The Galaxy Z Flip 4 will have a charging speed upgrade, unlike the Fold 4

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The Galaxy Z Flip 4 will have a charging speed upgrade, unlike the Fold 4
While Samsung equipped its flagship Galaxy S22 Ultra with 45W charging speed abilities, the Galaxy Z Fold 4 and Flip 4 may not be joining in on the offer. 

А 3C electronics certification database listing unearthed by Mukul Sharma has Samsung's regulatory filing for the SM-F7210 and SM-F9360 model numbers (its 2022 foldables), and they list 25W fast charging capabilities, rather than Samsung's top 45W speed.

The current Galaxy Z Fold 3 charging speed is 25W, while the Z Flip 3 charges at 15W, so the only actual charging speed upgrade would be on the clamshell foldable side. 

It seems that the Galaxy Z Fold 4 battery will have a typical capacity of 4270 mAh, consisting of two packs - the 2002 mAh B-BF936ABY one and the larger 2268 mAh EB-BF937ABY battery(2,268mAh) - but Samsung is most likely going to list the total as 4400 mAh.

That's not great but not terrible either, and about the same battery capacity that the Z Fold 3 currently has. Granted, the giant Galaxy Z Fold 3 main display eats the battery like candy floss when you are gaming, but you are getting enough hours of the day on it for watching videos or browsing. If you mainly use the external display, the battery life gets better, but then why get a foldable.

A similar fate awaits the Z Fold 4's endurance benchmarks on a charge, it seems, though the phone is expected to ship with a more frugal Snapdragon 8 Gen 1 chipset as well as new OLED display technology that allows for more granular refresh rate management.
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