KOOLATRON 12-Volt Battery Saver Replacement Part 70110

I purchased the Kooltron Battery Saver Model GJ1125 last august and have never regretted it. I use it in my Semi Tractor as sometimes it may sit for 3-5 days and has never run the battery down to far not to start my truck. Even in the winter which can be severe here in Idaho. One advantage I have over an auto is multi batteries. It never sits there and clicks on and off as in some other reviews. This may be due to a lot more amps. I am confident enough in this product that I am ordering one for my brother's b-day to use in his truck.

My SUV has an always-on plug in the back, and I use it to plug in my Koolatron 12V Travel Cooler (D24).

But since it is always-on, I would need to unplug it when I stopped for any length of time to ensure my battery would not be drained.

This is where the Koolatron Battery Saver comes in. It plugs into my vehicles outlet, and then the cooler is plugged into it.

It will continue to provide power to my cooler until it detects that my battery is starting to lose power (around 11 volts) and then it will kill the power to the cooler.

Now I can just leave the cooler plugged in all the time, and I don't worry about running down my battery.

Great product, and works exactly as described for me.

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This box plugs in between your 12v lighter socket and any 12v device. The box monitors the voltage on the line and cuts the device off when the battery goes below 10 volts -in hopes that there is still enough charge to start your car when you get back.

Not a bad idea, i've used one of these with my cooler for some time, also a 12v jumpstarter box with my cooler. This model is a little pricy IMHO

To the other reviewer who lighter socket was switched with the ignition key, i'd suggest you see a stereo shop and they can wire you up another socket that is on all the time, or you can find the parts and do it yourself.

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Looking at the price, and knowing a bit about electronic circuits, I did expect that this unit would cut the power off at let's say 10.5V and restore it at 12.3V. In this scenario it would cut the cooler off as the battery gets low and it would fire it back up as the engine runs and the alternator is charging the battery.

This is NOT the case and here is why this switch is totally useless and probably damaging/reducing the lifespan of connected coolers or other equipment on top of it.

As the voltage gets critical it will cycle on and off. Like the turn signal, but much faster. This is very disappointing and I can not not express how mad I am that a company is selling such a cheap circuit for such a high price. This unit is not doing/working how it should.

If I did not get a broken item (I doubt it, reading some other reviews) someone could feel this is like highway robbery. I did try to call the company and after being on hold for quite a while I was getting tired of it and just sent the item back.

Bottom line:

Don't get this item. The idea is good, this particular one is not what it should be. Wait for another "battery saver". They are hard to find and I did not find anther one yet.

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A simple and essential device if you are going to be continuously running, unattended, any 12 volt device off your vehicle battery.

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