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Ni-Cd Low Battery Monitor Circuit using Lambda Diode

Last Updated on May 17, 2026 by Swagatam 5 Comments

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The main feature of this lambda-diode low battery indicator for Ni-Cd batteries is that, the circuit itself consumes almost zero current, until the set low threshold level is reached and the indicator LED is illuminated. This feature makes the circuit very suitable for many low voltage battery operated systems, like radios, watches, timers, alarms, remote […]

Filed Under: Battery Charger Circuits Tagged With: Battery, Diode, Lambda, Monitor

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