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
Connector #1: Micro (Negative (-) Pin)
Connector #2: Star Female Adapter
Weight: 2.9g (0.1oz)
Maximum Recommended Current: Limited to Micro Connector, 15A