All Messages

rickfor10 Accordingto youtube guidance, the energy input has no polarity, only the output to the motor. The left terminal is the positive one. Sorry for the delay.

2020-09-28 06:25:10 Helpful (2)
Submit
Answers (4)

Mrmartinc It seems they don't have now, maybe you can contact them at cservice@banggood.com for inquiry.

2019-12-12 11:41:59 Helpful (0)
Submit
Answers (1)