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Doug Demeo Posted on Oct 27, 2019
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Can you use a motomaster Nautilus for marine and deep cycle batteries, to charge a car battery?

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john h

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  • Boating Master 29,494 Answers
  • Posted on Oct 28, 2019
john h
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5 Related Answers

Anonymous

  • 76 Answers
  • Posted on Oct 02, 2009

SOURCE: I have 2 deep cycle batteries. A selector sw. will

Install your new start battery and connect it to the engine as normal. be sure to ground the additional battery to the others. Then install an automatic charge relay between the start battery and the common on the battery switch for the original pair of batteries. This will allow the engine to charge its own battery and whichever battery(s) you have selected on the dual position switch.

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oneStan

oneStan

  • 617 Answers
  • Posted on Feb 06, 2010

SOURCE: i inherited the charger w/no manual - as I've

I can find no manual on line for the charger but the basic & most important things I can share with you.

On the charger should be your On & Off switch, possibly 6 volts / 12 volts switch, (you want 12 Volt) some have a meter to show how much amp draw is taking place as it is charging and you'll have to determine that from observation.

MOST important parts: It is best to disconnect the battery you are charging, at least the Negative post. This will speed up the charge process & prevent any mishaps with the electrical system on the vehicle. I prefer the battery completely removed & placed on an insulated material, plastic, wood, rubber, to prevent battery drain by sitting on concrete or the ground.

If you can check the battery first for swelling/cracked case=don't charge! Frozen inside=don't charge! Thaw first. The fumes from batteries charging are explosive & no sparks, or flames should be anywhere near. Upon reinstalling, Negative wire is always last to connect & be sure that everything inside as far as lights & ignition switch are off to prevent excessive sparking when you connect the final cable.

Charging & connecting. I prefer to test unknowns such as the connecting cables to make sure they are what they say they are. You need a multimeter for this but for now, I am expecting they are marked properly for this instruction. You need a Positive clamp , this one usually has Red handles, to connect to the Positive terminal of the battery (marked POS or +) The other cable, generally Black, connects to the Negative terminal (marked NEG or - ) and provides the ground to complete the circuit.

Make sure connections from the charger to the battery are all clean & well attached, then turn ON the charger. This will prevent sparks near the battery. Be sure to turn off the charger once charging is completed, then disconnect the cables from the battery. The unit you are charging with should give you some indication about when you're charged 100%, but these are the basics of charging a low battery. If by chance your charger shuts down on you & stops charging immediately, you either have the terminals reversed, or a shorted battery. good luck

motor1258

Mike Butler

  • 6674 Answers
  • Posted on Apr 15, 2010

SOURCE: I have a 1000 Watt Inverter, along with a regular

Yes, just be sure connections are heavy enough wire, and obviously the inverter uses 12 vdc input. Hook jumper wires positive to positive, negative to negative, on all 12 volt batteries. Deep cycle batteries will work better than car batteries. Just remember, when re-charging them, that they last longer when charged slowly, so don't use a high amp setting on charger and to monitor them closely, and do it in a well ventilated area, away from any ignition sources.

Anonymous

  • 185 Answers
  • Posted on Feb 06, 2011

SOURCE: will a 750 inverter run

Looking at this, how many amps does the pump normally draw? Take this and multiply by 3 for start up current draw. Now, multiply that by 120 (volts) and this will give you the watts. Start up current is what will knock your inverter down. It won't kill the inverter but it will overload it on startup and turn off the unit. Since I do not know the size of your pump, this is my caution. You could always try it, the most that should happen is that the inverter will shut down.

charleshucke

Charles Huckeba

  • 1114 Answers
  • Posted on Mar 21, 2011

SOURCE: cant make my PYLE PLCD15MR marine radio turn on.

There is usually a fuseable link in the unit/radio, I would recommend that you check it and replace it.

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Related Questions:

0helpful
1answer

Motomaster Eliminator Booster/Jump Pack 750 - Lights cycle, won't boost battery

These machines always suffer with neglect and failing internal batteries. Try charging it up.

Now people use capacitive smart boosters that have no batteries, just a capacitor. The voltage in the battery is stored up in the unit over the space of about 5 minutes and then boosted back to the battery when you turn the key.

It is supposed to have a Lithium battery and they aren't supposed to drain, but my guess is that the control circuit monitors the battery and depletes it very slowly. When was it last charged? I trickle charge my boat batteries for 24 hours once a month. The same should apply for the booster.

https://www.google.com/search?q=Motomaster+Eliminator+Booster%2FJump+Pack+750

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What color is the liquid in a deep cycle marine battery supposed to be

To the best of my knowledge and experience the fluid should be clear, like water. The liquid is dilute sulphuric acid just as any lead-acid battery contains.
The deep cycle battery differs not in the electrolyte but in the construction, using different separators, thicker plates and deeper sediment trays.

If the fluid is discoloured (varying from light grey to black) it is likely to indicate a charge rate that is too high, over charging or physical vibration has disturbed sediment from the trays or from the plates or perhaps the battery has been tilted. Sometimes lightly discoloured fluid is of little detriment and will settle in time if left undisturbed. Sometimes it is a sign of a failing battery. Certainly it would be wise to check the charging system for the correct operation.
Apr 12, 2016 • Boating
0helpful
1answer

How do I know what battery to buy and how do I hook it up to my gulfstream coach

Above all, buy the best battery you can afford. You can't have too much battery! A standard sealed lead-acid battery is okay for the engine, but I would suggest an AGM battery for the coach. AGMs are longer lasting, charge quicker and can stand abuse. Make sure it is a deep cycle battery for a RV, NOT A MARINE TYPE DEEP CYCLE. Marine type deep-cycle batteries are designed to start engines along with their deep-cycle capabilities. They WILL NOT last in an RV.

Make sure the replacement is the same design i.e. + post on left (or whichever). Compare to original battery. Switch breaker off for coach. Replace battery. Hook up the RED cable to + FIRST, then black cable to ground. Switch power back on. You can charge it if you want to, but I never noticed any need.
Sep 29, 2014 • RVs
0helpful
1answer

Is a deep cycle battery the same as an RV/marine battery?

Deep cycle is typically for long duration loads like lights or a troling motor but not very high starting currents. Unless marked, an RV battery is a combination starting running battery. It may have a higher starting current than the deep cycle, but not as long of a run time.
Sep 21, 2014 • Boating
0helpful
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0helpful
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General inverter question. Running off of a car battery do I keep the car running or just juice the battery every now and then to keep the battery from dying:

Automotive batteries are designed for a quick draw of amperage (when starting) and then get constantly recharged using the alternator when driving. If you are using an auto battery for inversion, it will drain much quicker. Depending on how/where you are using it, you could charge the battery when a meter shows a voltage drop. Better recommendation would be to use a marine battery, which is a deep cycle battery. Deep cycle batteries last much longer between charges, as they are designed to have a constant draw (trolling motors, etc.).
Aug 27, 2011 • Garden
1helpful
1answer

I have a 1000 Watt Inverter, along with a regular car battery when the electricity goes out; Question: Can I use the 1000 Watt inverter and connect a 100 amp, deep cycle battery? I use regular house...

Yes, just be sure connections are heavy enough wire, and obviously the inverter uses 12 vdc input. Hook jumper wires positive to positive, negative to negative, on all 12 volt batteries. Deep cycle batteries will work better than car batteries. Just remember, when re-charging them, that they last longer when charged slowly, so don't use a high amp setting on charger and to monitor them closely, and do it in a well ventilated area, away from any ignition sources.
4helpful
1answer

Tech Question

Automotive batteries are usually adequate for small inverters, (< 500 Watts). When used in a car, we suggest you run the vehicle of your engine occasionally while operating your inverter. If you use the inverter while the engine is off, you should start the engine regularly and let it run to charge the battery. Deep Cycle (marine) batteries are best for larger inverters as they are designed for several hundred charge/discharge cycles. (Automotive batteries wear out much more quickly after heavy discharge).
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