Can I use my Drifter if I reverse my battery switch operation from open to closed for a non-BMPRO power supply? BMPRO Customer Support July 30, 2021 06:41 Updated Yes, you can if you have a BSI300 fitted. This can be purchased by contacting us at teambmpro.com/contact-sales Related articles My BC300 has lost connection. What do I do? Comments 0 comments Please sign in to leave a comment.