QS serial anti spark connector
QS Own Patent Antispark high current connectors. They are QS8 to XT90, QS8, QS8U-4P, QS9S-4P, QS9L-4P, QS10-4P and QS12. The current is from 110A to 240A. They are used for battery, charger, motor, power supply equipment. See QS8 Antispark heavy...