【Fit for 12-84V Electric Bike】-- Universal voltage, fit for 12-84V electric bike or scooters, can identify voltage automatically, timely indicating
【Good Performance】-- By turning the real-time voltage value can accurately determine the amount of the remaining amount of electricity
【Accurate Judgment of the Lithium Battery】-- To avoid traveling on the way without electricity and accurate judgment of the lithium battery is damaged, Working Voltage: Throttle DC1-4.2V, battery level indicator, 12-84v automatically identitify
【Accurate Judgment of the Lithium battery Quality】-- By turning the real-time voltage value can accurately determine the quality of lithium battery, Automatic to identification electric vehicles' voltage under 100V, universal used and real-time display
【Installation method】-With the car key switch, yellow wire connected to the battery +, blue line controller car key switch wire +. The car key switch can not be used directly as the main power switch. Otherwise it will burn the wiring harness! Remember! The key switch is to turn on and off the power supply of the vehicle by controlling the internal electronic switch circuit of the controller.