If you've connected a lipoly battery in your robot or other device and you're using a beetleweight setup, you're probably using a two pin XT60
XT60 Male Female Connector for RC Lipo Battery ESC - 2 Pairs
XT60 Connector Male-Female Pair, Yellow - Kamami on-line store
XT60 Female to T Dean Male Plug Conversion Connector For Battery
XT60 Connector Male & Female (Buy 2 Get Free 2 Jumper Wire
Common Sense RC XT60 Female Connector (2-Pack) XT60-FF-1P B&H
Pololu - XT60 Connector Male-Female Pair, Yellow
XT60 Male,Female Connector Pair Original , Drone, Lipo Lithium
XT60 Connector 3.5mm Male and Female pair Robotics Bangladesh
XT60 Connector Nylon Male/Female pair Genuine Amass – Out of Darts
Male Female Connector Connectors Plugs XT-60 Plugs XT60 Connectors
XT30 (male) to XT60 (female) Connector - Unmanned Tech UK FPV Shop
High realibility XT60 connector
XT60 Connector Male-Female pair, two pin, for battery connection.