... Tester,cellmeter 6,Lipo battery checker alarm and flight as the voltage over value ... Alarm, 2s-6s Li-xx Voltage Tester,cellmeter 6,Lipo battery checkerCell meter-a is a microprocessor controlled high precise voltage detector ... , the unit can mesure each cell voltage in 2-6s lipo/life/lilo battery pack,the total voltage and ... tube. Warning Buzzer/LED 6S LiPO Alarm, 2s-6s Li-xx Voltage Tester, ...