... LED. 6S Lipo Alarm, CellMeter 6, 6S Voltage Tester, Lipo Checker Name: 6S Lipo AlarmCellMeter 6, 6S Voltage ... Tester, Lipo Checker Specification:1. This checker can measure ... you set in flight, or over 4.22V in charge.3. The cell Alarm includes reverse polarity detection, and ... your OEMExcellent designs! 6S Lipo Alarm, 6S Voltage Tester, Lipo Checker