Connector Mania: T Connectors, aka Deans Ultra

T Plugs: generic Deans Ultra Connectors

• popular 'Battery to ESC' connector
• male plug is soldered to the ESC
• get the polarity right
• sometimes tight fit, lube with graphite
• put shrink tube on before soldering
• plug M/F together before soldering
• polarity: while flat on table: vertical bar is positive, horizontal bar is negative

Connector-related youtubage: 

•  nice pictoral essay
• disconnecting the easy way
• all about deans connectors
• how to solder a deans connector