Test the working state of lithium battery. Protect the battery from overcharging or overdischarging.
Just plug into the balance plug and the LED will cycle through the individual cell voltages as well as list the total voltage.
When the voltage is below the set value, it will buzzer with red LED light, pre-set value 3.3V. Push the key which can change the voltage setting and save.
Easy to use - works with any 1-8S Lipo/Li-Ion/LiMn/Li-Fe RC drone battery. Protect the battery from overcharging and overdischarging Just plug into the balance plug and the LED will cycle through the individual cell voltages as well as list the total voltage
Super loud alarm sound makes it easier to find your drone
Package:5Packs 2in1 1-8s Lipo Li-ion Battery Voltage Tester Check