T42 9-cell batteries

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I'm thinking of upgrading my ageing battery to a 9-cell.

Do you all still recommend getting an original Lenovo one rather than a BTI or EReplacements one?

I've found an original Lenovo one for $109 here but am going to be placing an order at Newegg for some other stuff so would have liked to order the battery from there too but they only seem to have 3rd party batteries and they aren't any cheaper than the Lenovo one on that other site.
Should I stick to Lenovo?

Thanks

[awolfe63]

I've had very good luck with Lenovo - 1 failure that was quickly replaced under warranty. With other places, my results have been mixed. Sometimes, I get a 6-12 month old battery that starts to lose capacity pretty quickly. You pays your money and takes your chance....