
Works exactly as shown, great value! I installed this device so I can parallel the house and chassis batteries in my RV. I've also added a diode isolated "manual override switch" which allows me to use the isolator in an emergency to start my generator from the chassis battery or start the engine from the house battery if one battery is dead. Also, I have a third diode isolated trigger from my ignition that allows me to charge the house battery from the alternator while the RV engine is running. The product was delivered on time and very well packaged. Buy this with confidence!

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