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Monitor your battery status in use. The voltage alarm will monitor the voltage and report the status to you with lights and buzzer. Connects to balance charge lead. 7.4V Blue light shines 7.4V~6.9V Blue light flashes 6.9V~6.6V Red light shines Below 6.6V Red light flashes & "Beeps" More Details
7.4V Blue light shines 7.4V~6.9V Blue light flashes 6.9V~6.6V Red light shines Below 6.6V Red light flashes & "Beeps"