Realme has revealed a new prototype phone that comes with a massive 10,000mAh battery and 320W fast charging. This news comes just before the global launch of the Realme GT 7.
The prototype is not just powerful — it’s also very slim, measuring only 8.5mm thick and weighing 215g. Realme used 10% silicon anode in the battery, which helped it reach an impressive energy density of 887Wh/L.
To make room for the large battery, the company also made the phone’s motherboard extremely small — just 23.4mm tall, the smallest ever in an Android phone.
Chace Xu, Realme’s Global Marketing President, shared a 2-minute video unboxing the prototype and explaining how the phone was built. The video also shows off the sleek design and advanced internals.
The unboxing video of the realme GT 10,000 mAh concept phone is here! Get ready for unparalleled power and performance! pic.twitter.com/22WWiIjbA8
— Chase (@ChaseXu_) May 6, 2025
While this is just a prototype, Realme has a history of turning its concepts into real products quickly. The 240W charging system that debuted in 2023 was also first shown as a concept and later released to the public.
The Realme GT 7 may not have a 10,000mAh battery or 320W charging, but this prototype gives a clear glimpse of Realme’s bold future in smartphone technology.
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