# Question: What Is The Highest Amp Alternator?

## Does AMP matter on alternator?

Amperage is basically the amount of electrical current your alternator can supply.

That is, your alternator will only supply the amount of amperage a particular component demands—and no more.

So high-output alternators will not harm your components or charging system, no matter how high you go with the amps..

## How big of an alternator do I need for 3000 watts?

3000 watts / 12V = 250A. You’d need a 250A alternator to keep up with it. You’d also need a much fuel tank, since your engine would have to work just as hard as any portable 3KW generator to keep up with the amp. Battery could would depend upon how often & how long you want to run this amp without the engine running.

## What happens if you put the wrong alternator in your car?

The wrong alternator mainly deals with how the alternator communicates with the PCM. It will still charge the battery but not properly communicate with PCM..

## Can I use an alternator to generate electricity?

Yes, alternators generate electricity most efficiently when driven by an internal combustion engine. Their application in a motor vehicle is common. Also as a stationary power source to charge batteries for off the grid power. But you may be considering a wind driven alternator for off the grid power.

## How many amps is a high output alternator?

200 ampsMost high-output alternators provide an output of about 200 amps. Excessive alternator output will kill the battery, but 200 amps is the optimum amount to handle the higher energy demand without killing the battery.

## Is a 120 amp alternator good?

If your vehicle’s electrical load exceeds the amperage—or maximum capacity—of your alternator, you’re asking for trouble. … To run 120 amps’ worth of goodies with an 80-amp alternator, it will have to run at 100-percent capacity—and draw reserve power from the battery—with no cool-down time.

## How do I know what amp to get for my alternator?

As a rule of thumb, 12-volt alternators use one horsepower for every 25 amps of output, or to put it another way, their ratio of output to horsepower load is 25:1. So, when selecting a new alternator, you need to size it for the limits of the capacity of its drive belt.

## Is a 160 amp alternator good?

Nev. The high amp alternator will give you more replacement juice if you are running any high amp load appliances. The 160 amp is known to be used on emergency vehicles that are at a standstill and still running lots of 12v power thru said appliances. … As was said, you can never have enough amps.

## Can you connect an alternator directly to a battery?

Just run a direct cable from the battery to the alternator. Make sure it’s at least 4 gauge cable. I would be carefull I believe that Nissan alternators are externaly regulated. If you try to run a cable directly to the alt you risk cooking the battery as well as frying the entire electrical system.

## At what RPM does a alternator charge?

Alternator may not generate sufficient charging voltage until alternator speed is greater than about 2000 RPM. Typically, alternators have their full output rated at 6000 RPM but can continue to spin up to 12,000 RPM or more without any additional increase in output.

## Who makes the best high output alternator?

ACDelco 335-1086 Professional HO Alternator. ACDelco is a well-known brand in the automotive industry. … DB Electrical AFD0012 High Output Alternator. … Chevy Chevrolet Truck Avalanche Silverado C 6.0L Alternator. … DB Electrical AFD0110 Aftermarket Alternator. … ACDelco 335-1196 Professional Alternator.

## How many watts can a 130 amp alternator handle?

1560 wattsCarAudio.com Veteran. 12 volt(approx) x 130 amps (which you never get all of them)=1560 watts. of course that would be if volts were a continuous 12 and amps at a continuous 130.

## Does it matter which direction an alternator spins?

The spinning makes three-phase alternating current that will be the same no matter which way it’s spinning. The diode pack (six diodes) turn it into direct current. The polarity will be correct as well. An alternator doesn’t care which way it turns to charge.

## What is the most powerful alternator?

— Remy International Inc., manufacturer and distributor of Delco Remy brand heavy-duty starters and alternators, has released its most powerful and efficient alternator yet to the aftermarket. The Delco Remy 55SI has a durable brushless design and is rated at 420 amps at 12 volts and up to 275 amps at 24 volts.

## Can a car alternator power a house?

First of all you need a steady source of rotational power in your home to turn the generator. If you don’t have that you are no-go. An alternator will put out perhaps 20–50 amps at 14 volts… that’s about 600 watts or so. … An alternator will put out perhaps 20–50 amps at 14 volts… that’s about 600 watts or so.

## Can an alternator be too powerful?

If you’re worried about a high amp alternator providing too much power to your ECU, or any other component in your electrical system, you don’t need to. The amperage rating on an alternator is basically just the amount of current that the unit is capable of putting out, not the amount it always puts out.

## Should I get a high output alternator?

High output alternator If your sound system demands more power than your stock alternator can supply, then you will benefit by upgrading to a higher output alternator. … A 250 or 300 ampere aftermarket high output alternator should provide enough power for all your car’s systems and your high-powered stereo too.

## Can a sound system mess up an alternator?

If you run the amp while the car is off, it could ruin your battery, but it shouldn’t hurt your alternator at all.