when connected to the charger.
- The battery does not charge to full capacity.
- Windows or BIOS shows a battery health warning.
Why Buy This PA3904U-1BRS Battery?
- Designed for Toshiba R-series laptops: suitable for selected Satellite Pro R850, Satellite Pro R950, Satellite R850, Tecra R850, and Tecra R950 models.
- 48Wh capacity: supports everyday business use, office work, browsing, email, documents, and travel.
- 6-cell battery design: made for compatible Toshiba systems using the listed PA3904U-1BRS battery specifications.
- Stable power output: built for compatible laptops that use 10.8V PA3904U-1BRS batteries.
- Brand new battery: a practical option when your current battery becomes weak or unreliable.
- 12-month warranty: gives customers more confidence when ordering.
- 30-day return policy: provides extra peace of mind after purchase.
Important Compatibility Reminder
Toshiba laptop batteries may look similar but can have different voltage, connector position,
battery shape, capacity, or internal layout. Before ordering, please confirm that your current
battery part number matches one of the listed part numbers, such as PA3904U-1BRS,
PA3905U-1BRS, PABAS245, PABAS246,
G71C000BR510, G71C000BS110, G71C000BS610,
P000541010, P000542440, P000551720,
P000552150, P000614700, P000614710,
P71C000BS5AA, or P71C000BS6AA.
You can usually find the battery part number printed on the battery label. You can also check your
Toshiba model number on the bottom cover, system information page, BIOS, or original device label.
Installation Notes
- Turn off the laptop completely before replacing the battery.
- Disconnect the charger and any external devices.
- Remove the old battery carefully and make sure the new battery is properly aligned.
- Do not bend, puncture, disassemble, or force the battery during installation.
- After installation, charge the battery fully before regular use.
- If you are not familiar with laptop repair, professional installation is recommended.
Frequently Asked Questions
Is this battery suitable for Toshiba PA3904U-1BRS?
Yes. This battery is suitable for Toshiba PA3904U-1BRS and related part numbers including
PA3905U-1BRS, PABAS245, PABAS246, G71C000BR510, G71C000BS110, G71C000BS610,
P000541010, P000542440, P000551720, P000552150, P000614700, P000614710,
P71C000BS5AA, and P71C000BS6AA.
Does this battery fit Toshiba Satellite Pro R850 and R950?
Yes. This battery is listed for Toshiba Satellite Pro R850 and Satellite Pro R950 series laptops.
Can this battery be used for Toshiba Satellite R850?
Yes. Toshiba Satellite R850 is included in the compatible model list for this battery.
Does this battery support Toshiba Tecra R850 and Tecra R950?
Yes. This battery is listed for Toshiba Tecra R850 and Toshiba Tecra R950 models.
What voltage is this battery?
This battery has an output voltage of 10.8V. Please compare it with the voltage printed on your
current battery before purchase.
What capacity is this battery?
The battery capacity is 4400mAh / 48Wh.
How many cells does this battery have?
This battery uses a 6-cell design.
Is this battery brand new?
Yes. This product is listed as brand new.
What should I check before buying?
Please check your Toshiba laptop model, current battery part number, battery voltage, and battery
shape. The safest way to confirm fit is to compare the part number on your current battery with
the part numbers listed above.
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