Deans Plug - VS - Bullet 4mm

[himalaya]

Deans are direct surface contact, they have a contact area of about 10mm^2，rated at 60A. Current flows from one conductor plate to the other.

4mm bullets use multiple dot-contact, with a chinese-lantern-shaped intermedia conductor. current has to flow from one center conductor to the intermedia then to the outer tube. The number of contact dots differs from manufacturer to manufacturer. The best of them, the MC(Multi-Contact Inc, who invented the bullet system) rates their gold-plated 4mm bullet at 50A max.