Does 300 PRO support charging via different solutions at the same time? Hollyland Tech November 30, 2020 02:45 Updated The MARS 300PRO supports 3 different power solutions, and it supports charging with various solutions at the same time. When you are using multiply power solutions at the same time, the one with a higher power voltage will do the charge.More details at MARS 300 PRO Guidance Related articles Check the SN info on the device Comments 0 comments Article is closed for comments.