Most aftermarket audio systems that require higher amps also have high output alternators . Better consider an alternator upgrade when it blows up.
What is the advantage of a higher amp alternator?
When a high output alternator is used, amps are supplied back to the battery when the vehicle is used, and with a high output alternator charging systems are able to generate more amps and supply vehicle with the amps required to keep the vehicle running .
Does amps 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 many amps is too much for alternator?
The size of an alternator will most likely increase the set amperage, too. High output alternators (often found on larger vehicles) can use between 200 to 350 amps . Smaller cars by comparison, such as a Ford Mustang, will only use about 100 amps with batteries that run at about 12 volts.
How do I choose an amp for my alternator?
Look for a diagram under or near your fuse box cover. It will have individual amperage numbers (sometimes along with volts) already set by the manufacturer. Add up those numbers to find what amperage your alternator needs to feed the car's electrical system. Verify this number with the part manufacturer, if necessary.
Can I replace alternator with higher amp?
You can never have too much amperage when it comes to alternators; therefore, you never have to worry about choosing an alternator with too high of a rated output. ... So high-output alternators will not harm your components or charging system, no matter how high you go with the amps.
How do you know if you need a bigger alternator?
When it comes to car audio, more power means more sound and vice versa. If you want your music to be big and loud with a huge bass response, you need a big amplifier with a big subwoofer—and a lot of power to run it.
How many amps does an alternator charge a battery at?
For a battery being charged by the car's alternator it can take an hour of driving to get it fully charged. Car batteries range from 40AH to 110AH, and alternators range from 45 amps to 200 amps .
How many volts should my alternator put out?
The voltage should read a minimum of 13 volts. A good alternator should put out between **13.5-14.5 volts . Stress test the alternator – Place a load on the alternator by turning on the headlights, the radio and the air conditioning.
How big of an alternator do I need for 3000 watts?
3000 watt / 12V is equal to 250A . A 250A alternator is needed to keep up with it. Since your engine would have to work just as hard as any portable 3KW generator to keep up with the amplifier, you would need a large fuel tank.
What is the highest output alternator?
The highest 12 volt produced by Prestolite Leece-Neville is the J-180 mount 4890JB and Pad Mount 4962PA both of which put out 320 amps. When it comes to 24 volt alternators there is one manufacturers that really stands out – C.E. Niehoff has their 500 Amp C-803D.
How many amps is 2000 watts alternator?
A 2000W audio system at charging voltage is drawing about 142 amps .
What is the best high output alternator brand?
- Editor's Pick: Powermaster Alternators. If you're thinking about adding any electrical accessories to your vehicle, you are going to want to consider upgrading your alternator from stock to a high-amp unit. ...
- Rare Electrical Alternators. ...
- Eagle Alternators. ...
- A-Team Performance Alternators. ...
- DB Electrical Alternators.
How many amps is a 1000 watt alternator?
As a general rule, you need about 100 amps of current for every 1000 watts of power generated. Add that to the base electrical requirements of your vehicle for the total amount of amp-hours you need for your system. Example: You plan to install a 2,000 watt amplifier.
What causes an alternator to put out High voltage?
If you are getting more than 2 volts above base voltage, most likely your alternator is over-charging the battery or the battery is faulty . Other potential problems are a faulty voltage regulator or a problem in the charging system wiring.
Do I need a bigger alternator for two batteries?
You can run two batteries on the same alternator . ... The alternator registers these two batteries as a single large battery and charges them the same. The batteries self-regulate the amount of current they take as they charge. This means that a single alternator is effective for multiple batteries.
