Realme's "320 W SuperSonic Charge" claimed to fully charge a smartphone in under five minutes, making it the fastest charging technology in the world.
During a live demo, the charger raised a smartphone's battery from 2% to 100% in just 4:20 seconds, charging about 1% every 2.65 seconds.
Realme's technology utilizes multiple battery cells charging simultaneously, while most manufactures rely on single-cell batteries which limits their charging speeds.
The demonstrated charger requires a specially designed 4,420 mAh battery with four cells, indicating that such high-speed charging isn't compatible with standard phones.
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