12-100v finger thumb shifter Accelerator with digital display&lock/key for electric bike scooter mtb tricycle battery indicator this with lock and key, fit for any battery lithium or lead acid. it has red letter or blue letter, we will send whatever in stock unless you leave message in remarks saying the color you want. and when place order please check there are 3 items for 3 different products, NOTE customer can take off that protection film on screen after getting goods, and label on grips can also be removed for black serials. features of this throttle 1.fit for many types of batterysuch as lead acid battery, lithium battery , water battery and dry battery. 2.universal voltage, fit for 12-100v electric bike or scooters, can identify voltage automatically. timely indicating. 3. it isdigital data display, not that common analog signaldisplay. can accurate judge rest battery level and rest distance. 4, canindicate vehicle erroraccording to voltage. this productis patented products. this model is shifter with digital display and lock, we have also display with shifter and display with lock only, can please choose or leave message in advance, product description it is universal throttle for electric bike, scooter , tricycle, and other electric vehicle. MODEL-digital data display shifter with lock material: imported hall, high quality rubber, imported led indicator working voltage:throttle DC0.8-4.2V , battery level indicator, 12-84vautomatically identitify. line -default setting, 2meter , for different connector please leave message,we accept OEM. any buyer please leave contact way so that we send wiring diagram and user instruction , please donot connect before you clearly understand it. if ruine led display you will be responsible for it. wiring way this model is 5wires 3 throttle wires, red is for throttle positive , black is for throttle negative, green is for twist throttle signal wire, yellow is for power positive. -connect with controller or battery power positive. the other is for controller power positive or electric switch,or light/horn,switch/cruise/lock, high or low speed and so on. here blue is for electric switch/power lock compare with common analog signal throttle: this throttle indicates battery level by digital data display, you canjudge your rest battery level according to your battery voltage. can also check your battery condition after you charged it full. common throttle withindicator shows battery level by analog battery level. that is not accurate (such as, takes 36v with 3 indicator for example, 39-42v is battery full, all lights on. 37-39v one light off. 34v-37v two light off. 31v-34v the last indicator off. this is vague.) with techology development this has been behind since battery material is different and discharge platform is different, battery level data acquisition mode is backward. that is why we have this now,digital data acquisition and display is more accurate and timely. you can check 'the rest battery level, whether battery is broken the battery quality and it is easy to install if has question please leave message for qualtity order please leave message we have discount now switchthrottle --switch for horn/light/cruise/lock/low or high speed customer can define the usage of switch by himself cruise switch throttle- digital throttle with no switch 3 gears switch throttle throttle with two switches half twist throttle diameter of install hole Wiring instruction for digital display throttle Please be noted all the wiring way bellow need to connect black wire first, then connect red wire and green wire. When display screen indicates two zero, throttle will work normally. Then connect other wires. Please be noted that black wire of throttle cannot connect with red wire of controller, yellow wire of throttle canot connect with red,green,black wire of controller, or will ruin controller or throttle. 4 wire throttle: Throttle black----controller throttle connector balck ground wire Throttle red----controller throttle connector +5v red wire. Green signal wire---controller throttle connector green signal or other wire Yellow voltage display wire—ebike power positive (front light, display, electric switch) 5 wires Throttle black----controller throttle connector balck ground wire Throttle red----controller throttle connector +5v red wire. Green signal wire---controller throttle connector green signal or other wire The other two wires left —ebike power positive, battery power, front light, switch , cruise, high/low speed, lock and so on. 6 wires Same with 5 wires, the one left is for power positive 7wires Same with 4wires, the other 3 wired left is for 3 gears speed or turning switch. Solution for defaults of throttle 1. Display data screen works but vehicle motor will not run when use throttle Check 1, whether you have connect throttle wiring correct Check 2, whether have made Controller throttle connector, power wire, motor connector virtual connection Check 3 :whether have cut off the brake line to make it braking and cut off power If still cannot run please keep controller connector of throttle, power and motor, then switch red and green of throttle and controller to test. And if necessary can take universal meter /multimeter to check whether throttle red and black wire is 4.2v or not, that is to make sure whether throttle has been broken 2. Display voltage is two zeros, bike run normally 1. Check whether yellow wire has connected with power wire strongly. 2. Change another throttle to check whether display screen has been broken or take universal meter to check voltage of yellow and black wire, whether it is the same with battery voltage. Common sense or rules for battery voltage Different battery materials, new/old condition of battery, and different controller data make battery voltage reflects differently. Please check your battery voltage data according to your battery. Twice is enough, data may have deviation. 12v ebike max voltage 12.6v, min voltage9v 24vebike max voltage 29.4v, min voltage 21v 36v ebike max voltage 42v , min voltage29v 48v ebike max voltage 54.6vor 58.8v , min voltage 39v 60v ebikemax voltage 72v,min voltage49v 72v ebike max voltage 84v , min voltage 70v for other parts please visitstore home link for other model price is for sample, for quantity order please leave message. if need user instruction please leave email addres. pictures are for reference only, seller preserve final right of explanation about goods you get. 
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