Everything you need to know - Jisulife Ultra2 Handheld Fan Review
Table of Contents
Is the Ultra2 quieter than the Ultra1 when they are at the same fan speed?↑
It seems that the Ultra2 is able to achieve lower noise level at 1% fan speed primarily because its fan speed at 1% is lower. When the fan speeds were made to be the same, the Ultra2 is actually louder than the Ultra1.
The control dial on my Ultra2 is loose, and there's sound when shaking it. Is this normal?↑
Yes, the control dial on the Ultra2 will have some freedom of movement from side-to-side. Because of this, there will be some sound when shaking the fan.
How does the battery life on the Ultra2 compare to all the other Jisulife fans?↑
Although the Ultra2 has the same 9000mAh battery capacity as the Ultra1, it has nearly twice the runtime at 100% fan speed. The runtime at lowest fan speed is also incredibly long, now beating many of the Life series fans and Pro1S even though it's lowest fan speed is comparable to the maximum fan speed of many Life series fans.
This improvement is likely due to the improved thermal management, as we know that heat is a big enemy of batteries.
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