Tom is online editor. He studied English Literature and History at Sussex University before gaining a Masters in Newspaper Journalism from City University. He's particularly interested in the public sector and the ethical implications of emerging technologies.
Modern smartphones come equipped with huge screens with high resolutions, a myriad of apps and powerful processor, but heavy use all those features rapidly drains the battery.
With heavy use you're lucky if your phone will last a day on a single charge, which can leave you with a dead device when you least need it. Power banks offer a solution.
Our top picks are:
Read on for the full list.
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