NOCO IGD90HP Grey 90 Amp High-Performance Battery Isolator

• For alternators 90 ampere or less and accommodates Delcotron Series alternators
• Eliminates multiple battery drain
• Charge multiple batteries or banks
• Solid-state technology
• Full current with either leg

This little baby is the best thing to divert charge to our 8 lighting batteries and protect the 32 batteries that are the ones that run all our stuff on inverters in our home. So far the idea is working well and the little 90 amp unit has been doing exactly what I planned for it.

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Bought this for a particular application that I admit I didn't think through. I wanted to charge 2 12V deep cycle batteries from one Solar Regulator. This Item does not allow the MPPT regulator to sample battery voltage in order to know what state the battery is in, it is a ONE WAY CURRENT DEVICE. Thats my fault, I didnt research that before bought it and in retrospect, its obvious. there is a work around with 0.25amp fuses, and having done that, this isolator works perfectly. Would recommend it anyone with the added info that the charger must be an old school resistive charger (like a car alternator or one of those non-smart chargers you see in automotive yards).

Short story: It Works Cant be used with smart chargers that need "feedback" from the battery, but it works.

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good product and has manual instructions which are easy to follow.

i recommend it to any person who has a need for it

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It did the job of keeping both my batteries on board the boat fully charged even when using them off shore at night.

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I researched this company online and they have been around for quite a while with a good reputation. The install went easily and the instructions were good, in fact simple. I tested at home and thought everything was fine so off to the desert I went. About 14 miles in the check engine light came on and a few minutes later the engine started sputtering, when I stopped it died. My yellow Lab was not pleased either. My main battery was completely dead but my accessory battery was still fully charged. I would rather be lucky than good any day! I removed the isolator from the circuit by connecting the alternator charge wire straight to both batteries the old fashioned way and called it a day. Got home and both batteries were fully charged. I think that either I unknowingly did something or I just got a premature failure or a bad unit. I will go with with this Companies reputation and give them another try. Update to come. NOCO IGD90HP Battery Isolator.NOCO IGD90HP Grey 90 Amp High-Performance Battery Isolator