Realme today detailed the 320W charging tech it's been teasing for the past few days. It's called 320W SuperSonic Charge and is the world's fastest smartphone charging technology. Realme said this 320W SuperSonic Charge tech fully charges a smartphone's battery in 4 minutes and 30 seconds. It fills the cell up to 26% in one minute and takes less than two minutes to charge it over 50%. Realme's 320W charging technology is slightly faster than Redmi's 300W tech, which fully charged a 4,000 mAh battery in 4 minutes and 55 seconds. However, Realme didn't reveal the cell size it tested its...

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