Here's why Samsung's Galaxy Z Fold7 doesn't have a bigger battery
Briefly

Samsung introduced the Galaxy Z Fold7, Flip7, and Flip7 FE at its Unpacked event. The Flip7 features a larger battery compared to its predecessor, while the Fold7 retains the same 4,400 mAh battery as the Fold6. Samsung explained that user demand influenced the Flip7's battery increase, whereas the Fold7's design focused on enhanced cameras, a thinner body, and a wider cover screen. The Fold7's battery capacity may face limitations unless Samsung adopts new battery technologies, which would allow for higher capacity within the same device dimensions.
Samsung responded to questions about why the Flip7 received an increased battery capacity, while the Fold7 maintained the same 4,400 mAh cell. The company stated that the larger battery was a demand from Flip series users, but for the Fold7, other priorities took precedence such as enhanced cameras, a thinner and lighter design, and a wider cover screen.
Despite the evident advancements in the Fold7, particularly in terms of design and camera features, it now falls short in battery capacity compared to competitors. The emphasis on creating a thinner, lighter device might ultimately hinder future improvements in battery life unless new battery technology, like Si/C batteries, is adopted.
Read at GSMArena.com
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