Product Purchase Notes:

          KD21C color LCD display, there are different LCD Display protocols on different brands of ebikes, please contact our online customer service to determine the LCD Display protocol you need before you buy, if you don't determine the LCD Display protocol with our online customer service, your purchased display may not match your ebike! This is very important thing! Please contact us!

Function Description:
◆Function Overview
The KD21C model offers a variety of features to meet your riding needs, including:
● Intelligent power indication
Motor output indication
●Assisted gear adjustment and indication
●Speed display (including real-time speed, maximum speed, average speed)
●Mileage display (including single mileage and total mileage)
●Assisted push control and display
●Riding time display
●Backlight control and display
●Error code display
●Multiple parameter settings (e.g. wheel diameter, speed limit, battery power setting and assist parameter setting, power-on password setting, controller current limit setting, etc.)
●Default parameter restoration function
 
◆ Button Definition
There are three buttons on the KD21C instrument, including the on/off/mode button, plus button and minus button. In the following descriptions, the word "MODE" is used for the keys.
In subsequent descriptions, the word "MODE" is used for the keys, the word "UP" is used for the keys, and the word "DOWN" is used for the keys.
Product Name and Model
Intelligent Liquid Crystal Meter for Electric Bicycle, Model: KD21C.
Specification Parameter
●24V/36V/48V power supply
●Meter rated working current: 10mA
●Maximum working current: 30mA
●Shutdown leakage current: <1uA
●Supply current to controller: 50mA
●Operating temperature: -20～60°C
●Storage temperature: -30～70°C
●Exterior size:81*48*41.5mm
General Operation
◆ Power on/off
After long-pressing MODE button, the instrument starts to work and provides the working power for the controller. In the power-on state, long press MODE button to turn off the
power supply of the electric vehicle. In the power-off state, the instrument no longer uses the power from the battery, and the leakage current of the instrument is less than 1uA.
If the EV is not used for more than 10 minutes, the meter will shut down automatically.
Cautions
Pay attention to the safety of use in the process of using, do not plug and unplug the meter under power-on condition.
◆ Avoid bumping the meter as much as possible.
◆ Please do not change the background parameter settings of the instrument, otherwise normal riding cannot be guaranteed.
◆ When the instrument can not be used normally, it should be sent for repair as soon as possible.
Packaging:
     1*LCD Display

 

Return Policy                                                                                                                                                                                        

        1. Returned items must be unused and in the same condition and original packaging as when received.

        2. 2. Once a return is approved, it is the buyer's responsibility to return the product and pack it properly to prevent any damage during shipping.

       3. 3. If you receive an item and are not satisfied, please contact me before returning it. Then return it within 30 days for a replacement or refund. Postage will not be refunded.