BrilliantLasers
Active member
- Joined
- Apr 11, 2019
- Messages
- 122
- Points
- 28
Positive is the side with the model number on it(NUBM31), in that picture it's difficult to tell for sure what side we are looking at. I quickly threw it together so I might have made a mistake.In this image, I think the plus and minus are reversed.