Advanced Questions During The Use Of Portable Monitor
How To Use The OTG Port Of The Monitor?
When using one USB-C to USB-C connection, you can use the OTG port of the monitor for external devices connecting, such as mouse, keyboard, U disk, etc.
When connecting the computer to the monitor via HDMI, need to connect another USB-A to USB-C cable from the computer's USB-A port to the monitor's USB-C port.
How To Connect A Wired / Wireless Keyboard And Mouse To The Monitor?
For Bluetooth, you can directly connect it to your smartphone or computer through Bluetooth pairing, no need to go through the monitor.
For 2.4G wireless and wired one, please refer to the guiding of How To Use OTG port.
How Long Does A Battery Monitor Last?
Generally, when the brightness is set to around 50% and volume around 80%, the working time is about 5-7 hours with Reverse Charging Function off. In case Reverse Charging Function on, the working time is around 3-4 hours.
My Laptop Is Connected To A Battery Monitor Via USB-C To USB-C Cable, Will They Charge Each Other? How To Prevent It?
Usually not. The laptop will not charge the monitor because the full-featured Type-C port of the battery monitor can not be charged no matter it's' connect with a the power supply or other devices. This is to prevent battery overload while the reverse charing is on.
The monitor can only charge the laptop when turn on the monitor's Reverse Charging Function. However, it depends on whether the laptop supports 5V power in, as most laptops require more than 5V power supply. Therefore, few laptops can be charged by a battery monitor.
A few battery models can be charged by laptops through USB-A to USB-C cable, by connecting from laptops's USB-A port to monitor's USB-C power in port, like how a laptop charging a smartphone.
Does The Reverse Charging Function Support Fast Charging? How Fast It Is?
Reverse charging cannot be activated in the following situations:
- If the main device require original power supply from the device itself, like Nintendo Switch, reverse charging will not work.
- For monitors equiped with 5V 3A power supply while the the main device required 9V / 15V / 20V PD protocol power delivery, the monitor will not charge reversely.
- A few models with PD 30W power supply cannot charged reversely, check with our team if you care.
For the battery monitors, the reverse charging power is limited to lower than 5V / 1.5A, 7.5W to prevent battery overload.
For other monitors without batteries, theoretically, the reverse charging power ≈ input power * 80% - rated power of the display, for example:
original power supply PD30W, rated power 15W, reverse charging power ≈ 30W*80% - 15W ≈ 9W. If PD45W is used instead, rated power 15W, reverse charging power ≈ 45W * 80% - 15W ≈ 21W. However, when the monitor is actually used, the power comsumption will increase due to the exact using, resulting in a decrease in the reverse output power, so the above is only a theoretical value.
For no battery monitors, the PD protocol is essential to activate fast charging, while different devices have different voltage requirements. For example, the PD 3.0 30W power supply equiped with the monitor supports four groups of protocols: 5V 3A / 9V 3A / 15V 2A / 20V 1.5A. When the monitor use 20V 1.5A, and your main device is using the same 20V power, fast charging will be activated. Otherwise, the charging speed will be lower. Feel free to contact us if you want to know the exact PD power voltage of the monitor.
Other Compatibility Issues
The monitor can be connected and used with most devices equipped with HDMI interface. Some devices has default low refresh rate might not work properly when connecting with the monitor. In this case, you might need to adjust the refresh rate of devices to above 30Hz and try first.
Sometimes there are incompatibilities when the monitor is connected to the device with full-featured Type-C port. If you have encountered such a situation, please feel free to consult us.
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