To modify the portable WiFi to the charging bank, you need to have certain knowledge and skills of electronic components. Here are the general steps:
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1. Determine the portable WiFi module you want to use, and understand its data interface, as well as the requirements for the best supply voltage and current.
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2. Determine the type of charging bank you want to use and some other specifications, such as voltage, battery capacity, etc.
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3. Use appropriate electronic components and tools to connect the portable WiFi module to the charging bank circuit. This may include power management chips, voltage converters, etc.
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4. Software programming: The software of the portable WiFi needs to be configured and programmed in order to work properly and connect to the Internet.
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Please note that this modification may require a certain amount of electronic engineering skills, as well as a deep understanding of how power banks and portable WiFi modules work. If you are not sure how to make a modification, please seek the help of a professional electronics engineer.
You can use it on a power bank. If you need to go where the network can be used, then you can apply for the operator's 4g network card, with the use of portable wifi devices, as long as the device has electricity, there is wifi network signal, such devices support the use of charging bank power supply. In addition, there are portable wifi devices with large-capacity batteries, which can also be used as a charging bank to charge mobile phones.