Speed controller, lock, LCD screen to display battery data

Speed controller, lock, LCD screen to display data on the battery charge Features: 1. When turning the voltage value in real time, you can accurately determine the amount of remaining power. 2. The real-time voltage value can accurately determine if the lithium battery is damaged. 3. Independent of lead acid batteries, lithium batteries, water batteries, dry batteries. 4. All kinds of electric vehicles (from 12 V to 99 V) can be automatically detected and displayed in real time. Parameters: Condition: 100% Brand New. Product type: electric bike voltage display Material: plastic Color: as shown in the picture Hall Class: High-quality linear hall made of rubber imported LED digital lamp display. Operating voltage: Rotatable DC0.8V-4.2V Power display: regardless of lead acid battery, lithium battery, regardless of voltage, can be automatically detected (12 V, 24 V, 36 V, 48 V, 60 V, 72 V electric vehicles can be directly used, some 84 in electric vehicles can be used) Terminal length: 2 m by default List of components: 1 x voltage display 2 x keys