ThinkAccessories ThinkPad Slim Battery
Price: $11900
ThinkAccessories ThinkPad Slim Battery
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Lenovo ThinkAccessories ThinkPad Ultrabay / Slim / Li-Polymer / Battery (08K8190)

Item#:  145130  | Model#: 08K8190
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Additional Resources

ThinkAccessories ThinkPad Slim Battery Product Details

ThinkAccessories Ultrabay!
Slim Li-Polymer Battery for ThinkPad T40s

ThinkPad T40 Series customers with extended unplugged power needs will want to consider keeping an extra battery in the Ultrabay Slim device bay. The ThinkPad Ultrabay Slim Li-Polymer Battery is a rechargeable battery, which can be used in the Ultrabay Slim of the ThinkPad T40 Series. Adding this battery to your system extends your unplugged usage time. For maximum unplugged operating time, customers will want both the ThinkPad T40 Series High-Capacity Li-Ion Battery and the ThinkPad Ultrabay Slim Li-Polymer Battery. This battery has an output of 10.8V and can be recharged in 2.8 to 4.0(1) hours, depending on the ThinkPad system usage.

Swap out your optical drive with a second battery to increase your unplugged power supply. The ThinkPad Ultrabay Slim Li-Polymer Battery fits neatly into the Ultrabay Slim bay. It can be used with the system battery or the optional ThinkPad T40 Series High Capacity Li-Ion Battery for all day computing (up to 8 hours on select systems).


  • Model Name: 08K8190
  • Description: ThinkPad Ultrabay Slim Li Polymer Battery
  • Architecture:
    - Depth Metric - 140 mm
    - Depth US - 5.51 in
    - Height Metric - 9.5 mm
    - Height US - 0.37 in
    - Weight Metric - 0.22 Kg
    - Weight US - 0.48 lbs
    - Width Metric - 130 mm
    - Width US - 5.12 in
  • Battery:
    - Battery Types Lithium-Ion
    - Battery Voltage 10.8 V
  • Limited warranty period: One year
  • Weight & Dimensions:
    - Depth 5.51 in
    - Height 0.37 in
    - Weight 0.48 lbs
    - Width 5.12 in
  • Power Management:
    - Battery type(s) Lithium-Ion
  • Environmental Information:
    - Maximum Operating Humidity 80 %
    - Maximum Operating Temperature 35 C
    - Minimum Operating Humidity 8 %
    - Minimum Operating Temperature 5 C


  • Operates and recharges in the Ultrabay Slim bay of the ThinkPad system
  • Power of a second battery without having to carry around a spare loose battery
  • Similar specifications to the standard system battery - Use it in the Ultrabay bay of the ThinkPad system along with your standard system battery to get up to twice the unplugged usage time as the standard system battery alone. Since the battery works in the Ultrabay Slim you don't have to suspend the system to swap out the system battery to use the ThinkPad for an extended period of time.
  • Compatible with ThinkPad T40 systems
  • Backed by IBM Service and Support

Additional Resources: Product Manuals

  • Manufactured by: Lenovo
    Warranty provided by: Lenovo
    UPC No: 087944873556
    Mfg Part No: 08K8190
  • Box Size: ( Length:10, Width:7, Depth:2)
    Shipping Weight: 1.6200 pound(s)
    Click here for full warranty and support information
  • Lenovo logos are registered trademarks of Lenovo. All others trademarks and copyrights mentioned herein are the property of their respective owners.
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