I think it's less of a standard and more genuine connectors made by Amass vs. knock offs. They even have a patent apparently. XT60 spec: https://www.tme.eu/Doc

I think it's less of a standard and more genuine connectors made by Amass vs. knock offs. They even have a patent apparently. XT60 spec: https://www.tme.eu/Document/2d152ced3b7a446066e6c419d84bb460/XT60%20SPEC.pdf https://www.tme.eu/Document/2d152ced3b7a446066e6c419d84bb460... XT30 spec: - female https://www.tme.eu/Document/f2d0830114aabe6ea8d4bb128e962790/XT30U-F.pdf https://www.tme.eu/Document/f2d0830114aabe6ea8d4bb128e962790... - male https://www.tme.eu/Document/7d9d972ae3468777f69ec2ee99897652/XT30U-M.pdf https://www.tme.eu/Document/7d9d972ae3468777f69ec2ee99897652...