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
Integy Connector: XT60 Female, 3.5mm (2)
Pololu - XT60 Connector Male-Female Pair, Yellow
Panel Mount Female XT60 Connectors (2 count) - ProgressiveRC
XT60 Connector - Male and Female Pair – QuartzComponents
XT60 connector female (10 pcs)
XT60 Female Connector Core Electronics Australia
XT60 female with cover
XT60 Connector Male & Female (Buy 2 Get Free 2 Jumper Wire
XT60 Connectors (Pack of 5 Male and Female connectors
XT60 Connector Male-Female Pair, Yellow - Kamami on-line store
XT60 Female Connectors by Amass Yellow for Battery 5 Pieces
XT60 Connector 3.5mm Male and Female pair Price in BD
Buy XT-60 Connectors Male Female 60A in store just for 5.00€