It was that time of the year again. When I got ready to head out into the wilds. Armed with nothing more than my trusty smartphone (in years past, a Nokia 9500, an E61i and an E90, this year it was the E75's turn), the aim was to keep in touch with the world even when camped miles from anywhere with my family. But what about power? How did I keep my smartphone supplied with juice? Not mention the barrage of 'Daddy, my xxxx's battery is flat' complaints, all of which needed to be handled quickly if a peaceful atmosphere was to be maintained!

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