This is a generic, equivalent one, 100% compatible! 10.80V 4400mAh 6 Cells replacement/equivalent Rechargeable Li-ion battery is 100% compatible with Lenovo Thinkpad R500 R61 R61e R61i T61 T61p Series, Brand new, one year warranty!

Compatible with the following Lenovo Laptop models:
For Lenovo R500,
For Lenovo Thinkpad R500,
For Lenovo ThinkPad T500,
For Lenovo Thinkpad W500,
For Lenovo IdeaPad SL500

For Lenovo ThinkPad T61 Series(14.1" standard screens and 15.4" widescreen),
For Lenovo ThinkPad T61p Series(14.1" standard screens and 15.4" widescreen),
For Lenovo ThinkPad R61 Series(14.1"&15.0" standard screens and 15.4" widescreen),
For Lenovo ThinkPad R61i Series(14.1"&15.0" standard screens and 15.4" widescreen),
For Lenovo ThinkPad R61e Series(15.4" widescreen)

For Lenovo ThinkPad R61 Series
ThinkPad R61 8914, ThinkPad R61 8918,
ThinkPad R61 8932, ThinkPad R61 8942, ThinkPad R61 8943

For Lenovo ThinkPad R61e Series
ThinkPad R61e 7649, ThinkPad R61e 7650

For Lenovo ThinkPad R61i Series
ThinkPad R61i 7650, ThinkPad R61i 8918,
ThinkPad R61i 8932, ThinkPad R61i 8943

For Lenovo ThinkPad T61 Series
ThinkPad T61 6457, ThinkPad T61 6460, ThinkPad T61 6466,
ThinkPad T61 8889, ThinkPad T61 8891, ThinkPad T61 8895,
ThinkPad T61 8897, ThinkPad T61 8898

For Lenovo ThinkPad T61p Series
ThinkPad T61p 6459, ThinkPad T61p 6460, ThinkPad T61p 8889,
ThinkPad T61p 8891

Specifications:
◆ Product type: generic/equivalent
◆ Voltage: 10.80V
◆ Capacity: 4400mAh
◆ Dimension: 204.90 x 58.60 x 20.50 mm
◆ Battery Composition: Li-ion
◆ Condition: brand new, 1 year warranty!
◆ No memory effect, Over-charge protection, Short-circuit protection.

Notice:
If your battery part NO. or your machine model NO. are not listed in the description, our battery may still fit your laptop. Therefore, please feel free to contact us to confirm the compatibility.