Samsung Patented Single-Cell Foldable Battery for Tri-Fold Smartphones

Many rumors have swirled around Samsung’s ambitious plans to release a tri-fold smartphone, with many speculating that the device might arrive as early as 2025. 

While we’ve seen plenty of foldable phones already from the tech giant, this new device would represent a significant leap forward in design. And the evidence? 

A recently filed PATENT for a single-cell foldable battery designed specifically to power smartphones with multiple folds. 

Thanks to our collaboration with David from @xleaks7, we can dive into the details.

The Problem

As foldable screens get bigger and more complex, the need for powerful batteries that can fit in these designs becomes critical.

A typical foldable phone, with its flexible screen that can fold and unfold multiple times, often sacrifices battery life due to the limitations of space within the device. 

Larger screens are power-hungry, and larger batteries generally mean bulkier designs.

Samsung’s new patent addresses this issue by introducing a foldable battery that can take full advantage of the available space in multi-fold devices.

This innovation could enable devices with multiple folds—like the anticipated tri-fold design—to be powered by a single battery cell, potentially offering longer battery life without sacrificing the slim design.

How Does It Work?

Samsung’s patented single-cell foldable battery works by using flexible materials that allow the battery to fold along with the smartphone’s screen

The key to this system is the battery’s ability to fold multiple times without damaging its structure or reducing its capacity.

This design makes it possible for Samsung to use every inch of available space inside the device, storing more power in a smaller, more efficient footprint.

The result? A tri-fold phone with a battery that can deliver the necessary performance while keeping the device thin and light.

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