Stinger 200 Amp Battery Relay Isolator

• Ideal for battery isolation
• High Current Relays Are The Most Reliable And Efficient Way To Add Secondary Batteries To Your Syste
• Compatible With All Types Of Alternators And Charging Systems
• Water Resistant Black Phenolic Plastic
• 100,000 Mechanical Cycle Life

I have been very pleased with this battery isolator to say the least, I have not had an ounce of issues with it. I have it installed in the engine compartment on my pickup truck to allow alternator charging of an onboard battery in my slide-in truck camper.

Pleased with the water tightness of its make and the durability. Very little noise heard when the coils are energized, just enough that I can tell it is engaging.

I like the high amperage capacity for which I am able to start my truck with the marine battery in the camper, with the flip of a switch. Never found on remote backwoods again without the ability to be able to start my vehicle. :)

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The last review is correct about the manual lacking good information....When my buddy and I installed mine, we had to look up a diagram on google images to understand the correct setup.

But since this is a review for the product, not the manual, I gave it 5 stars for a few reasons.

1. I've had it for 7 months and over that time I've done countless system modifications and it still works perfectly.

2. Once you tighten the nuts down, you're worry free. The lock washers on there are an awesome addition. Your terminals will rip off the wires before they ever come loose from the studs on here.

3. It's an emergency safety feature. If you leave your lights on and drain the starting battery, when you turn the key to on, it engages the solenoid, and the auxilliary battery typically will provide the extra current it takes to engage the starter motor/solenoid and get you on your way.

Note: When it says ignition wire, you can pick any dedicated ignition circuit. I chose the ignition fuse in the panel by the driver's side door, but you could also get away with using your remote wire circuit if you so choose.

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Product works just as intended. It is loud when the relay latches, very loud when compared to the 80-amp model, but it's not really that huge of a deal. Installation is easy with two minor problems.

1. Manual is pretty much worthless

2. The mounting posts are blocked by the width of the cylinder, makes using a normal screwdriver near impossible.

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This very good to have if have two batteries. My lights didn't dim either.but the left post got defected.. How? I don't know.. But I'm gonna get a PAC 200 this time. But this product is heavy and the instructions is the worst.. Your out of luck if you don't know where your true ignition source is

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For my sound system, I use two batteries-one in the front and one in the back. My tech told me to get an isolator to control the one in the back. So I bought this in may 2011. The tech installed a switch that turned it on and off and there was an audible 'click' when it was turned off or on. In January of 2012, it stopped working. He couldn't figure out why and so I had to replace it...I couldn't find any other brand and that is the only reason I bought this brand again. So far though I haven't had any probs and I hope it continues this way. I am just letting you know my experience so that you can judge for yourself...it could have been that I got a faulty one or a connection prob or sheer bad luck. Will update if the new one gives any probs.