This is the Great Planes Micro to Star Female Adapter.

Features

Connects a battery with a Micro to an ESC with a Star
Male connector

Includes

One Great Planes Micro to Star Female Adapter

Requires

Connecting between battery and speed control

Specifications

Connector #1: Micro (Negative (-) Pin)
Connector #2: Star Female Adapter
Wire: None
Weight: 2.9g (.1oz)
Maximum Recommended Current: Limited to Micro Connector, 15A.