iPower Lipo Voltage Reader and Alarm

Displays current voltage state of each cell in your lipo battery.
Lipo batteries become unstable when voltage drops below 3.0v per cell
Alarm will sound if voltage drops too low
Simply plug it into your lipo battery balance plug
Compatible with 2 cell to 4 cell lipos (7.4v lipo is 2 cells, 11.1v lipo is 3 cells, 14.8v lipo is 4 cells)