Description:Brushless controller technology parameters1, start way: handle control start fast, flexible control;2, standard electric mode: Hall of electronic variable speed system, speed range 0 ~ 100%, 1.1 ~ 4.2V;3, Voltage: DC21V ~ 30V/DC31V ~ 45V/DC41V ~ 62V/DC51V ~ 72V/DC61V ~ 84V;4, under-voltage protection: DC21V ± 1V/DC31V ± 1V/DC41V ± 1V/DC51V ± 1V/DC61V ± 1V/DC111V ± 1V5, limit current: ; ...