With LED screen read your battery with digital number.
Accuracy up to ±0.01v.
Probe 3 cell at one time of your Lipo-battery pack
Read your lipo pack without limit (1S-unlimit”s” battery pack) with balanced charge connector
Test voltage range: 0.2V ~ 13V.
With this small device:
You can Identify the performance of each cell in a lipo pack by reading the Voltage draw after a flight, avoid over- discharging in next flight, which could damage battery pack and cause further consequency, protect your plane.
Test your balanced charger’s voltage.
Make sure your transmiter battery and receiver battery are in good condition