EC5 Pinout
5 mm bullet-in-housing two-pole RC connector for high-current packs, ~120 A.
Overview
The EC5 is the larger sibling of the EC3, using two 5.0 mm bullet contacts in a polarized housing for higher-current RC use such as large LiPo packs and high-power ESCs.
A simple two-pole DC interface: one positive and one negative bullet, keyed by the housing.
Pinout
| Pin | Name | Function | Description |
|---|---|---|---|
| + | Positive | SIGNAL | Positive 5.0 mm bullet contact |
| - | Negative | SIGNAL | Negative 5.0 mm bullet contact |
Notes
- Two 5.0 mm bullets in a keyed housing; rated for higher current than EC3.
- Not cross-compatible with EC3.
Reference: Horizon Hobby / E-flite EC5 connector specification· verified 2026-06-27