Power cut? How to make your smartphone battery last longer
Why knowing how to conserve your phone's battery could be just as important as owning a power bank. The UK Government has recently launched its "Be Ready campaign" (https://www.gov.uk/government/news/households-encouraged-to-take-small-simple-steps-to-stay-prepared-in-an-emergency), encouraging households to think about how prepared they would be if essential services were disrupted. Among its recommendations is a sensible one: keep a charged power bank available in case the electricity supply fails. But something struck me when I read that advice. What about making the battery charge we already have last longer? After all, there's little point in having a fully charged power bank if we're unnecessarily draining our phone's battery in the first place. Most of us charge our smartphones almost without thinking. We plug them in overnight, top them up during the day and rarely worry about running out of power. But what happens when plugging them in is no longer an...