By VladTeodor / Getty Images Under pressure from consumers, but also from legislators, smartphone manufacturers are now being forced to find ways to improve the lifespan of their devices. And this starts with their batteries, which often lose their effectiveness very quickly. Some solutions are already on the market, while others are in the pipeline. Under pressure from consumers, but also from legislators, smartphone manufacturers are now being forced to find ways to improve the lifespan of their devices. And this starts with their batteries, which often lose their effectiveness very quickly….

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