Just purchased a low cost YIBAI YX-20A from an online store, it auto cuts off/on electrical DC flow when it reaches a certain value set by the user. S1 is to set the cutt off voltage, S2 to set the start on voltage, by pressing S1 or S2 it will show the current value, long press until it blinks will edit the value, wait for the blinking to stop then it will be saved, it has a display so you can easily see the current voltage of the system. Set values is saved into memory so even if the device is removed, the set value is still saved on the device. It's up to you how you will use it, it can be used to cut off /on certain devices or appliance plugged into the battery or solar controller. S1 is to set the cutt off voltage, S2 to set the start on voltage, by pressing S1 or S2 it will show the current value, long press until it blinks will edit the value, wait for the blinking to stop then it will be saved, it has a display so you can easily see the current voltage of the system.
Set values is saved into memory so even if the device is removed, the set value is still saved on the device. It's up to you how you gonna use it, it can be used to cut off /on certain devices or appliance plugged into the battery or solar controller so it won't drain your battery when it gets too low, or will turn on some appliance on surplus energy only like example a cooling fan, or cut off some devices at certain voltage so there will be reserved battery juice for critical components at night time like security camera.
+ BTA - is for your power source connection. - OUT + is for your devices to be cut off/on
Recommended operating voltage is 12volts, maximum of 20amperes
You can check my actual video here to see how it works.
Note: this does not work if you use it on Relay 12v coil, it will malfunction.
Another module I bought is model YX-X0001, that's what is written on the board.
This is a little cheaper than the other one, obviously because it does not have any case or display, it does not have any push button to adjust value, just an analog small dial knob to activate its auto cut on/off feature based on voltage value, cut off/on is in default 10.5volts, by rotating clockwise it increases voltage cut off/on value and opposite decreases it, adjustable range is 9v to 15v. Maximum current is 10amperes unlike the first product can handle 20amperes
The cut off/on is responsive, but it fluctuates, it does not turn on or off smoothly unlike the first product, as seen in my video here, it has a scary screeching sound which is normal, its not good on sensitive device though, it looks as if its grounded and could damage sensitive devices you have plugged into it, so better choose what you will use with this product, I intend to use it to avoid my solar power system from over voltage and over heating (no thanks for having a cheap solar controller), by connecting a DC fan, once it reach 15volts, the fan will activate, not only it will eat excess voltage and prevent the system voltage from going up, it will also cool the system.
Another module I bought is model YX-X0001, that's what is written on the board.
This is a little cheaper than the other one, obviously because it does not have any case or display, it does not have any push button to adjust value, just an analog small dial knob to activate its auto cut on/off feature based on voltage value, cut off/on is in default 10.5volts, by rotating clockwise it increases voltage cut off/on value and opposite decreases it, adjustable range is 9v to 15v. Maximum current is 10amperes unlike the first product can handle 20amperes
The cut off/on is responsive, but it fluctuates, it does not turn on or off smoothly unlike the first product, as seen in my video here, it has a scary screeching sound which is normal, its not good on sensitive device though, it looks as if its grounded and could damage sensitive devices you have plugged into it, so better choose what you will use with this product, I intend to use it to avoid my solar power system from over voltage and over heating (no thanks for having a cheap solar controller), by connecting a DC fan, once it reach 15volts, the fan will activate, not only it will eat excess voltage and prevent the system voltage from going up, it will also cool the system.
Hi, I Need one for a battery bank of a 24 vdc.
ReplyDeleteI have one and no doubt it will behave in the same manner because it has no hysteresis. On Aliexpress it mentions add a capacitor but doesn't say where or what value. Still reseatching this.
ReplyDeleteNot fit for purpose. It draws a current of 57 mA when the battery voltage is above the upper limit. Then it draws 87 mA from the battery when the voltage falls below the cut-off setting. So the battery continues to discharge. Hard to imaging that someone thought this was worth manufacturing.
ReplyDelete