Digital Low Voltage Protector Disconnect Switch Cut Off 12V Over-Discharge Protection Module for 12-36V Lead Acid Lithium Battery Low Voltage Cutoff for Solar Panel Lighting System

Digital Low Voltage Protector Disconnect Switch Cut Off 12V Over-Discharge Protection Module for 12-36V Lead Acid Lithium Battery Low Voltage Cutoff for Solar Panel Lighting System

Q: What is idle current draw when low voltage disconnect trips?

Less than 1.5 watts per advertised specs which would be about 0.1 A (100 ma).

Q: Can this be used with AC power at inverter output? I am thinking of wiring this into a small extension cord to have a "protected" circuit.

Yes..BUT.. you need a 12 volt DPDT relay between your inverter and the load . Your DC 12 volts going into the inverter will also go into this Voltage Protector and the output from this Voltage Protector will power your DC 12 relay. When the 12 volts DC voltage going into the inverter drops to the set low voltage it will disable the relay which in turns cuts off the ac power between your inverter and your load.

Q: What is the maximum amperage for this item?

The maximum amperage before the breaker trips is 20A

Q: With this work with dewalt 20v batteries?

For posterity and because this question is popular: program at 15 Volts 5-cells * 3 Volts = 15 Volts At the absolute lowest, down to 2.5V per cell. But I don't recommend that for safety or longevity. I don't see anything in the description advising against Li-Ion batteries. Nor can I think of any reason this would not work for Li-Ion batteries, provided you program the shutoff correctly.

Product ID: 56661339

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Details

Operation Mode
Manually Off
Current Rating
20 Amps
Operating Voltage
36 Volts
Contact Type
Normally
Connector Type
Plug In
Brand
IS

⏳0-999s customizable delay turn-on

⚡12-36V wide input range

🔋20A max current protection

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Description

🔌 Protect your power, prolong your freedom.

MEMORY RETENTION - Never lose your settings thanks to built-in power-off memory function.
ENERGY EFFICIENT DESIGN - Consumes less than 1.5W, ensuring minimal power drain while protecting your investment.
UNIVERSAL COMPATIBILITY - Works seamlessly with 12-36V lead acid and lithium batteries for solar and lighting systems.
PRECISION VOLTAGE CONTROL - Set exact cutoff voltage with 0.1V accuracy to safeguard your battery life.
CUSTOMIZABLE DELAY ACTIVATION - Avoid rapid cycling with adjustable 0-999 seconds delay before reconnecting power.

This Digital Low Voltage Protector Disconnect Switch is a compact, energy-efficient module designed to prevent battery over-discharge by automatically disconnecting power at preset voltages. Compatible with 12-36V lead acid and lithium batteries, it features precise voltage control, customizable delay turn-on, and memory retention to maintain settings after power loss, making it ideal for solar panel and lighting systems.

Have a Question? See What Others Asked

What is idle current draw when low voltage disconnect trips?

Can this be used with AC power at inverter output? I am thinking of wiring this into a small extension cord to have a "protected" circuit.

What is the maximum amperage for this item?

With this work with dewalt 20v batteries?

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