CZH LABS Electronics Salon Voltage Disconnect Protect Review

Worked fine for about a year then I bought a genuine AGM charger. We had issues with power outages and dim lights on the unit. Temporarily disconnecting the battery would have helped fix this, but then I touched the back of the device and it was hot enough to cause a slight burn on my skin. This may or may not be related to reaching full battery charge when the AGM batteries would be around 14.5 volts.

for such a price is quite a worthy device. you need to know two things: first, the switch works with a spring-loaded electromagnetic contact relay. This means it consumes around 1.8W (0.15A) to stay connected. not a huge draw, but enough to drain the battery for an extended period of time. that's 3.6 Ah per day with a 24-hour connection. After a low voltage shutdown, it consumes no power. Another thing to consider is that the voltage measurement is instantaneous, so any load spike will trigger…

I bought this as a protective cutout for a solar panel I made. Since the cheap solar regulators that come with many solar panels can only handle 10A, I needed something more powerful (I used two box fans for Burning Man that would only draw 19A) and this fitted perfectly. I wanted something that would shut down my DC inverter if the battery level falls below 11.7V (shutoff is adjustable but after some research it seems you don't want to go below 11.4-11.7V). lead-acid battery as this can cause…

Very good equipment. Suitable for my needs to run a small solar inverter. Excellent facilities. This is low cost Amazon Prime same day shipping. These smaller 10 and 30 amp models will shut down IMMEDIATELY when they reach the cut off voltage. This works, but is not ideal in all situations. It appears that the larger 50 and 80 amp versions have circuitry that requires the inrush voltage to be reached for at least 10 seconds before the relay will activate. For example. Your cut-off voltage is…

This rating refers to version 2.0. I don't recommend it for car use. Turn off/on the device until the voltage reading exceeds the set threshold within 5 seconds. That's a lie! That may apply to other models, but not to this one! This was a big deal for me and I am very disappointed that the switch is instantaneous so any slight voltage fluctuation (e.g. a power outage) will cause the device to shut down. anything that makes this LVD useless to me. You cannot set the same shutdown and restart…