... 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 each cell voltage in 2S-6S LiPO/ LiFe ... a warning buzzer and LED, when any cell voltage reaches any value you set in flight, or over 4.22V in charge ...