1. The voltage display is used for lithium battery detection in 1S~8S, and it can automatically detect the voltage and total voltage of each battery of lithium battery. It supports reverse connection protection.
2. It allows you to understand the working state of your battery anytime and anywhere, so that your battery will not be damaged by overdischarge or overcharge.
3. When the voltage is lower than the set value, the buzzer will ring and the red LED lamp will flicker; the default setting value of the factory is 3.3V, and the voltage setting can be changed by pressing the button, and the user’s current set value is automatically saved.
1 x Lipo/Li-ion Battery Voltage LED Indicator