realme teases phone with a battery bigger than 10,000mAh for August 27

– Teaser says “THE BIGGEST JUST GOT EVEN BIGGER” – Battery may jump to 12,000mAh or more – Device remains slim at 8.5mm, 212g

– Last year: 320W charging tech at Fan Festival – 4420mAh battery charged in 4 minutes 30 seconds – realme pushing limits of battery and charging

– Teaser video hints at breakthrough battery design – Chase Xu: “Battery limits broken—again” – Official reveal scheduled for August 27