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Toshiba Tecra R850 R950 Battery PA3904U PA3904U-1BAS PA3904U1BRS PA3905U PA3905U-1BAS PA3905U
Toshiba Tecra R850 R950 6 Cell Battery PA3904U-1BRS
List Price: $149.90
Our Price: $69.90

Toshiba Tecra R850 R950 series Battery Replacement PA3904U-1BRS

This is a brand new Toshiba Tecra R850 R950 premium grade replacement battery. The superior South Korean cells inside the battery cartridge will provide longer run times between charges as well as a longer service life than cheaper batteries. In addition, Li-ion batteries are not subject to the memory effect common with older battery technology. This means you can recharge your laptop any time without diminishing your battery capacity. This laptop battery replacement is typically superior to the original battery and is 100% compatible with your Toshiba Tecra R850 R950 notebook computer. The battery is individually tested before shipment and backed by 30 day complete satisfaction guarantee and a 2 Year warranty.

  • Brand:
  • Voltage:
  • Battery Capacity:
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  • Cell Origin:
  • Color:
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  • Useful Life:
  • XTend computer battery
  • 10.8 Volts - same as 11.1 Volts
  • 5200 mAh
  • 6 Cell Li-ion
  • Samsung (South Korea)
  • Black
  • 2 Year Warranty
  • 30 day full satisfaction guarantee
  • 300-500 recharge cycles

You can expect about 3 hours to 5 hours of run time with this computer battery when new, depending on your energy use. The higher capacity battery cells inside this cartridge have an energy capacity of 5200 mAh. This battery will be compatible with batteries rated at 4400 & 4800 mAh capacities while providing up to 20% more run time.

This battery replaces the Toshiba Tecra R850 R950 series laptop batteries and a host more which are listed at the extreme bottom of this web page.

Replaces these many Toshiba laptop battery part numbers:


Laptop Battery Express only deals with brand new premium computer batteries. We never carry recycled or used batteries. We only use the highest quality cells inside the battery pack so you will have a long service life (300-500 recharge cycles). We do not use cheaper battery cells which can wear out in a little as 6 months. Our inventory turns rapidly and you will always receive a freshly manufactured battery.