XT90 Battery Serial Series Harness Adapter Cable Connector Plug 10 AWG Amass Brand New Amass XT90 series Harness Made with 10 gauge wire. These are genuine amass XT90 connectors with sheath and are capable of handling 4s and 6s setups.The series harness doubles your power or voltage example 2 3s lipo batteries 5000 mah connected to this harness will produce 1 6s battery with the same 5000 milliamps. Thanks  We ship twice daily cutoff time is 4 pm eastern once on Saturday cutoff time is 11 am eastern