Patents show Samsung's tri-fold has three batteries

"Since this is a tri-folding smartphone, it has three segments, each housing a battery cell. The sketch, which is shown below and included in the patent document, reveals that the smallest battery (T1) is placed inside the segment housing the triple rear cameras, while the second-largest battery (T3) is inside the segment packing the cover display. The largest battery (T2) is inside the segment that will be sandwiched between the other two when the TriFold is folded."

"And while we await more information from Samsung about this smartphone, rumored to be called the Galaxy Z TriFold, a patent document published by KIPRIS revealed the tri-fold will pack three batteries. Since this is a tri-folding smartphone, it has three segments, each housing a battery cell. The sketch, which is shown below and included in the patent document, reveals that the smallest battery (T1) is placed inside the segment housing the triple rear cameras, while the second-largest battery (T3) is inside the segment"

"There were rumors that the Samsung Galaxy Z TriFold would be exclusive to South Korea and China, but we later heard it could also come to the US. Recent rumors claimed the tri-fold would be unveiled towards the end of this month. Samsung Galaxy Z Fold7 What's also expected to arrive this month is Samsung's first Android XR headset, codenamed Project Moohan. Its pre-registrations in South Korea are said to begin on October 15 and continue until October 21, with the launch scheduled for October 22."

Samsung will launch a tri-fold smartphone this year that incorporates three separate battery cells, one in each of the device's folding segments. A KIPRIS patent sketch shows the smallest cell (T1) located in the camera segment, the largest cell (T2) in the middle segment that gets sandwiched when folded, and a second-largest cell (T3) in the cover-display segment. The patent provides no battery capacities or charging specifications. Observers expect improvements over the Galaxy Z Fold7's 4,400 mAh battery and 25W wired charging. Rumors suggest initial availability in South Korea and China with potential U.S. release and a late-month unveiling. Samsung's first Android XR headset, Project Moohan, has pre-registrations set for October 15–21 and a launch on October 22.

Read at GSMArena.com