HELLA 002843011 2843 Series 100A Rating Battery Master Switch

Installed this on my RV to stop charging the battery for extended periods when hooked to 120 volt source and to avoid battery discharge when the RV is in storage. I installed the switch on an L-bracket mounted inside my locked front compartment on the 5th wheel. Mounting was simple. To prevent loss of the key, I used a nylon tie to fasten the key loosely to the electrical cables. It is sturdy, very easy to operate and does exactly the job I needed. Much better than the type that mounts on the battery post in my opinion.

I have a travel trailer that when purchased I was advised to disconnect the battery when not in use. I thought they meant long term but I quickly found out that with the electronics in new trailers, some stuff still draws from the battery even when off. I drilled a couple of holes & mounted this switch right on the battery box.

Disconnects the whole system and the key is removed & kept in the pass-through. Works great!

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This is my 2nd keyed battery switch this lil guy works great on my race car . Couldn't be happier with it!

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I bought this switch to add to my KZ Spree after finding the battery nearly dead each time I was going to use the RV. I had read that KZ used this type of switch on their 5th Wheel RVs so decided that I would install it on my Spree. I found a pre-drilled AC cover plate at a big box retailer and replaced a solid AC plate on a electrical box near the battery. I inserted the switch into the positive lead from the battery to the trailer and it works just great. Now when I put the RV into storage mode I turn the switch to the off position and stop all battery drain. I don't understand why this is not standard on the Spree line of RVs but it works for me and I would recommend this solution to any RVer to stop storage battery drain.

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I think this is a great thing to have on a four wheeler like I have RZR Polaris. Any time you let things sit alone it's nice to not only turn the key off but shut down the battery also. Two ways of safety, I would recommend this to any or everyone who has product that sits out that could be taken... Michael

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