3 of 3 people found the following review helpful
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This review is from: 9cell Replacement IBM LENOVO Think Pad R61 T61 R61i R61e T400 R400 Series Laptop Battery 42T5225 42T5227 42T5262 42T5264 42T5229 41U3197 42t5263 42t5230 43R2499 42T4530 42T4531 series Laptop. (Electronics)
I bought this product to replace a failing battery for my T400. It is a great replacement item. A little larger and heavier that the original, but barely noticeable. I now get up to 4 Hrs of battery life. Worth every penny!