26 hours without a wall outlet: This foldable beats them all

Large displays, powerful processors, and relatively compact bodies: foldable smartphones present unique challenges for manufacturers. Battery life in particular is one area where users frequently have to compromise. However, the Xiaomi 18 Fold proves that it can be done differently.
In our standardized Wi-Fi test, the foldable achieves a runtime of around 26 hours - using the main display. This is an impressive result that certainly commands attention, especially given the unusual form factor. Xiaomi combines a large-surface foldable OLED display with an additional outer display and a powerful processor. This endurance is made possible in part by the generously sized 6,000 mAh battery. As a result, the Xiaomi 18 Fold boasts substantial energy reserves without making the body excessively heavy or thick. Unfolded, we measure just 5.5 millimeters at the frame; folded, it comes in at 11 millimeters.
| Genshin Impact | |
| highest 120 fps | |
| Xiaomi 18 Fold | |
| lowest 120 fps | |
| Xiaomi 18 Fold | |
| Call of Duty Mobile - very high | |
| Xiaomi 18 Fold | |
| PUBG Mobile | |
| Smooth | |
| Xiaomi 18 Fold | |
| HD | |
| Xiaomi 18 Fold (4.6.0) | |
| Battery runtime - WiFi v1.3 | |
| Xiaomi 18 Fold | |
| Samsung Galaxy Z Fold8 | |
| Samsung Galaxy Z Fold8 Ultra | |
| Oppo Find N6 | |
| Vivo X Fold6 | |
| Honor Magic V6 | |
However, the outstanding runtime cannot be attributed to battery capacity alone. Equally crucial are processor efficiency, display control, and software power management. With foldables in particular, screen choice can also have a significant impact on power consumption. Our result comes from a standardized Wi-Fi scenario and cannot be directly applied to demanding applications such as gaming or video recording. Nevertheless, the measurement impressively demonstrates the endurance potential packed inside this foldable smartphone.
With this, the Xiaomi 18 Fold makes a clear statement. Anyone who previously assumed that large foldable displays inevitably meant short battery life gets a compelling counterexample here. However, how endurance holds up during intensive use of the large inner display remains to be seen.








