Not without overcharging. The first charge of the dictionary pen should not exceed 10 hours before three full charges and full discharge, and then shut down and charge for 8-10 hours, not more than 10 hours. The first charge takes five to six hours. The TypeC interface can be fully charged in about 2 hours, which is enough for most people to learn for a day.
The usual dictionary pen battery capacity is 1020mAh. For example, Youdao Smart Dictionary pen has a built-in 1020mAh battery capacity, which can be used continuously for 5-6 hours, and if you do not use it for 1 minute, it will automatically turn off the screen and hibernate, saving electricity while also extending the service life of the machine.