Designed to provide more time on the water enjoying what you like most. Installed with the ProNauticP Series, a boat owner can enjoy the full benefit of shore power and on the water charging. Ensuring fully charged batteries and faster charge times, ProIsocharge eliminates the typical alternator voltage loss of 0.6VDC that's commonly associated with traditional diode based isolators. The all-in-one design eliminates the need for multiple voltage sensitive relays to charge multiple battery banks simultaneously, saving space, installation time and cost. Smart enough to provide priority charging to a battery bank that's under load by taking fully charged batteries off line. For dual engine applications, ProIsoCharge offers an exclusive 2 alternator input model with up to 4 battery banks. An industry changing design that provides intelligent and zero voltage loss isolation, charging of up to 3 other battery banks off a single alternator (model specific). We often upgrade alternators to aftermarket units rated for continuous duty and with intelligent regulation including temperature compensation based on both alternator temp and battery temp.ProIsoCharge delivers digitally controlled alternator output distribution while protecting the health of engine start batteries. Over time it is too much for an OEM design. Each day, if the batteries are cycled overnight, the alternator gets worked hard again. The batteries were large enough that the alternator was working at full output for hours and hours. Here is a OEM alternator in a marine application that was connected to a huge deep cycle battery bank. The "dumb" internal regulators in a basic OEM alternator have no means to do temperature compensation so they will gladly run the alternator to catastrophic thermal failure if there is enough depleted battery capacity to overwork the alternator. An OEM alternator may be rated at 80 amps, which is a good bit, but it is not designed for continuous duty at or even near the rated output level. An OEM alternator is designed to replenish the amp-hours taken from the starting battery to start the vehicle and to support the minor electrical loads of the vehicle when it is running. Even if the 2nd battery is a deep cycle used to run refrigeration for example you could have at most 100 amp-hours or so of charging to do so this would work the alternator hard for only the first hour or so then charge rates would slow. A simple two battery setup is fine especially if the batteries are only used for starting so very limited amp-hours required to recharge. Please understand that I am only saying there is a point where you can damage the alternator with a large battery bank. Your electrical concepts and explanations are sound but there is a point at which the alternator can/will be damaged by charging large battery banks. ![]() I am a certified marine electrician so I work on boats/yachts often set up for long range cruising with big battery banks and sometimes sophisticated alternator setups. Hello, I'm new here but figured why not jump in and contribute. ![]() Same goes for your alternator if the batteries are low on charge the alternator will still pump all the amps it can back into them. So if the water level in the water tower gets too low the plant can only fill it so fast, how could this cause damage to the plant? It can't. A larger pipe will flow more water, a larger wire will flow more AMPS (current), smaller pipes will cause restriction and flow less water, smaller wires will restrict (more Ohms) and lessen the flow which equals less AMPS passing through. Taking it a step further the transmission pipelines from the water plant to the water tower are the same as the wires from your power source to the final device. Volts = the pressure pushing the power through the pipeline, AMPS = the measurement of energy moving through (think of this as a flow rate, like gallons per minute), Ohms = restriction due to the "pipeline" this could be due to a resistor or a long run of small diameter wire. This more or less the same as what happens in your car, the alternator produces electricity (80 amps & 14v) that it stores in the batteries (tanks) until you need to use it. Let me try to draw som easy to understand comparisons to explain this.Įlectricity is just like water, the water plant produces clean water (Millions of Gallons per day aka MGD) and pumps it into water towers waiting for you to turn on your shower or whatever. I mean this in the nicest way but it sounds you don't know much about electrical systems, because the size of alternator has nothing to do with how many batteries you want to run. ![]() Well I have three batteries on the stock alternator and my rig hasn't gone nuclear.
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