Dimensions: 150.70 x 85.10 x 20.50 (mm) 
    Voltage: 10.80V (Compatible with 11.10V)
    Capacity: 4000 mAh
    Battery Type: Li-ion
    Color: Black
    Condition: Brand new, 1 year warranty!

  Replaces these batteries: 02K6821, 02K6822, 02K6823, 02K6824, 02K6825, 02K6829, 02K6830, 02K6832

  Fits these Laptop:
  IBM ThinkPad R Series
  IBM ThinkPad R30 Series
  IBM ThinkPad R31 Series