The Galaxy Z Flip 4 might have a slightly bigger battery than the Flip 3 last year. Coupled with other improvements, this novelty would lead to a more generous autonomy on the device.
We regretted it a lot during our test, the Galaxy Z Flip 3 is content with too little autonomy that we estimated at one day at most. It must be said that the device is playing with fire by limiting itself to a 3300 mAh battery despite an OLED / 120 Hz screen that is fatally energy-intensive. There would be hope for the Galaxy Z Flip 4, however.
Expected later this year, the successor to the Flip 3 would come with a slightly beefier battery. According to information relayed by XDA Developers, Samsung would again rely on a battery divided into two halves (installed on either side of the hinge)… but for a total capacity revised upwards.
A slightly bigger battery… and a more economical screen?
We learn in particular that Samsung would bet in the future on a first half “main” of 903 mAH, while the second half “sub” would have a capacity amounting this time to 2400 mAh. On the Galaxy Z Flip 3, this secondary half was limited to 2300 mAh, reaching a nominal total capacity of 3200 mAh and a typical 3300 mAh.
So this year we would enjoy 100 mAh more, with a nominal capacity of 3300 mAh, but a typical 3400 mAh. It is this second ability that is retained.
100 mAh difference is not much, but Samsung would also consider switching to an LTPO panel to boost the autonomy of its next flip smartphone. This basic technology, used on OLED panels by Samsung and Apple, makes it possible to considerably reduce the energy consumption of the screen, in particular by varying the refresh rate, the brightness or the definition in a more flexible way.
Note that this technology is not unknown on the Galaxy range: Samsung had used it for the first time on the OLED screen of the Galaxy S21 Ultra last year.
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