Audience at Ifa show in Berlin
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Ifa 2014: Is there a better battery life to come?

Battery life length is one of the top complaints that consumers raise about modern smartphones.

Because it is a key driver for choosing phones, manufacturers are taking it very seriously.

The BBC's Dave Lee spoke to industry experts at Berlin's Ifa tech show, to see if there is a better, longer battery life on the horizon for smartphone users.

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