US Patent 11336109 Dual port battery charging system and the method thereof

A dual port battery charging system comprises a charger, a microcontroller, a first switching unit, a second switching unit, a first charging interface and a second charging interface, wherein the microcontroller is coupled with the first switching unit, the second switching unit, the first charging interface and the second charging interface to detect a voltage and a current of a first battery pack or a second battery pack, and the microcontroller can control the first switching unit and the second switching unit to charge the first battery pack and the second battery pack separately or alternately.