Battery will not pass 98% charge

Sorry to start yet another battery update thread but I could not find a definitive answer yet.
I have had my MacBook for 11 days now and after installing the battery update at the weekend, my battery's charge will not exceed 98% - its usually plugged in to the mains day and night - only spends about an hour a day running on battery.
I read:
Battery exhibits low charge capacity/runtime when using a fully charged battery with a battery cycle count (as shown in System Profiler) of less than 300.
Is 98% "low charge" in the eyes of Apple? Should I contact them and go to the store?
Thanks
Jack

It's totally normal. No worries.
Apple portable computer's battery does not show a full charge in Mac OS X
Some more info.
Lithium-ion Batteries
Calibrating your computer's battery for best performance

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