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Realme's smartphone with a whopping 15,000mAh battery debuts this week
25 Aug 2025

Realme is gearing up to launch a new smartphone with an insane 15,000mAh battery.

The company teased the device in a promotional poster, confirming its global unveiling on August 27.

The upcoming smartphone is likely to be powered by silicon-anode technology, which was revealed by Realme earlier this year.

Despite the massive battery capacity, the phone looks as thick as any other regular smartphone.

Over 5 days of usage on single charge
Tech innovation

Realme's upcoming smartphone will sport a 15,000mAh battery, as confirmed by a teaser.

The huge capacity is bigger than most rugged phones that are usually bulky. But the teaser shows a phone that doesn't look thicker than usual.

The company claims this massive battery will give up to 50 hours of video playback on a single charge. It is also said to provide use for over five days on a single charge as well.

Concept phone showcased in May
Tech advancement

Back in May, Realme unveiled a 10,000mAh concept phone with an "ultra-high silicon-content anode battery" boasting a 10% silicon ratio. This is said to be the highest in the smartphone industry.

The battery offers an energy density of 887Wh/L, which means it performs better than regular smartphones.

The concept phone also supports Realme's 320W SuperSonic Charge tech that can charge a smartphone from zero to full in just four minutes and 30 seconds.