Under normal circumstances, it can be charged in the state of power on or off.
This is safe for most portable WiFi devices, and using the device while charged does not pose much of a security issue. However, the exact situation depends on the device model and the manufacturer's requirements, so it is best to check the product manual or consult the manufacturer for details.
It should be noted that under normal circumstances, the original charger or a charger that meets its specifications should be used to charge the portable WiFi device. If you use a charger that does not meet the specifications, it will cause damage to the device or safety issues, or even cause the battery to overheat or catch fire.
For most portable WiFi charging methods, you can turn on or off to charge. Depending on the device type and brand, there are different ways to charge, and some even support simultaneous use and charging. When selecting the specific charging method, you can follow the charging suggestions provided in the device manual. In general, the accurate charging method can help you better maintain the equipment, improve the service life of the equipment, but also avoid the safety problems caused by the charging process. Therefore, it is recommended that before charging the portable WiFi, read the instruction manual in detail and charge according to the device prompts.
Portable wifi charging needs to be turned off. Shut down to save power, portable wifi has plugged in there are batteries that do not plug in, Huawei has these two types, Huawei that needs to plug in is a dual-use thing with its own charging bank, small points do not plug in, that is, can only use 4 to 5 hours.