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With battery charger 1.3÷7.2Ah.
The ECH-06 module along with a external gel battery with nominal voltage of 12V is backup power system for receivers with a supply voltage in range of 9÷30V DC.
Functioning
The module performs the continuous surveillance of the battery and re-charges it automatically when the presence of the main supply voltage. In the case of main power failure or a decline in its value below the battery voltage of the receiver is powered from the battery. With the battery voltage of approx. 10.5V, the module automatically cuts off the power supply (pro-tection against damaging the battery).