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Do NOT adjust more than two circles, otherwise it will not work for 12V battery
load turn-off default voltage is about 11V
- clockwise adjust half circle to increase about 0.4V (specially used for 12V battery, NO more than 2 circles)
- counterclockwise adjust half circle to reduce about 0.4V (specially used for 12V battery, NO more than 2 circles)
charging turn-off default voltage is about 14.4V
- clockwise adjust half circle to increase about 0.5V (specially used for 12V battery, NO more than 1 circle)
- counterclockwise adjust half circle to reduce about 0.5V (specially used for 12V battery, NO more than 3 circles)
For example:
- set under-voltage as 10.5V to disconnect Under-voltage start can be set between 10.5 and 14.4V (certain start voltage refers to charger and actual use situation)
Protection Board Specifications
- Suitable Battery Voltage: 12V
- Voltage Error: ±0.1V
- Load Current: 10A
- Size: Approx. 5 x 3 x 1.7cm/2.0 x 1.2 x 0.7in
- Weight: 21g(approx.)
- LED Indicator: Show if load is cut off or turned on
- Turn-off / Turn-on Voltage Value: Adjusted by simply adjusting potentiometer
- Package Includes: 1 x Protection Board
Will
Reviewed in Canada on March 15, 2024
Does not function. Switches on for a second then off. voltage meter sees major drop in voltage when on with no load, then triggers off and voltage of batt rises. rinse repeat
cdev
Reviewed in the United States on March 28, 2023
The media could not be loaded.
earthstone
Reviewed in the United States on January 26, 2023
I got this and I work with electronic all the time and all I could get it to is flicker when you wiggle the board around and that's a sign of loose sober connection I sent it right back just waiting to be refunded.
Customer
Reviewed in the United States on January 17, 2023
I had a solar charge controller whose load side wouldn't provide the amperage I needed. It kept cutting off the load supply even though the draw wasn't that much. This device allowed me to wire up directly to the battery, and yet set a low battery cut off value to guard them from being over-discharged. Wish I had bought ten of them, and no doubt I will as time goes on.
Tanner
Reviewed in the United States on April 12, 2023
The media could not be loaded.
Bert Toews
Reviewed in the United States on September 7, 2022
It's tiny, will package well for a simple project and the price was great!
Paul T. McMahon
Reviewed in the United States on March 29, 2022
Can't always get to the remote location before the 12v battery dies. It's hard on a microprocessor running on low voltage. With this unit the power cuts off cleanly a a pre-set voltage.
Greg
Reviewed in the United States on February 25, 2022
this is perfect for protecting your battery from excessive drain. It comes preset and will work fine as is. Though it has clearly marked adjustments if you want to raise or lower the setpoints.In my vehicle I have a number of 12 V powered chargers as well as two Dash cams. I was Draining the battery to low if I did not use the vehicle for a few days. This low-voltage disconnect fixed that.Now when the vehicle is off and the voltage drops below a certain point this item switches all of those things off. When I restart the vehicle power to everything is returned.
Tim Krakowski
Reviewed in the United States on November 12, 2022
Bought 3 of these. 2 did not work. No documentation at all. Save your money. Don't buy this garbage
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