Lenovo ThinkPad R40 laptop battery, manufactured according to original specifications, is compatible to IBM/Lenovo ThinkPad Elite T400, R500, R61-8914, T61-8889, Z60m and so on. There’s no doubt that out of all the laptop batteries for Lenovo, ThinkPad R40, is the brand new batthery that can last long. If you aren't sure that it has high performance or is compatible, users can feel free to contact our customer service. USB Phone World also, gives a 12 month warranty for all products that we offer.
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