1-8S Li-Po Battery Voltage Tester / Low Voltage Buzzer Alarm

Description Voltage Detection Precision: 0.01V Unit Voltage Display Range: 0.5V – 4.5V Total Voltage Display Range: 0.5V – 36V 1S Test Mode Voltage Range: 3.7V – 30V Low Voltage Alarm Mode For 2 – 8S Alarm set value range: OFF – 2.7V – 3.7V This product is using for detecting 1S-8S?lithium battery Detect the voltage of each battery core?automatically,?support reverse connection protection. To know the working state of your battery anytime, protect the battery from overcharge and over-discharge. The Red LED will flash, the buzzer will be beeping when the voltage is below the set point. The factory default setting is 3.3V, press the button to change the voltage setting, and it will save your current setting?automatically.