Description Suitable for 12v 99v E bikeFit for 22mm diameter HandlebarThis Throttle grip using digital display battery voltage display the remaining battery power regardless of lithium batteries lead acid batteries aqueous batteries dry batteries below 100V electric vehicles can be used it can automatically identify the voltage real time display Specification Name E bike Throttle GripModel 536928Product Size 113x 34mm length dameter Cable Length About 2 meterYellow Wire Power 24v 36v 48v Red Wire 5vGreen Wire signalBlack Wire Blue Wire I O button such as light hornWhite Wire I O button such as light hornSwitch Red ButtonNote please dont link wrong wire Maximum voltage indicates fully charged Low voltage indicates the battery runs out Before the minimum voltage necessary to charge the battery24V electric car the maximum voltage of about 29V the lowest of about 21V charge 36V electric car the maximum voltage of about 42V the lowest of about 29V charge 48V electric car the maximum voltage of about 54V the lowest of about 39V charge Installation method Speed to the red black green three lines which the red line is the positive pole the controller must beTransferred to the line of the positive pole line can not be wrong remember The black line is to turn theNegative the green line is to turn the signal line a separate yellow is connected to the battery positive line Note When installing the non professionals please pay attention