The vivo S19 series has arrived with a passion for photography and a cutting edge battery. There are two phones – vanilla and Pro – with the Pro model packing more processing power and an extra camera, though we’re sure that the vanilla model will have its fans too. vivo S19 We have to talk about the battery first – the vivo S19 is quite slender at 7.19mm and isn’t too heavy at 193g. And yet it has a 6,000mAh battery inside. This is thanks to vivo’s Blue Ocean tech, which achieves 809Wh/L energy density. The extra density makes the battery 16.6% smaller than other conventional...

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