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An Asus UK spokeswoman said: "Asus offers different solutions in different markets. In EU countries, we use 4400mAh [with the] Eee 900. However, we give a two-year warranty within the country you bought the Eee 900."

So just as there's a trade-off buying the Windows XP version of the Eee PC 900 - pay for the Microsoft OS and get less storage capacity, 12GB rather than the 20GB found in the Linux version - in Europe there seems to be a trade-off between battery capacity and warranty period.

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